Clopidogrel Impurity 30 CAS 212838-70-5
| CAS No. | 212838-70-5 |
| Molecular Formula | C9H10ClNO2 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Clopidogrel Impurity 30.
Clopidogrel Impurity 30 (CAS 212838-70-5) is a certified pharmaceutical impurity reference standard with the molecular formula C9H10ClNO2HCl and a molecular weight of 236.09 g/mol.
The molecular framework of Clopidogrel Impurity 30 (C9H10ClNO2HCl) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H10ClNO2 HCl |
| Molecular Weight | 236.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2017 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Clopidogrel Standards
- Clopidogrel Impurity 74 (CAS 1008008-56-7)
- Clopidogrel Impurity 82 (CAS 1015247-87-6)
- rac-Clopidogrel EP Impurity A HCl (CAS 1015247-88-7)
- rac Clopidogrel [(tert-Butylcarbonyl)oxy]methyl ester (CAS 1043913-82-1)
- 2-Oxo Clopidogrel (Mixture of Diastereomers) (CAS 109904-27-0)
- Clopidogrel Impurity 42 (CAS 109904-36-1)
- cis-Clopidogrel glutathione disulfide, mixture of diastereomers (CAS 1118605-95-0)
- Clopidogrel Impurity 48 (CAS 111954-31-5)
Recommended Standards
- Solriamfetol Impurity 26 (CAS CATO-C4X-256326)
- Ertapenem Impurity 61 (CAS CATO-C4X-163361)
- Valsartan Impurity 146 (CAS CATO-C4X-1057146)
- 2-Bromo-5-fluorobenzylamine Hydrochloride (CAS 202865-67-6)
- [6-(3-fluorophenoxy)pyridin-3-yl]methanamine (CAS 953906-82-6)
- 4-(2,3-Dihydrobenzofuran-5-yl)butanal (CAS 1494932-37-4)
- 2-Chloro-N-(2-fluorophenyl)propanamide (CAS 160322-25-8)
- Rimegepant Impurity 49 (CAS CATO-C4X-248749)
- 5,6-Dichlorosalicylaldehyde (CAS 51571-16-5)
- Dulaglutide (CAS 923950-08-7)
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