Apixaban Impurity 33 CAS 545445-44-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 545445-44-1 |
| Molecular Formula | C20H25N3O3 |
| Molecular Weight | 355.43 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Apixaban Impurity 33 (CAS 545445-44-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H25N3O3. Molecular weight: 355.43 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H25N3O3 |
| Molecular Weight | 355.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 3 |
Related Apixaban Standards
- Apixaban Impurity N3 (CAS 2413365-22-5)
- Apixaban Impurity 25 (CAS CATO-C4X-108825)
- Apixaban Impurity 168 (CAS CATO-C4X-1088168)
- Apixaban Impurity 78 (CAS CATO-C4X-108878)
- Apixaban Impurity 17 (CAS 1434050-55-1)
- Apixaban Impurity 123 (CAS CATO-C4X-1088123)
- Apixaban Impurity 16 (CAS 2098457-93-1)
- Apixaban Impurity 30 (CAS 1686149-78-9)
Recommended Standards
- ((2R,3S)-3-(benzyloxymethyl)oxiran-2-yl)methyl 4-nitrobenzoate (2R,3S)-(+)-3-(Benzyloxymethyl)oxirane-2-methanol 4-nitrobenzoic acid ester 78469-86-0 (CAS 78469-86-0)
- Palbociclib Impurity 155 (CAS CATO-C4X-1125155)
- (8|A)-9,10-Didehydro-2,3-dihydro-3-hydroxy-N,6-dimethyl-2-oxo-N-propylergoline-8-carboxamide 2-Oxo-3-hydroxy LAMPA 2-Oxo-3-hydroxy-N-methyl-N-propyl D-Lysergamide 2-Oxo-3-hydroxylysergic Acid Methyl Propyl Amide 249921-57-1 (CAS 249921-57-1)
- Salicylic acid Impurity 28 (CAS 32499-37-9)
- Gadoteridol impurity 30 (CAS 2172857-50-8)
- (R)-1-(5-Methyloxazol-2-yl)ethan-1-amine (CAS 1334160-89-2)
- 1310250-38-4 3-Bromo-9-chloro-5,6,7,8-tetrahydro-pyrazolo[5,1-b]quinazoline 3628AD C10H9BrClN3 (CAS 1310250-38-4)
- 2-(2H-1,3-Benzodioxol-5-yl)pyridine (CAS 862743-22-4)
- 2-(4-Ethylbenzamido)thiophene-3-carboxylic acid (CAS 1019449-40-1)
- Glucagon-like peptide 2 (CAS 89750-15-2)
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