Calcipotriol Impurity 39 CAS 7691-76-1
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 7691-76-1 |
| Molecular Formula | C23H21OP |
| Molecular Weight | 344.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Calcipotriol Impurity 39 (CAS 7691-76-1) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C23H21OP. Molecular weight: 344.39 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C23H21OP |
| Molecular Weight | 344.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >90% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
Related Calcipotriol Standards
- Calcipotriol EP Impurity E （and eantiomer） (CAS CATO-C4X-12225)
- Calcipotriol EP Impurity A (CAS 126860-83-1)
- Calcipotriol Impurity 45 (CAS CATO-C4X-122245)
- Calcipotriol Impurity 40 (CAS 2106840-41-7)
- Calcipotriol (CAS 112828-00-9)
- Calcipotriol Impurity A (CAS 126860-84-2)
- Calcipotriol Impurity 13 (CAS 112849-47-5)
- Calcipotriol EP Impurity B (CAS 2948288-30-8)
Recommended Standards
- 4-Desmethoxy-4-nitro Omeprazole Sulfide (CAS 142885-91-4)
- Imipenem Impurity 114 (CAS CATO-C4X-1662114)
- Esomeprazole Impurity 129 (CAS CATO-C4X-1112129)
- Pyridoxine Impurity 20 (CAS 36944-85-1)
- Fluvoxamine impurity 41 (CAS CATO-C4X-195141)
- {bicyclo[2.2.2]oct-5-en-2-yl}methanol (CAS 5019-90-9)
- 5-[2-(4-methoxyphenyl)ethyl]-1,3,4-oxadiazol-2-amine (CAS 1016749-64-6)
- 5-(2-Fluoro-4-methylphenyl)isoxazole (CAS 918884-78-3)
- (2S,4R)-4-Amino-1-methylpyrrolidine-2-carboxylic acid dihydrochloride (CAS 1777812-80-2)
- Insulin Degludec Impurity 8 (CAS CATO-C4X-21578)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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