Chemical names · alphabetical database

Chemicals Starting with U

Find chemicals whose preferred name or source synonym starts with U. Browse the full list, check CAS numbers and formulas, or search within all 1,417 matching records.

Browse the database ↓ · Coverage and naming rules

1,417Matching chemical records

495With CAS cross-references

629ChEBI team annotated

Examples of chemicals starting with U

Urea57-13-6 · CH4N2O

Urem15687-27-1 · C13H18O2

Uloric144060-53-7 · C16H16N2O3S

Uracil66-22-8 · C4H4N2O2

Uropir19562-30-2 · C14H16N4O3

Uvadex298-81-7 · C12H8O4

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1,417 records · showing 1–100

Chemicals starting with U, page 1
Chemical & matching names	CAS number	Formula & mass	Annotation
256USource synonym · CHEBI:9919 Names & database links Source preferred name: Valacyclovir hydrochloride Matching names: 256-U-87 HYDROCHLORIDE; 256U; 256U87 HYDROCHLORIDE ChEBI record · PubChem search · CAS lookup	124832-27-5	C13H20N6O4.HCl360.802 g/mol	2-starThird-party annotation
USource synonym · CHEBI:30000 Names & database links Source preferred name: L-selenocysteine residue Matching names: U ChEBI record	Not supplied	C3H5NOSe150.039 g/mol	3-starChEBI team
1380USource synonym · CHEBI:751684 Names & database links Source preferred name: baquiloprim Matching names: 1380U ChEBI record	Not supplied	C17H20N6308.389 g/mol	2-starThird-party annotation
U 0521Preferred name · CHEBI:79967 Names & database links Source preferred name: U 0521 Matching names: U 0521 ChEBI record · PubChem search · CAS lookup	5466-89-7	C10H12O3180.203 g/mol	2-starThird-party annotation
U 101440ESource synonym · CHEBI:5971 Names & database links Source preferred name: irinotecan hydrochloride (anhydrous) Matching names: U 101440E ChEBI record · PubChem search · CAS lookup	100286-90-6	C33H38N4O6.HCl623.15 g/mol	3-starChEBI team
U 10997Source synonym · CHEBI:34849 Names & database links Source preferred name: mibolerone Matching names: U 10997; U-10,997 ChEBI record · PubChem search · CAS lookup	3704-09-4	C20H30O2302.458 g/mol	3-starChEBI team
U 12062Source synonym · CHEBI:15551 Names & database links Source preferred name: prostaglandin E2 Matching names: U 12062; U-12,062; U-12062 ChEBI record · PubChem search · CAS lookup	363-24-6	C20H32O5352.471 g/mol	3-starChEBI team
U 12927Source synonym · CHEBI:82090 Names & database links Source preferred name: carbanolate Matching names: U 12927; U-17004 ChEBI record · PubChem search · CAS lookup	671-04-5	C10H12ClNO2213.664 g/mol	3-starChEBI team
U 14583Source synonym · CHEBI:15553 Names & database links Source preferred name: prostaglandin F2alpha Matching names: U 14583 ChEBI record · PubChem search · CAS lookup	551-11-1	C20H34O5354.487 g/mol	3-starChEBI team
U 15167Source synonym · CHEBI:44504 Names & database links Source preferred name: nogalamycin Matching names: U 15167; U-15167 ChEBI record · PubChem search · CAS lookup	1404-15-5	C39H49NO16787.812 g/mol	3-starChEBI team
U 17835Source synonym · CHEBI:9613 Names & database links Source preferred name: tolazamide Matching names: U 17835; U-17835 ChEBI record · PubChem search · CAS lookup	1156-19-0	C14H21N3O3S311.407 g/mol	3-starChEBI team
U 18,400AESource synonym · CHEBI:9217 Names & database links Source preferred name: spectinomycin hydrochloride hydrate Matching names: U 18,400AE; U-18,409AE ChEBI record · PubChem search · CAS lookup	22189-32-8	C14H24N2O7.5H2O.2HCl495.35 g/mol	3-starChEBI team
U 21002Source synonym · CHEBI:134499 Names & database links Source preferred name: 13,14-dihydro-15-oxoprostaglandin E1 Matching names: U 21002 ChEBI record · PubChem search · CAS lookup	5094-14-4	C20H34O5354.487 g/mol	3-starChEBI team
U 23643Source synonym · CHEBI:184373 Names & database links Source preferred name: cremeomycin Matching names: U 23643; U-23,643; U-23643 ChEBI record · PubChem search · CAS lookup	11050-22-9	C8H6N2O4194.146 g/mol	3-starChEBI team
