Daprodustat impurity 27 CAS 960540-96-9
| CAS No. | 960540-96-9 |
| Molecular Formula | C21H31N3O6 |
| Molecular Weight | 421.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Daprodustat impurity 27 (C21H31N3O6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 421.49 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Daprodustat impurity 27 (CAS 960540-96-9) is a certified pharmaceutical impurity reference standard with the molecular formula C21H31N3O6 and a molecular weight of 421.49 g/mol.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Daprodustat impurity 27 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H31N3O6 |
| Molecular Weight | 421.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
Related Daprodustat Standards
- Daprodustat Impurity 41 (CAS CATO-C4X-240741)
- Daprodustat Impurity 43 (CAS CATO-C4X-240743)
- Daprodustat impurity 9 (CAS CATO-C4X-24079)
- Daprodustat Impurity 44 (CAS CATO-C4X-240744)
- Daprodustat impurity 8 (CAS CATO-C4X-24078)
- Daprodustat Impurity 29 (CAS CATO-C4X-240729)
- Daprodustat-D8 (CAS 2250290-94-7)
- Daprodustat Impurity 24 (CAS CATO-C4X-240724)
Recommended Standards
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- Ivacaftor impurity 16 (CAS CATO-C4X-296416)
- Ilaprazole Impurity 17 (CAS 172152-35-1)
- Vonoprazan Fumarate lmpurity 120 (CAS 2416241-95-5(free base))
- Temozolomide Impurity 20 (CAS 18514-52-8)
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- 6-Amino-2-naphthol (CAS 4363-04-6)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com