Pro-Calcitriol PTAD Adduct CAS 137342-95-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 137342-95-1 |
| Molecular Formula | C35H49N3O5 |
| Molecular Weight | 591.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Pro-Calcitriol PTAD Adduct (CAS 137342-95-1) pharmaceutical standards reference standard. Molecular formula: C35H49N3O5. Molecular weight: 591.78 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C35H49N3O5 |
| Molecular Weight | 591.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 3 |
Related Pro Standards
- Calcitriol EP Impurity C(Mixture of Diastereomers) (CAS 86307-44-0)
- Calcitriol Impurity 66 (CAS CATO-C4X-151066)
- pre-Calcitriol PTAD Adduct (impurity) (CAS 86307-31-5)
- Calcitriol Impurity 22 (CAS 139239-33-1)
- Calcitriol Impurity 21 (CAS 115648-67-4)
- Calcitriol impurity 01 (CAS 2239312-26-4)
- Calcitriol Impurity 35 (CAS CATO-C4X-151035)
- Calcitriol impurity 39 (CAS 161885-78-5)
Recommended Standards
- Fluorophenazine Decanoate (CAS 5002-47-1)
- Imperialine 3- β-D-Glucoside (CAS 67968-40-5)
- 1,4,7-Tri(p-tolylsulfonyl)-1,4,7-triazacyclononane (CAS 52667-89-7)
- 17a(H),21a(H)-Hopane (CAS 33281-23-1)
- 3-Amino-4-(3,5-bis(trifluoromethyl)phenyl)butanoic acid (CAS 1391230-73-1)
- 2,4-Dichlorobenzyl Alcohol (CAS 1777-82-8)
- 4-(3-Methyl-1H-1,2,4-triazol-5-yl)benzonitrile (CAS 1152889-67-2)
- Methyl 4-bromo-3-fluoro-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrrole-2-carboxylate (CAS 2916880-51-6)
- 2-(2H-Benzo[d][1,2,3]triazol-2-yl)-4,6-dipentylphenol (CAS 21615-49-6)
- Insulin Degludec Impurity 18 (CAS CATO-C4X-215718)
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