Maxacalcitol Impurity 45 CAS 227961-44-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 227961-44-6 |
| Molecular Formula | C33H51O3PSi2 |
| Molecular Weight | 582.90 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Maxacalcitol Impurity 45 (CAS 227961-44-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C33H51O3PSi2. Molecular weight: 582.90 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C33H51O3PSi2 |
| Molecular Weight | 582.90 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2022 |
Related Maxacalcitol Standards
- Maxacalcitol Impurity N1 (CAS 81522-68-1)
- Maxacalcitol Impurity 46 (CAS CATO-C4X-151046)
- Maxacalcitol Impurity 49 (CAS 496046-11-8)
- Maxacalcitol Impurity 50 (CAS CATO-C4X-151050)
- Maxacalcitol Impurity 14 (CAS 496046-06-1)
- Maxacalcitol Impurity 15 (CAS 215929-37-6)
- Maxacalcitol Impurity 16 (CAS 338956-85-7)
- Maxacalcitol Impurity 48 (CAS 127492-07-3)
Recommended Standards
- Spheroidenone (CAS 13836-70-9)
- 2-((Decanoyloxy)methyl)-2-methylpropane-1,3-diyl bis(decanoate) (CAS 67874-05-9)
- Semaglutide impurity 81 (CAS CATO-C4X-222681)
- Ranolazine Impurity 21 (CAS 172430-46-5)
- Thioctic acid Impurity 20 (CAS 2114407-83-7)
- 5-(4-Fluoro-phenyl)-2-methyl-furan-3-carbonyl chloride (CAS 1506369-89-6)
- 6-Hydroxy-2,3-dimethylbenzaldehyde (CAS 42373-90-0)
- 6-methylpyrimidine-4-carboxylic acid (CAS 138538-42-8)
- 1-(4-Chlorophenyl)-N-methyl-1-(pyrrolidin-1-yl)methanamine (CAS 1951444-41-9)
- Tirzepatide Impurity 19 X TFA Salt (CAS CATO-C4X-324019)
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