U 24729ASource synonym · CHEBI:756335 Names & database links Source preferred name: mirincamycin hydrochloride Matching names: U 24729A; U-24,729A; U-24729A ChEBI record	Not supplied	HCl.C19H35ClN2O5S475.479 g/mol	2-starThird-party annotation
U 24973ASource synonym · CHEBI:31815 Names & database links Source preferred name: Melitracen hydrochloride Matching names: U 24,973A; U 24973A; U-24,973A; U-24973A ChEBI record · PubChem search · CAS lookup	10563-70-9	C21H25N.HCl327.899 g/mol	2-starThird-party annotation
U 28288DSource synonym · CHEBI:5556 Names & database links Source preferred name: guanadrel sulfate Matching names: U 28288D; U-28,288D ChEBI record · PubChem search · CAS lookup	22195-34-2	2C10H19N3O2.H2O4S524.641 g/mol	3-starChEBI team
U 42126Source synonym · CHEBI:74545 Names & database links Source preferred name: acivicin Matching names: U 42126; U-42,126 ChEBI record · PubChem search · CAS lookup	42228-92-2	C5H7ClN2O3178.575 g/mol	3-starChEBI team
U 42585ESource synonym · CHEBI:135333 Names & database links Source preferred name: lodoxamide Matching names: U 42585E; U-42,585E ChEBI record · PubChem search · CAS lookup	53882-12-5	C11H6ClN3O6311.637 g/mol	2-starThird-party annotation
U 46785Source synonym · CHEBI:165325 Names & database links Source preferred name: 9-Deoxy-9-methylene-16,16-dimethyl -PGE2 Matching names: U 46,785; U 46785; U-46,785; U-46785 ChEBI record · PubChem search · CAS lookup	61263-35-2	C23H38O4378.553 g/mol	2-starThird-party annotation
U 4845Source synonym · CHEBI:5102 Names & database links Source preferred name: fludrocortisone acetate Matching names: U 4845 ChEBI record · PubChem search · CAS lookup	514-36-3	C23H31FO6422.493 g/mol	3-starChEBI team
U 74006Source synonym · CHEBI:135853 Names & database links Source preferred name: tirilazad Matching names: U 74006; U-74006 ChEBI record · PubChem search · CAS lookup	110101-66-1	C38H52N6O2624.874 g/mol	2-starThird-party annotation
U 88943ESource synonym · CHEBI:756690 Names & database links Source preferred name: artilide fumarate Matching names: U 88943E; U-88943E ChEBI record	Not supplied	C19H34N2O3S.C19H34N2O3S.C4H4O4857.19 g/mol	2-starThird-party annotation
U-0949Source synonym · CHEBI:750401 Names & database links Source preferred name: sepranolone Matching names: U-0949; UC-1010; UC1010 ChEBI record	Not supplied	C21H34O2318.501 g/mol	2-starThird-party annotation
U-100592Source synonym · CHEBI:748214 Names & database links Source preferred name: eperezolid Matching names: U-100,592; U-100592 ChEBI record	Not supplied	C18H23FN4O5394.403 g/mol	2-starThird-party annotation
U-101,440ESource synonym · CHEBI:90881 Names & database links Source preferred name: irinotecan hydrochloride hydrate Matching names: U-101,440E ChEBI record · PubChem search · CAS lookup	136572-09-3	C33H38N4O6.3H2O.HCl677.195 g/mol	3-starChEBI team
U-101387Source synonym · CHEBI:748306 Names & database links Source preferred name: sonepiprazole Matching names: U-101387 ChEBI record	Not supplied	C21H27N3O3S401.532 g/mol	2-starThird-party annotation
U-108342ESource synonym · CHEBI:756111 Names & database links Source preferred name: trecetilide fumarate Matching names: U-108342E ChEBI record	Not supplied	C21H37FN2O3S.C21H37FN2O3S.C4H4O4949.278 g/mol	2-starThird-party annotation
U-11000ASource synonym · CHEBI:34881 Names & database links Source preferred name: Nafoxidine Matching names: U-11000A ChEBI record · PubChem search · CAS lookup	1845-11-0	C29H31NO2425.572 g/mol	2-starThird-party annotation
U-11100Source synonym · CHEBI:752194 Names & database links Source preferred name: nafoxidine hydrochloride Matching names: U-11100; U-11100A ChEBI record	Not supplied	HCl.C29H31NO2462.033 g/mol	2-starThird-party annotation
