Vitamin A Impurity 24 CAS 1224-78-8
Purity ≥90%In StockPharmacopoeial Impurity Standards
| CAS No. | 1224-78-8 |
| Molecular Formula | C20H28 |
| Molecular Weight | 268.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Vitamin A Impurity 24 (CAS 1224-78-8), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H28. Molecular weight: 268.44 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H28 |
| Molecular Weight | 268.44 g/mol |
| Purity | ≥90% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Vitamin Standards
- Vitamin A Impurity B(Mixture of E/Z Isomers) (CAS CATO-C1305354)
- Vitamin A Impurity 28 (CAS CATO-C4X-218728)
- Vitamin A impurity 5(Mixture of E/Z Isomers) (CAS CATO-C4X-25505-SS)
- Vitamin K1 Impurity 49 (CAS 3689-69-8)
- Vitamin K2 Impurity 13 (CAS 587888-42-4)
- Vitamin K1 Impurity 41 (CAS 1778736-16-5)
- Vitamin K1 Impurity 42 (CAS 326475-12-1)
- Vitamin K1 Impurity 59 (CAS CATO-C4X-220759)
Recommended Standards
- Biadamantylidene (CAS 30541-56-1)
- 4-Bromo-2-chloro-5,7-difluorobenzo[d]oxazole (CAS 2852767-58-7)
- Pitolisant impurity 22 (CAS 110129-10-7)
- Ketoprofen EP Impurity J (CAS 1785759-59-2)
- Azelnidipine Impurity 9 (CAS CATO-C4X-10409)
- (2S)-2-[(4S,5R)-4,5-Dihydro-4,5-diphenyl-2-oxazolyl]-1-(diphenylphosphino)piperidine (CAS 2757084-49-2)
- Cyclopentane (CAS 287-92-3)
- 2-(4-Chlorophenyl)thiazol-4-amine (CAS 123970-68-3)
- 2-Hydroxy-3-methoxypyridine (CAS 20928-63-6)
- Semaglutide Impurity 152 xTFA (CAS CATO-C4X-2226152)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com