26,27-Didesmethyl-1,3-(tert-butyldimethylsilyl) (5Z)-Calcitriol 24-Carboxylic Acid Methyl Ester CAS 145372-43-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 145372-43-6 |
| Molecular Formula | C38H68O4Si2 |
| Molecular Weight | 645.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 26,27-Didesmethyl-1,3-(tert-butyldimethylsilyl) (5Z)-Calcitriol 24-Carboxylic Acid Methyl Ester (CAS 145372-43-6) pharmaceutical standards reference standard. Molecular formula: C38H68O4Si2. Molecular weight: 645.12 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C38H68O4Si2 |
| Molecular Weight | 645.12 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| 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.) | 1998 |
Related Didesmethyl Standards
- 13,19-didesmethyl spirolide C (CAS 908118-02-5)
- N-Didesmethyl Loperamide (CAS 66164-06-5)
- 1,4-O-Didesmethyl rac-Niranthin (CAS 81263-83-4)
- Didesmethyl Cariprazine (CAS 839712-25-3)
- N-Didesmethyl Trimebutine-D5 (CAS 1189893-33-1)
- N10-Didesmethyl N10-Benzyl Rizatriptan (CAS 144035-40-5)
- Didesmethyl Almotriptan-d4 (CAS 1346604-75-8)
- Didesmethyl Sibutramine-d6 (CAS 1189727-93-2)
Recommended Standards
- N-(4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-Heptadecafluoroundecyl)-2-iodoacetamide (CAS 852527-48-1)
- Calcitriol impurity 39 (CAS 161885-78-5)
- 1-Stearoyl-2-arachidonoyl-sn-glycerol (CAS 65914-84-3)
- 4-(4-(TRifluoromethoxy)phenyl)picolinic acid methyl ester (CAS 1261617-85-9)
- 5-(Phenethylthio)-1,3,4-thiadiazol-2-amine (CAS 72836-09-0)
- 3-Bromo-4-chlorobenzotrifluoride (CAS 454-78-4)
- 2-[3-Cyano-4-(3-hydroxy-2-methylpropoxy)phenyl]-4-methyl-5-thiazolecarboxylic acid (CAS 887945-96-2)
- 3-Cyclopentyl-1-(1H-pyrazol-1-yl)propan-1-one (CAS 543708-61-8)
- Metolazone EP Impurity C (CAS 28524-40-5)
- Tirzepatide Impurity 16 (CAS CATO-C4X-324016)
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