Phytomenadione Impurity 21 CAS 52691-91-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 52691-91-5 |
| Molecular Formula | C31H46O3 |
| Molecular Weight | 466.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Phytomenadione Impurity 21 (CAS 52691-91-5) pharmaceutical standards reference standard. Molecular formula: C31H46O3. Molecular weight: 466.70 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C31H46O3 |
| Molecular Weight | 466.70 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
Related Phytomenadione Standards
- Phytomenadione/Vitamin K1 Impurity 87 (CAS CATO-C4X-220787)
- Phytomenadione/Vitamin K1 Impurity 98 (CAS CATO-C4X-220798)
- Phytomenadione/Vitamin K1 Impurity 129 (CAS 1181-23-3（无手性）)
- Phytomenadione/Vitamin K1 Impurity 96 (CAS CATO-C4X-220796)
- Phytomenadione/Vitamin K1 Impurity 97 (CAS CATO-C4X-220797)
- Phytomenadione/Vitamin K1 Impurity 135 (CAS CATO-C4X-2207135)
- Phytomenadione/Vitamin K1 Impurity 101 (CAS 4208-84-8)
- Phytomenadione/Vitamin K1 Impurity 100 (CAS CATO-C4X-2207100)
Recommended Standards
- Methyl (4aS,6aS,6bR,8aR,12aR,12bR,14bS)-2,2,6a,6b,9,9,12a-heptamethyl-10-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,12a,12b,13,14b-hexadecahydropicene-4a(2H)-carboxylate (CAS 69660-90-8)
- Phytonadione Epoxide (CAS 41018-27-3)
- 4-(Benzyloxy)phenyl stearate (CAS 6935-23-5)
- 2-Bromo-N-(4-bromobenzyl)acetamide (CAS 70110-31-5)
- 7-Vinyl-7H-purin-6-amine (CAS 426266-26-4)
- Benzyl 4-bromo-1H-pyrrolo[2,3-b]pyridine-1-carboxylate (CAS 1286753-90-9)
- N-(5-Chloro-2-(hydroxymethyl)phenyl)-4-methylbenzenesulfonamide (CAS 135484-67-2)
- 2-(Methylsulfonyl)piperidin-4-amine (CAS 402927-97-4)
- Methyl 2-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)acetate (CAS 56059-28-0)
- D-[Ser]8-Semaglutide (CAS CATO-CPTD788632)
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