
Chemical identity
Vitamin K1 Chromenol Impurity
CAS 34044-00-3 · C31H46O2
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-30875 |
|---|---|
| PubChem CID | 3080777 |
| Name | Vitamin K1 Chromenol Impurity |
| CAS RN | 34044-00-3 |
| Molecular formula | C31H46O2 |
| Molecular weight | 450.71 g/mol |
| IUPAC name | 2,5-dimethyl-2-(4,8,12-trimethyltridecyl)-2H-benzo[h]chromen-6-ol |
| InChIKey | IXEMAIWRPCYZEQ-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 3 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 3 |
| Ring count | 3 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | CC1=C(C2=CC=CC=C2C3=C1C=CC(O3)(C)CCCC(C)CCCC(C)CCCC(C)C)O |
|---|---|
| InChI | Not listed |
| Formula from structure | C31H46O2 |
| Molecular weight from structure | 450.71 g/mol |
03Stereochemistry
The published structure contains 0 defined and 3 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
2 recordsThese records have the same connectivity, molecular formula and protonation layer, but a different complete InChIKey stereochemical layer. Only separately structure-linked records are shown.

![Two-dimensional chemical structure of 2,5-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]benzo[h]chromen-6-ol](/structures/pubchem/12696338-300.png)
2,5-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]benzo[h]chromen-6-ol
CAS not listed
IXEMAIWRPCYZEQ-YYBLMVOESA-N
2 defined, 1 unassigned centres
Scope: The mathematical 2^n value is only an upper bound. Symmetry and other stereogenic elements can change the number of distinct stereoisomers. A hypothetical configuration is not published as a compound record without a verified structure identity.
04India status for this compound
These results apply only to this exact compound name and CAS number. Confirm the current official instruments before making a regulatory decision.
| NDPS / RCS | NO EXACT MATCH FOUND | CAS 34044-00-3 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 34044-00-3 has no exact match in the reviewed SCOMET list. |
| Review date | 2026-08-01 | Recheck the current official instruments for the material, concentration, activity and date in question. |
- Narcotic Drugs and Psychotropic Substances Act, 1985, ScheduleDepartment of Revenue, Government of India · reviewed 2026-08-01
- Controlled-substances notifications and amendmentsDepartment of Revenue, Government of India · reviewed 2026-08-01
- Appendix 3, SCOMET ListDirectorate General of Foreign Trade, Government of India · reviewed 2026-08-01
05Names and relationships
Associated parent compound
No parent compound is listed.
Other names
- Vitamin K1 chromenol
- 34044-00-3
- RefChem:194537
- Phyllochromenol
- 19274-66-9
- 2,5-dimethyl-2-(4,8,12-trimethyltridecyl)benzo[h]chromen-6-ol
- 2,5-Dimethyl-2-(4,8,12-trimethyltridecyl)-2H-benzo[h]chromen-6-ol
- 2H-Naphtho[1,2-b]pyran-6-ol, 2,5-dimethyl-2-(4,8,12-trimethyltridecyl)-
- 2H-Naphtho(1,2-b)pyran-6-ol, 2,5-dimethyl-2-(4,8,12-trimethyltridecyl)- (VAN)
- Vitamin K1 Impurity 31
- Vitamin K1 Chromenol Impurity
- SCHEMBL2635649
06Documented history
Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.
No verified discovery, first report, occurrence, use or issue event is currently available for this identity.
07Sources
- S01PubChem compound record, CID 3080777
Names and machine-readable chemical identity properties.
- S02NCBI website and molecular data policies
Reuse policy for NCBI molecular data. This page does not reproduce vendor descriptions or contributed narrative text.
- S03Narcotic Drugs and Psychotropic Substances Act, 1985, Schedule
Department of Revenue, Government of India. Used for the exact-compound India status shown on this page.
- S04Controlled-substances notifications and amendments
Department of Revenue, Government of India. Used for the exact-compound India status shown on this page.
- S05Appendix 3, SCOMET List
Directorate General of Foreign Trade, Government of India. Used for the exact-compound India status shown on this page.
