(R,R,R)-alpha-tocopherol
An α-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of α-tocopherol, it is found particularly in sunflower and olive oils. — ChEBI
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Identity & molecular properties
Source-linked values| CAS number | 59-02-9 | ChEBI ↗ |
| Molecular formula | C29H50O2 | ChEBI ↗ |
| Molar mass | 430.717 g/mol | ChEBI ↗ |
| Monoisotopic mass | 430.38108 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:18145 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 430.7 g/mol | PubChem ↗ |
| Exact mass | 430.381080833 Da | PubChem ↗ |
| Computed XLogP | 10.7 | PubChem ↗ |
| Topological polar surface area (Ų) | 29.5 | PubChem ↗ |
| H-bond donors | 1 | PubChem ↗ |
| H-bond acceptors | 2 | PubChem ↗ |
| Rotatable bonds | 12 | PubChem ↗ |
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
Copy any identifier(R,R,R)-alpha-tocopherol(2R)-2,5,7,8-tetramethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-3,4-dihydro-2H-chromen-6-olGVJHHUAWPYXKBD-IEOSBIPESA-NCc1c(C)c2c(c(C)c1O)CC[C@@](C)(CCC[C@H](C)CCC[C@H](C)CCCC(C)C)O2InChI=1S/C29H50O2/c1-20(2)12-9-13-21(3)14-10-15-22(4)16-11-18-29(8)19-17-26-25(7)27(30)23(5)24(6)28(26)31-29/h20-22,30H,9-19H2,1-8H3/t21-,22-,29-/m1/s1Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
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 massUses 430.717 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCHOCalculated 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 associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
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.