U-12019ESource synonym · CHEBI:756311 Names & database links Source preferred name: methylprednisolone sodium phosphate Matching names: U-12,019E; U-12019E ChEBI record	Not supplied	Na.C22H29O8P.Na498.42 g/mol	2-starThird-party annotation
U-12898Source synonym · CHEBI:81193 Names & database links Source preferred name: Bluensomycin Matching names: U-12898 ChEBI record · PubChem search · CAS lookup	11011-72-6	C21H39N5O14585.564 g/mol	2-starThird-party annotation
U-1363Source synonym · CHEBI:81896 Names & database links Source preferred name: Diphenadione Matching names: U-1363 ChEBI record · PubChem search · CAS lookup	82-66-6	C23H16O3340.378 g/mol	2-starThird-party annotation
U-14583ESource synonym · CHEBI:31502 Names & database links Source preferred name: Dinoprost tromethamine Matching names: U-14,583E; U-14-583E; U-14583E ChEBI record · PubChem search · CAS lookup	38562-01-5	C20H34O5.C4H11NO3475.623 g/mol	2-starThird-party annotation
U-15614Source synonym · CHEBI:748886 Names & database links Source preferred name: trestolone acetate Matching names: U-15,614; U-15614 ChEBI record	Not supplied	C21H30O3330.468 g/mol	2-starThird-party annotation
U-15965Source synonym · CHEBI:756193 Names & database links Source preferred name: lydimycin Matching names: U-15,965; U-15965 ChEBI record	Not supplied	C10H14N2O3S242.3 g/mol	2-starThird-party annotation
U-18409AESource synonym · CHEBI:756153 Names & database links Source preferred name: spectinomycin hydrochloride Matching names: U-18409AE ChEBI record	Not supplied	H2O.C14H24N2O7.HCl.HCl.H2O.H2O.H2O.H2O495.35 g/mol	2-starThird-party annotation
U-19718Source synonym · CHEBI:224257 Names & database links Source preferred name: Kalafungin Matching names: U-19,718; U-19718 ChEBI record	Not supplied	C16H12O6300.266 g/mol	2-starThird-party annotation
U-19920ASource synonym · CHEBI:749710 Names & database links Source preferred name: cytarabine hydrochloride Matching names: U-19920A ChEBI record	Not supplied	HCl.C9H13N3O5279.68 g/mol	2-starThird-party annotation
U-20661Source synonym · CHEBI:751483 Names & database links Source preferred name: steffimycin Matching names: U-20,661; U-20661 ChEBI record	Not supplied	C28H30O13574.535 g/mol	2-starThird-party annotation
U-22020Source synonym · CHEBI:750775 Names & database links Source preferred name: indoxole Matching names: U-22020 ChEBI record	Not supplied	C22H19NO2329.399 g/mol	2-starThird-party annotation
U-22550Source synonym · CHEBI:135356 Names & database links Source preferred name: calusterone Matching names: U-22,550; U-22550 ChEBI record · PubChem search · CAS lookup	17021-26-0	C21H32O2316.485 g/mol	2-starThird-party annotation
U-22559ASource synonym · CHEBI:756403 Names & database links Source preferred name: dexoxadrol hydrochloride Matching names: U-22,559A; U-22559A ChEBI record	Not supplied	HCl.C20H23NO2345.87 g/mol	2-starThird-party annotation
U-26225ASource synonym · CHEBI:9648 Names & database links Source preferred name: tramadol Matching names: U-26225A ChEBI record · PubChem search · CAS lookup	27203-92-5	C16H25NO2263.375 g/mol	3-starChEBI team
U-28774Source synonym · CHEBI:135556 Names & database links Source preferred name: ketazolam Matching names: U-28,774; U-28774; Unakalm ChEBI record · PubChem search · CAS lookup	27223-35-4	C20H17ClN2O3368.82 g/mol	2-starThird-party annotation
U-29479Source synonym · CHEBI:207862 Names & database links Source preferred name: Scopafungin Matching names: U-29,479; U-29479 ChEBI record	Not supplied	C59H103N3O181142.476 g/mol	2-starThird-party annotation
U-3096Source synonym · CHEBI:5812 Names & database links Source preferred name: Hydroxyprogesterone caproate Matching names: U-3096 ChEBI record · PubChem search · CAS lookup	630-56-8	C27H40O4428.613 g/mol	2-starThird-party annotation
U-32070ESource synonym · CHEBI:181423 Names & database links Source preferred name: Calcifediol monohydrate Matching names: U-32,070E; U-32070E ChEBI record · PubChem search · CAS lookup	63283-36-3	C27H44O2.H2O418.662 g/mol	2-starThird-party annotation
