Clemastine fumarate CAS 14976-57-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 14976-57-9 |
| Molecular Formula | C21H26ClNO C4H4O4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Clemastine fumarate (CAS 14976-57-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H26ClNO C4H4O4. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H26ClNO C4H4O4 |
| Molecular Weight | 459.97 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| 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 (CAS 15686-51-8)
- Clemastine Impurity 26 (CAS 171296-35-8)
- Clemastine Impurity 4 (CAS 20763-27-3)
- Clemastine Fumarate Impurity 2 (CAS 530-48-3)
Recommended Standards
- 2-Methylcyclopent-1-ene-1-carboxylic acid (CAS 67209-77-2)
- (S)-1-Amino-2,3-dihydro-1H-indene-5-carboxylic acid (CAS 903630-36-4)
- L-malic acid-1-<SUP>13</SUP>C (CAS 180991-05-3)
- N,N-Diallyl-4-methylbenzenesulfonamide (CAS 50487-72-4)
- (3S)-Methyl 4-benzyl-6-(iodomethyl)-6-methylmorpholine-3-carboxylate (CAS 1001054-44-9)
- N-((S)-1-((S)-2-Aminopropanoyl)pyrrolidin-3-yl)-N-isopropylacetamide (CAS 1401667-88-6)
- Semaglutide Impurity 147 (CAS CATO-C4X-2226147)
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 13829788188 / jacky.chen@cato-chem.com