Daprodustat Impurity 21 CAS 918641-99-3
| CAS No. | 918641-99-3 |
| Molecular Formula | C9H15NO3 |
| Molecular Weight | 185.22 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
Daprodustat Impurity 21 (CAS 918641-99-3) is a certified pharmaceutical impurity reference standard with the molecular formula C9H15NO3 and a molecular weight of 185.22 g/mol.
Structurally, Daprodustat Impurity 21 (C9H15NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 185.22 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures Daprodustat Impurity 21 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 | C9H15NO3 |
| Molecular Weight | 185.22 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Daprodustat Standards
- Daprodustat Impurity 18 (CAS 117043-46-6)
- Daprodustat Impurity 12 (CAS 10468-40-3)
- Daprodustat Impurity 33 (CAS CATO-C4X-240733)
- Daprodustat Impurity 39 (CAS CATO-C4X-240739)
- Daprodustat Impurity 17 (CAS 6620-41-3)
- Daprodustat Impurity 40 (CAS CATO-C4X-240740)
- Daprodustat Impurity 32 (CAS CATO-C4X-240732)
- Daprodustat Impurity 42 (CAS CATO-C4X-240742)
Recommended Standards
- Pilocarpine Impurity 5 (CAS CATO-C4X-24015)
- 1-Naphthaleneacetamide (CAS 86-86-2)
- Pirfenidone Impurity 6 (CAS 2640792-41-0)
- 4-Hydroxydiphenylamine (CAS 122-37-2)
- Progesterone Impurity 72 (CAS 93519-10-9)
- Daptomycin Impurity 44 (CAS CATO-C4X-137844)
- Troxipide Impurity 27 (CAS 30751-15-6)
- 9-(Diphenylmethylene)-1,4-dihydro-6,7-dimethoxy-1,4-methanonaphthalene (CAS 1486571-48-5)
- 3,5-Dimethyl-1-(naphthalen-2-ylsulfonyl)piperazine (CAS 1086392-76-8)
- N-Phenyl 4-bromonaphthamide (CAS 87700-83-2)
- 3-(2-Chloro-6-fluorophenyl)propan-1-amine hydrochloride (CAS 1781649-23-7)
- 4-(3,4-Dihydroxyphenyl)butyric Acid (CAS 70217-89-9)
- 3-Methoxy-5-(trifluoromethyl)picolinonitrile (CAS 400085-19-0)
- Palmitoyl Tripeptide-1 HCl (CAS 2757690-14-3)
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 18665070610 / Nicole.chen@cato-chem.com