U-36384Source synonym · CHEBI:191260 Names & database links Source preferred name: 15-methyl-15R-PGF2alpha methyl ester Matching names: U-36,384; U-36384 ChEBI record · PubChem search · CAS lookup	35700-21-1	C22H38O5382.541 g/mol	2-starThird-party annotation
U-37026Source synonym · CHEBI:135626 Names & database links Source preferred name: gemeprost Matching names: U-37026 ChEBI record · PubChem search · CAS lookup	64318-79-2	C23H38O5394.552 g/mol	2-starThird-party annotation
U-41123FSource synonym · CHEBI:752148 Names & database links Source preferred name: adinazolam mesylate Matching names: U-41,123F; U-41123F ChEBI record	Not supplied	CH4O3S.C19H18ClN5447.948 g/mol	2-starThird-party annotation
U-42585ESource synonym · CHEBI:756272 Names & database links Source preferred name: lodoxamide tromethamine Matching names: U-42585E ChEBI record	Not supplied	C4H11NO3.C11H6ClN3O6.C4H11NO3553.909 g/mol	2-starThird-party annotation
U-42718Source synonym · CHEBI:752468 Names & database links Source preferred name: lodoxamide ethyl Matching names: U-42,718; U-42718 ChEBI record	Not supplied	C15H14ClN3O6367.745 g/mol	2-starThird-party annotation
U-42842Source synonym · CHEBI:184592 Names & database links Source preferred name: 15-methyl-15R-PGE2 Matching names: U 42,842; U-42842 ChEBI record · PubChem search · CAS lookup	55028-70-1	C21H34O5366.498 g/mol	2-starThird-party annotation
U-44069Preferred name · CHEBI:190660 Names & database links Source preferred name: U-44069 Matching names: U-44069 ChEBI record · PubChem search · CAS lookup	56985-32-1	C21H34O4350.499 g/mol	2-starThird-party annotation
U-44590Preferred name · CHEBI:223864 Names & database links Source preferred name: U-44590 Matching names: U-44590 ChEBI record	Not supplied	C9H15N3O5245.235 g/mol	2-starThird-party annotation
17-U-46619Preferred name · CHEBI:189875 Names & database links Source preferred name: 17-U-46619 Matching names: 17-U-46619 ChEBI record	Not supplied	C21H32O4348.483 g/mol	2-starThird-party annotation
U-47700-d6Preferred name · CHEBI:194291 Names & database links Source preferred name: U-47700-d6 Matching names: U-47700-d6 ChEBI record	Not supplied	C16H16Cl2D6N2O335.308 g/mol	2-starThird-party annotation
U-480Source synonym · CHEBI:748158 Names & database links Source preferred name: sutezolid Matching names: U 100480; U-100480; U-480; U100480 ChEBI record	Not supplied	C16H20FN3O3S353.419 g/mol	2-starThird-party annotation
U-53059Source synonym · CHEBI:748010 Names & database links Source preferred name: itazigrel Matching names: U-53,059; U-53059 ChEBI record	Not supplied	C18H14F3NO2S365.376 g/mol	2-starThird-party annotation
U-54461Source synonym · CHEBI:31307 Names & database links Source preferred name: Bropirimine Matching names: U-54,461; U-54461 ChEBI record · PubChem search · CAS lookup	56741-95-8	C10H8BrN3O266.098 g/mol	2-starThird-party annotation
U-54555Source synonym · CHEBI:752293 Names & database links Source preferred name: metronidazole phosphate Matching names: U-54,555; U-54555 ChEBI record	Not supplied	C6H10N3O6P251.135 g/mol	2-starThird-party annotation
U-54669FSource synonym · CHEBI:752647 Names & database links Source preferred name: losulazine hydrochloride Matching names: U-54,669F; U-54669F ChEBI record	Not supplied	HCl.C27H22F4N4O3S595.018 g/mol	2-starThird-party annotation
U-56321Source synonym · CHEBI:748206 Names & database links Source preferred name: timefurone Matching names: U-56,321; U-56321 ChEBI record	Not supplied	C15H14O5S306.339 g/mol	2-starThird-party annotation
U-6013Source synonym · CHEBI:34517 Names & database links Source preferred name: 9alpha-Fluoro-11beta,17alpha,21-trihydroxypregna-1,4-diene-3,20-dione 21-acetate Matching names: U-6013 ChEBI record · PubChem search · CAS lookup	338-98-7	C23H29FO6420.477 g/mol	2-starThird-party annotation
