Metoprolol S-Isomer CAS 81024-42-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81024-42-2 |
| Molecular Formula | C15H25NO3 |
| Molecular Weight | 267.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Metoprolol S-Isomer (CAS 81024-42-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H25NO3. Molecular weight: 267.36 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15H25NO3 |
| Molecular Weight | 267.36 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 1 |
Related Metoprolol Standards
- Metoprolol Impurity 23 (CAS 109632-11-3)
- Metoprolol EP Impurity E (CAS 163685-38-9)
- Metoprolol (CAS 51384-51-1)
- Metoprolol (CAS 37350-58-6)
- Metoprolol Impurity 44 (CAS CATO-C4X-136744)
- Metoprolol impurity 45 (CAS CATO-C4X-136745)
- Metoprolol Impurity 2 (Mixture of Z and E Isomers) (CAS 82961-02-2)
- Metoprolol impurity 1 (CAS 150332-88-0)
Recommended Standards
- n-{[5-(2-amino-5-methyl-1,3-thiazol-4-yl)thiophen-2-yl]methyl}acetamide (CAS 1017190-42-9)
- 5-((2-Ethoxybenzyl)thio)-1,3,4-thiadiazol-2-amine (CAS 1017373-75-9)
- 1-Benzyl-3-(3-methoxyphenyl)pyrrolidine (CAS 1056971-34-6)
- 2-Chloro-N-cyclopentyl-N-methylacetamide (CAS 1095028-85-5)
- 5-Fluoro-3h-spiro[benzofuran-2,4'-piperidine] hydrochloride (CAS 644968-05-8)
- Methyl 2-(2-methoxyphenyl)benzoate (CAS 63506-58-1)
- SHA 68 (CAS 847553-89-3)
- (R)-4-methylpent-1-en-3-amine hydrochloride (CAS 604783-86-0)
- Abemaciclib Impurity 171 (CAS CATO-C4X-2937171)
- Semaglutide Impurity 6 (CAS 62-57-7)
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