Vitamin A Impurity 19 CAS 29443-87-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 29443-87-6 |
| Molecular Formula | C22H32O2 |
| Molecular Weight | 328.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Vitamin A Impurity 19 (CAS 29443-87-6) pharmacopoeial impurity standards reference standard. Molecular formula: C22H32O2. Molecular weight: 328.49 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C22H32O2 |
| Molecular Weight | 328.49 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
Related Vitamin Standards
- Vitamin A Impurity 16 (CAS CATO-C4X-218716)
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- Vitamin K1 Impurity 54 (CAS CATO-C4X-220754)
- Vitamin A-d5 Acetate (CAS 1217219-62-9)
- Vitamin K1 Impurity 19 (CAS 2580987-82-0)
- Vitamin K1 Impurity 20 (CAS CATO-C4X-220720)
- Vitamin K1 Impurity 60 (CAS 2580987-83-1)
Recommended Standards
- Prostene diastereomers (CAS CATO-C4X-220510)
- 13-cis Retinol Acetate (CAS 34356-31-5)
- Promestriene Impurity 15 (CAS CATO-C4X-220515)
- Moxifloxacin Impurity 55 (CAS 53764-99-1)
- Luliconazole impurity 23 (CAS CATO-C4X-285323)
- N-[(R)-6-Carboxy-N2-[N-(1-oxoheptyl)-D-γ-glutamyl]-L-lysyl]-D-alanine (CAS 79335-75-4)
- 1-(2-Aminoethyl)-4-methylcycloheptan-1-ol (CAS 1542087-39-7)
- (3S,5S)-3,5-Diaminohexanoic acid (CAS 34281-55-5)
- 1-(3,3,3-trifluoropropyl)piperidin-4-amine,2HCl (CAS 1431965-96-6)
- Tirzepatide Impurity 61 (CAS CATO-C4X-324061)
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