9-cis-Astaxanthin CAS 113085-04-4
| CAS No. | 113085-04-4 |
| Molecular Formula | C40H52O4 |
| Molecular Weight | 596.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 9-cis-Astaxanthin meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
9-cis-Astaxanthin (CAS 113085-04-4), molecular formula C40H52O4 and molecular weight 596.84 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 9-cis-Astaxanthin (C40H52O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 596.84 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C40H52O4 |
| Molecular Weight | 596.84 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | ≥90% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Related cis Standards
Recommended Standards
- (3|A,5|A,12|A)-24,24-Diphenyl-chol-23-ene-3,12-diol 3,12-Diacetoxy-bis-nor-cholanyldiphenylethylene 53608-88-1 NSC 82872 (CAS 53608-88-1)
- (3AR,4R,5R,6aS)-4-((S,E)-3-((tert-Butyldimethylsilyl)oxy)-5-phenylpent-1-en-1-yl)-2-oxohexahydro-2H-cyclopenta[b]furan-5-yl [1,1-biphenyl]-4-carboxylate (CAS 865087-09-8)
- (R, R)-Astaxanthin (CAS 60760-95-4)
- Valnemulin impurity 6 (CAS CATO-C4X-19996)
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