U-60257Source synonym · CHEBI:751301 Names & database links Source preferred name: piriprost Matching names: U-60,257; U-60257 ChEBI record	Not supplied	C26H35NO4425.569 g/mol	2-starThird-party annotation
U-60257BSource synonym · CHEBI:752335 Names & database links Source preferred name: piriprost potassium Matching names: U-60,257B; U-60257B ChEBI record	Not supplied	K.C26H34NO4463.659 g/mol	2-starThird-party annotation
U-61431FSource synonym · CHEBI:752040 Names & database links Source preferred name: ciprostene calcium Matching names: U-61,431F; U-61431F ChEBI record	Not supplied	C22H35O4.C22H35O4.Ca767.114 g/mol	2-starThird-party annotation
U-62162Preferred name · CHEBI:223294 Names & database links Source preferred name: U-62162 Matching names: U-62162 ChEBI record	Not supplied	C23H33NO6419.518 g/mol	2-starThird-party annotation
U-63196Source synonym · CHEBI:135868 Names & database links Source preferred name: cefpimizole Matching names: U-63,196; U-63196 ChEBI record · PubChem search · CAS lookup	84880-03-5	C28H26N6O10S2670.682 g/mol	2-starThird-party annotation
U-63366FSource synonym · CHEBI:756053 Names & database links Source preferred name: trospectomycin sulfate Matching names: U-63,366F; U-63366F ChEBI record	Not supplied	H2O.H2O4S.C17H30N2O7.H2O.H2O.H2O.H2O562.588 g/mol	2-starThird-party annotation
U-63557ASource synonym · CHEBI:756392 Names & database links Source preferred name: furegrelate sodium Matching names: U-63,557A; U-63557A ChEBI record	Not supplied	H2O.C15H10NO3.Na293.254 g/mol	2-starThird-party annotation
U-64279ASource synonym · CHEBI:752031 Names & database links Source preferred name: ceftiofur hydrochloride Matching names: U-64279A ChEBI record	Not supplied	HCl.C19H17N5O7S3560.035 g/mol	2-starThird-party annotation
U-64279ESource synonym · CHEBI:31383 Names & database links Source preferred name: Ceftiofur sodium Matching names: U-64279E ChEBI record · PubChem search · CAS lookup	104010-37-9	C19H16N5O7S3.Na545.556 g/mol	2-starThird-party annotation
U-66858Source synonym · CHEBI:748654 Names & database links Source preferred name: bunaprolast Matching names: U-66858 ChEBI record	Not supplied	C17H20O3272.344 g/mol	2-starThird-party annotation
U-67590ASource synonym · CHEBI:135864 Names & database links Source preferred name: methylprednisolone suleptanate Matching names: U-67,590A; U-67590A ChEBI record · PubChem search · CAS lookup	90350-40-6	C33H48NO10S.Na673.801 g/mol	3-starChEBI team
U-68553BSource synonym · CHEBI:755048 Names & database links Source preferred name: alentemol hydrobromide Matching names: U-68,553B; U-68553B ChEBI record	Not supplied	HBr.C19H25NO364.327 g/mol	2-starThird-party annotation
U-69689ESource synonym · CHEBI:756174 Names & database links Source preferred name: fertirelin acetate Matching names: U-69689E ChEBI record	Not supplied	C2H4O2.C55H76N16O121213.365 g/mol	2-starThird-party annotation
U-6987Source synonym · CHEBI:135118 Names & database links Source preferred name: carbutamide Matching names: U-6987 ChEBI record · PubChem search · CAS lookup	339-43-5	C11H17N3O3S271.342 g/mol	2-starThird-party annotation
U-70226ESource synonym · CHEBI:5857 Names & database links Source preferred name: Ibutilide fumarate Matching names: U-70226E ChEBI record · PubChem search · CAS lookup	122647-32-9	2C20H36N2O3S.C4H4O4885.244 g/mol	2-starThird-party annotation
U-71038Source synonym · CHEBI:750194 Names & database links Source preferred name: ditekiren Matching names: U-71038 ChEBI record	Not supplied	C50H75N9O8930.205 g/mol	2-starThird-party annotation
U-72107ASource synonym · CHEBI:8229 Names & database links Source preferred name: Pioglitazone hydrochloride Matching names: U-72107A ChEBI record · PubChem search · CAS lookup	112529-15-4	C19H20N2O3S.HCl392.908 g/mol	2-starThird-party annotation
