Calcipotriol Impurity 40 CAS 2106840-41-7
Purity >85%In StockPharmacopoeial Impurity Standards
| CAS No. | 2106840-41-7 |
| Molecular Formula | C18H28O2 |
| Molecular Weight | 276.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Calcipotriol Impurity 40 (CAS 2106840-41-7) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C18H28O2. Molecular weight: 276.41 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H28O2 |
| Molecular Weight | 276.41 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >85% |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
Related Calcipotriol Standards
- Calcipotriol Impurity 39 (CAS 7691-76-1)
- 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 (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
- Ibuprofen Impurity 91 (CAS CATO-C4X-108291)
- Ethyl 6(Z),9(Z),12(Z),15(Z)-Hexadecatetraenoate (CAS 845779-89-7)
- (6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoic acid (CAS 20290-75-9)
- Ceftazidime Impurity 46 (CAS 134203-50-2)
- Trazodone Impurity 33 (CAS CATO-C4X-177233)
- Tert-butyl ((6,6-dimethylmorpholin-3-yl)methyl)carbamate (CAS 2413867-43-1)
- Tert-butyl 2,3,6,7-tetrahydro-1H-azepine-1-carboxylate (CAS 317336-73-5)
- 2-(2-(Bromomethyl)-3-methylbutyl)thiophene (CAS 1495962-98-5)
- methyl (2S,4R)-4-{[(tert-butoxy)carbonyl]amino}pyrrolidine-2-carboxylate (CAS 473806-21-2)
- Uremic Pentapeptide (CAS 71494-20-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com