Clemastine Impurity 4 CAS 20763-27-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20763-27-3 |
| Molecular Formula | C7H14N Cl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Clemastine Impurity 4 (CAS 20763-27-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H14N Cl. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H14N Cl |
| Molecular Weight | 147.65 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Clemastine Standards
- Clemastine Impurity 27 (CAS 10095-17-7)
- Clemastine EP Impurity A(Mixture of Diastereomers) (CAS 108825-05-4)
- Clemastine Impurity 28 (CAS 1333340-87-6)
- Clemastine EP Impurity B (CAS 1352549-49-5)
- Clemastine fumarate (CAS 14976-57-9)
- Clemastine (CAS 15686-51-8)
- Clemastine Impurity 26 (CAS 171296-35-8)
- Clemastine Fumarate Impurity 2 (CAS 530-48-3)
Recommended Standards
- 2-Ethyl-5-amino-1-isopropyl-benzol (CAS 1899-06-5)
- 3,4-Dichloro-5-(difluoromethoxy)benzodifluoride (CAS 1806275-51-3)
- (Z)-1-(Cyclohexylamino)-1-cyclopropyl-4,4-dimethylpent-1-en-3-one (CAS 328011-85-4)
- (6R,7R,8S)-6-Methoxy-2-oxo-5-oxaspiro[3.4]octane-7,8-diyl bis(2,2-dimethylpropanoate) (CAS 2349380-73-8)
- 2-Bromoindolizine-3-carboxylic acid (CAS 1367871-35-9)
- Methyl 2-(3-(3-(1H-imidazol-1-yl)-5-(trifluoromethyl)pyridin-2-yl)-1H-1,2,4-triazol-1-yl)acetate (CAS 1823188-37-9)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
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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