U-73122Preferred name · CHEBI:90690 Names & database links Source preferred name: U-73122 Matching names: U-73122; U 73122; U-73,122 ChEBI record · PubChem search · CAS lookup	112648-68-7	C29H40N2O3464.65 g/mol	3-starChEBI team
U-74006FSource synonym · CHEBI:32233 Names & database links Source preferred name: Tirilazad mesylate Matching names: U-74006F ChEBI record · PubChem search · CAS lookup	110101-67-2	C38H52N6O2.CH4O3S720.981 g/mol	2-starThird-party annotation
U-7524Source synonym · CHEBI:40823 Names & database links Source preferred name: (aminooxy)acetic acid Matching names: U-7524 ChEBI record · PubChem search · CAS lookup	645-88-5	C2H5NO391.066 g/mol	3-starChEBI team
U-75630Source synonym · CHEBI:31685 Names & database links Source preferred name: Ibuprofen piconol Matching names: U-75630 ChEBI record · PubChem search · CAS lookup	112017-99-9 64622-45-3	C19H23NO2297.398 g/mol	2-starThird-party annotation
u-76074Preferred name · CHEBI:759808 Names & database links Source preferred name: u-76074 Matching names: u-76074; U-76074 ChEBI record	Not supplied	C34H31N5O4573.653 g/mol	2-starThird-party annotation
U-77,802Preferred name · CHEBI:224764 Names & database links Source preferred name: U-77,802 Matching names: U-77,802 ChEBI record	Not supplied	C34H48N2O17S2820.889 g/mol	2-starThird-party annotation
U-77,803Preferred name · CHEBI:224757 Names & database links Source preferred name: U-77,803 Matching names: U-77,803 ChEBI record	Not supplied	C33H46N2O17S2806.862 g/mol	2-starThird-party annotation
U-77863Preferred name · CHEBI:204123 Names & database links Source preferred name: U-77863 Matching names: U-77863 ChEBI record	Not supplied	C10H11NO161.204 g/mol	2-starThird-party annotation
U-77864Preferred name · CHEBI:212981 Names & database links Source preferred name: U-77864 Matching names: U-77864 ChEBI record	Not supplied	C10H13NO2179.219 g/mol	2-starThird-party annotation
U-78,938Source synonym · CHEBI:85605 Names & database links Source preferred name: dexormaplatin Matching names: U-78,938 ChEBI record · PubChem search · CAS lookup	96392-96-0	C6H14Cl4N2Pt451.082 g/mol	3-starChEBI team
U-7800Source synonym · CHEBI:34474 Names & database links Source preferred name: 6alpha-Fluoroprednisolone Matching names: U-7800 ChEBI record · PubChem search · CAS lookup	53-34-9	C21H27FO5378.44 g/mol	2-starThird-party annotation
U-78875Source synonym · CHEBI:747980 Names & database links Source preferred name: panadiplon Matching names: U-78875 ChEBI record	Not supplied	C18H17N5O2335.367 g/mol	2-starThird-party annotation
U-80244Source synonym · CHEBI:748119 Names & database links Source preferred name: carzelesin Matching names: U-80244 ChEBI record	Not supplied	C41H37ClN6O5729.237 g/mol	2-starThird-party annotation
U-8471Source synonym · CHEBI:34829 Names & database links Source preferred name: Medrysone Matching names: U-8471 ChEBI record · PubChem search · CAS lookup	2668-66-8	C22H32O3344.495 g/mol	2-starThird-party annotation
U-87201ESource synonym · CHEBI:748053 Names & database links Source preferred name: atevirdine mesylate Matching names: U-87201E ChEBI record	Not supplied	C21H25N5O2379.464 g/mol	2-starThird-party annotation
U-92016APreferred name · CHEBI:232976 Names & database links Source preferred name: U-92016A Matching names: U-92016A ChEBI record · PubChem search · CAS lookup	136924-88-4	C19H25N3295.43 g/mol	2-starThird-party annotation
U-935Source synonym · CHEBI:750610 Names & database links Source preferred name: amiquinsin hydrochloride Matching names: U-935 ChEBI record	Not supplied	HCl.C11H12N2O2240.69 g/mol	2-starThird-party annotation
U-95376Source synonym · CHEBI:188832 Names & database links Source preferred name: premafloxacin Matching names: U-95376 ChEBI record · PubChem search · CAS lookup	143383-65-7	C21H26FN3O4403.454 g/mol	2-starThird-party annotation

