Vitamin K1 Impurity 43 CAS 1181-23-3
Purity 95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1181-23-3 |
| Molecular Formula | C31H48O3 |
| Molecular Weight | 468.71 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Vitamin K1 Impurity 43 (CAS 1181-23-3) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C31H48O3. Molecular weight: 468.71 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C31H48O3 |
| Molecular Weight | 468.71 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 95% |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Vitamin Standards
- Vitamin K1 Impurity 2 (CAS 15576-40-6)
- Vitamin K1 Impurity 34 (CAS CATO-C4X-220734)
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- Vitamin D2 (CAS 1784-46-9)
- Vitamin K1 D7 ( Mixture of Cis & Trans) (CAS CATO-C4X-2207102)
- cis-Vitamin K1 D7 (CAS CATO-C4X-2207103)
- cis-Vitamin K1-d7 (CAS 16033-41-3 (non-labelled))
- Vitamin K1-d7 (CAS 1233937-39-7)
Recommended Standards
- Phytomenadione/Vitamin K1 Impurity 129 (CAS 1181-23-3（无手性）)
- Dehydroeburicoic Acid (CAS 6879-05-6)
- Methyl (1S,2R,4aS,6aS,6bR,8aR,12aR,12bR,14bS)-1,2,6a,6b,9,9,12a-heptamethyl-10-oxo-1,3,4,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,13,14b-octadecahydropicene-4a(2H)-carboxylate (CAS 989-72-0)
- Empagliflozin Impurity 21 (CAS CATO-C4X-106521)
- Dipyridamole EP Impurity A (CAS 16982-40-4)
- Ethyl 1-allyl-2-oxocyclohexanecarboxylate (CAS 61771-75-3)
- Lenalidomide Impurity 37 (CAS 1198299-72-7)
- Naftazone (CAS 15687-37-3)
- 4-(Furan-2-yl)-2-phenyl-5-[(Z)-2-phenyldiazen-1-yl]pyrimidine (CAS 339279-64-0)
- Pancreatic Polypeptide (31-36), amide, human (CAS 74012-13-8)
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