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Chemical substance record

CGS 15943

104615-18-1C13H8ClN5O285.694 g/mol

A member of the class of triazoloquinazolines that is [1,2,4]triazolo[1,5-c]quinazoline substited at positions 2, 5 and 9 by furan-2-yl, amino and chloro groups respectively. A potent antagonist at adenosine A1 and adenosine A2A receptors. — ChEBI

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Identity & molecular properties

Source-linked values
CAS number104615-18-1ChEBI ↗
Molecular formulaC13H8ClN5OChEBI ↗
Molar mass285.694 g/molChEBI ↗
Monoisotopic mass285.04174 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:131351ChEBI ↗

Cross-source molecular data

PubChem
Molar mass285.69 g/molPubChem ↗
Exact mass285.0417376 DaPubChem ↗
Computed XLogP2.5PubChem ↗
Topological polar surface area (Ų)82.2PubChem ↗
H-bond donors1PubChem ↗
H-bond acceptors5PubChem ↗
Rotatable bonds1PubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

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CGS 15943
9-chloro-2-(furan-2-yl)[1,2,4]triazolo[1,5-c]quinazolin-5-amine
MSJODEOZODDVGW-UHFFFAOYSA-N
Nc1nc2ccc(Cl)cc2c2nc(-c3ccco3)nn12
InChI=1S/C13H8ClN5O/c14-7-3-4-9-8(6-7)12-17-11(10-2-1-5-20-10)18-19(12)13(15)16-9/h1-6H,(H2,15,16)

Names & synonyms

9-chloro-2-(furan-2-yl)[1,2,4]triazolo[1,5-c]quinazolin-5-amine

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology

Roles recorded in ChEBI

central nervous system stimulantantineoplastic agentadenosine A2A receptor antagonistadenosine A1 receptor antagonist

Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.

Mass ↔ amount of substance

Calculated from sourced mass
Equivalent amount
0.00350025 mol

Uses 285.694 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
C
Carbon · 13 atoms
54.65%
N
Nitrogen · 5 atoms
24.51%
Cl
Chlorine · 1 atom
12.41%
O
Oxygen · 1 atom
5.60%
H
Hydrogen · 8 atoms
2.82%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations

Sources & record history

Checked 27 Sep 2026
EMBL-EBI ChEBI · CHEBI:131351

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

NCBI PubChem · CID 2690 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.