About this U chemical list

What does “starting with U” mean?

The preferred name or a source-listed synonym begins with U, ignoring leading punctuation and numbers. Alphabetic prefixes such as D-, L-, N-, R-, S- and tert- are retained. A record appears once per letter, with its matching names grouped together. The same record can appear under another letter when it has a different name. Source synonyms can include trade names, abbreviations and names in other languages; they are labelled separately from preferred names.

How complete is the database?

This list includes every matching non-obsolete 2-star and 3-star entry with a formula, structure or valid CAS cross-reference in the downloaded ChEBI 256 snapshot. It excludes abstract classes without these substance identifiers. It is complete for that stated scope, not a list of every chemical known worldwide. ChEBI IDs define the records; related chemical forms are not merged solely because a CAS reference overlaps.

What do the data labels mean?

3-star entries are manually annotated by the ChEBI team; 2-star entries are annotated by third parties. “Not supplied” means that the source has no value for the field. CAS numbers are source cross-references with a valid checksum, not independent CAS verification. Formulas and masses retain source notation; the existing PubCAS profiles retain their documented editorial corrections. Search and lookup links may have no matching result.

Source: ChEBI downloads, EMBL-EBI · release 256 · retrieved 2026-10-11 · CC BY 4.0. Download coverage and source manifest. For handling or purchasing a chemical, verify the exact form and consult the supplier’s current SDS.