Apixaban Impurity 28 CAS 503612-76-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 503612-76-8 |
| Molecular Formula | C24H23N5O4 |
| Molecular Weight | 445.47 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Apixaban Impurity 28 (CAS 503612-76-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H23N5O4. Molecular weight: 445.47 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H23N5O4 |
| Molecular Weight | 445.47 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 5 |
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Recommended Standards
- N-(9-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)-2,2-diphenylacetamide (CAS 95900-44-0)
- Azilsartan impurity 140 (CAS CATO-C4X-1096140)
- Bis(tert-Butoxycarbonyl) Lisdexamphetamine (CAS 819871-13-1)
- Levothyroxine N-Acetyl Impurity (CAS 26041-51-0)
- Ethosuximide impurity 12 (CAS CATO-C4X-262512)
- Ethyl 3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate hydrochloride (CAS 13582-92-8)
- 5-(1-Amino-2-methoxyethyl)-2-fluorophenol (CAS 1270368-91-6)
- 4-(3,4-Difluorophenyl)butanoic acid (CAS 136295-00-6)
- 1-(1,2-dimethyl-1H-imidazol-4-yl)ethan-1-one (CAS 103747-86-0)
- Semaglutide impurity 106 (CAS CATO-C4X-2226106)
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