Vitamin impurity 55 CAS 38987-92-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 38987-92-7 |
| Molecular Formula | C15H23Br |
| Molecular Weight | 283.25 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Vitamin impurity 55 (CAS 38987-92-7) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C15H23Br. Molecular weight: 283.25 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C15H23Br |
| Molecular Weight | 283.25 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Br-containing |
Related Vitamin Standards
- Vitamin K1 Impurity 52 (CAS CATO-C4X-220752)
- Vitamin K1 Impurity 53 (CAS CATO-C4X-220753)
- Vitamin K1 Impurity 75 (CAS 36232-38-9)
- Vitamin K1 Impurity 76 (CAS 180424-26-4)
- Vitamin A EP Impurity C（Mixture of Z and E Isomers） (CAS 16729-22-9 ((3E)-Isomer))
- Vitamin A (CAS 11103-57-4)
- Vitamin A Impurity 29 (CAS CATO-C4X-218729)
- Vitamin A (CAS 68-26-8)
Recommended Standards
- Olaparib Impurity 89 (Mixture E&Z) (CAS CATO-C4X-113589)
- 1-(2-Fluoro-phenyl)-5-phenyl-1h-[1,2,4]triazole-3-carboxylic acid (CAS 1038309-05-5)
- Olaparib Impurity 59 (CAS CATO-C4X-113559)
- Pinaverium impurity 27 (CAS CATO-C4X-246727)
- CAS CATO-C4X-34243 (CAS CATO-C4X-34243)
- 2-(2-Methyloxazol-4-yl)ethan-1-ol (CAS 180207-50-5)
- 4-bromo-2-(methylsulfonyl)thiazole (CAS 1209457-93-1)
- 7-(benzenesulfonyl)-2,4-dichloro-7H-pyrrolo[2,3-d]pyrimidine (CAS 1131992-22-7)
- 3-Methyl-4-(2-methylbenzoyl)-1-phenyl-1H-pyrazol-5(4H)-one (CAS 73087-94-2)
- Semaglutide impurity 107 (CAS CATO-C4X-2226107)
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