Levomepromazine EP Impurity A CAS 1771-18-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1771-18-2 |
| Molecular Formula | C13H11NOS |
| Molecular Weight | 229.30 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Levomepromazine EP Impurity A (CAS 1771-18-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H11NOS. Molecular weight: 229.30 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H11NOS |
| Molecular Weight | 229.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Levomepromazine Standards
- (±)-Levomepromazine (CAS 851-68-3)
- Levomepromazine (CAS 60-99-1)
- rac-Levomepromazine EP Impurity B (rac-Levomepromazine S-Oxide) (CAS 1188265-45-3)
- Levomepromazine Maleate EP Impurity B (CAS 7606-29-3)
- Levomepromazine Hydrochloride (CAS 1236-99-3)
- Levomepromazine maleate CRS (CAS 7104-38-3)
- Levomepromazine Sulphone Hydrochloride (CAS 60119-90-6)
- Levomepromazine EP Impurity C HCl (CAS 61733-92-4)
Recommended Standards
- Ensitrelvir Impurity 1 (CAS 1360105-53-8)
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- Azithromycin Impurity 10 (CAS 217500-34-0)
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- 3-Benzyl-1-methyl-2-thioxoimidazolidin-4-one (CAS 562826-16-8)
- Heme iron polypeptide(Hematin) (CAS 14875-96-8)
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