Alfacalcidol Impurity N1 CAS 71726-02-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 71726-02-8 |
| Molecular Formula | C27H44O3S |
| Molecular Weight | 448.70 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Alfacalcidol Impurity N1 (CAS 71726-02-8), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C27H44O3S. Molecular weight: 448.70 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C27H44O3S |
| Molecular Weight | 448.70 g/mol |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Sulfur Atoms | 1 |
Related Alfacalcidol Standards
- Alfacalcidol Impurity 24 (CAS CATO-C4X-139324)
- Alfacalcidol Impurity 26 (CAS CATO-C4X-139326)
- Alfacalcidol impurity 10 (CAS 174176-73-9)
- Alfacalcidol impurity 17 (CAS 2227309-93-3)
- Alfacalcidol-d7 (CAS 41294-56-8 (non-d))
- Alfacalcidol-d6 (CAS 1641940-94-4)
- Alfacalcidol (CAS 41294-56-8)
- Alfacalcidol EP Impurity A (CAS 65445-14-9)
Recommended Standards
- 4-(trans-4-Pentylcyclohexyl)-2-fluoro-4'-(trans-4-propylcyclohexyl)biphenyl (CAS 106349-49-9)
- trans,trans-2-Fluor-4-(4-pentylcyclohexyl)-4-(4-propyl-cyclohexyl)-1,1-biphenyl (CAS 99896-05-6)
- DT59198T2X 7787-58-8 Bismuth bromide Bismuth tribromide Bismuthine, tribromo- EINECS 232-121-1 UNII-DT59198T2X (CAS 7787-58-8)
- Avibactam Impurity 72 (CAS CATO-C4X-134872)
- Fluphenazine Decanoate EP Impurity A (CAS 1674-76-6)
- Ethyl 1H-pyrazole-4-carboxylate hydrochloride (CAS 1242339-75-8)
- n-{1-[4-(difluoromethoxy)-3-methoxyphenyl]ethylidene}hydroxylamine (CAS 1050886-21-9)
- 3-(2-Chloroacetyl)-1-propylurea (CAS 4791-26-8)
- t-Butyl 3-(hydroxypropoxyl)-propanoate (CAS 2100306-78-1)
- Pancreatic Polypeptide (1-17)-(Ala31,Aib32)-Neuropeptide Y (18-36) (human) trifluoroacetate salt (CAS 313988-70-4)
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