Calcitriol Lactone CAS 81203-50-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81203-50-1 |
| Molecular Formula | C27H40O5 |
| Molecular Weight | 444.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Calcitriol Lactone (CAS 81203-50-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C27H40O5. Molecular weight: 444.60 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C27H40O5 |
| Molecular Weight | 444.60 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1980 |
Related Calcitriol Standards
- Calcitriol Impurity 15 (CAS 214351-86-7)
- Calcitriol impurity 40 (CAS CATO-C4X-151040)
- Calcitriol Impurity 2 (CAS 103656-40-2)
- Calcitriol Impurity 3 (CAS CATO-C4X-15103)
- Calcitriol-d6 (CAS 78782-99-7)
- Calcitriol (CAS 32222-06-3)
- Calcitriol Impurity 25 (CAS 134523-84-5)
- Calcitriol Impurity 26 (CAS 57102-09-7)
Recommended Standards
- 5-(Fluorosulfonyl)-2-(hexadecyloxy)benzoic acid (CAS 5376-77-2)
- Deoxycholic acid Impurity 15 (CAS 1093351-39-3)
- (R)-Methyl 4-((3R,5R,8S,10S,13R,14S,17R)-3-acetoxy-10,13-dimethyl-12-oxo-2,3,4,5,6,7,8,10,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate (CAS 4472-02-0)
- 1-(Heptan-2-ylamino)-2-methylpropan-2-ol (CAS 500563-10-0)
- Methyl 5-(3-((tert-butoxycarbonyl)amino)prop-1-yn-1-yl)furan-2-carboxylate (CAS 223461-83-4)
- N,2-dimethyl-6-nitroaniline (CAS 70254-74-9)
- 1-(4-(4-Bromo-1h-pyrazol-1-yl)phenyl)ethan-1-one (CAS 1182992-21-7)
- (5-Bromo-2-methyl-3-nitrophenyl)methanamine (CAS 1807264-27-2)
- 2-fluoro-1-methoxy-4-methylbenzene (CAS 399-55-3)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
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