Cefaclor EP Impurity C CAS 143059-69-2
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 143059-69-2 |
| Molecular Formula | C15H14ClN3O4S |
| Molecular Weight | 367.81 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Cefaclor EP Impurity C (CAS 143059-69-2), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H14ClN3O4S. Molecular weight: 367.81 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C15H14ClN3O4S |
| Molecular Weight | 367.81 g/mol |
| Purity | >90% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Cefaclor Standards
- Cefaclor (CAS 53994-73-3)
- Cefaclor Impurity 15 (CAS CATO-C4X-127015)
- Cefaclor EP Impurity D (Mixture of Diastereomers) (CAS 152575-13-8)
- Cefaclor Diketopiperazine (CAS CATO-C4X-127051)
- Cefaclor Impurity 54 (CAS CATO-C4X-127054)
- Cefaclor Impurity 64 (CAS CATO-C4X-127064)
- Cefaclor Impurity C37 (CAS 53994-83-5)
- Cefaclor Impurity 23 (CAS 1426173-90-1)
Recommended Standards
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- 3-Chloro-4-(3-(4-hydroxyphenyl)-5-oxoimidazolidin-1-yl)benzenesulfonamide (CAS 65653-83-0)
- Phosalone (CAS 2310-17-0)
- Avanafil Impurity 115 (CAS CATO-C4X-1118115)
- Osimertinib Impurity 63 (CAS CATO-C4X-204563)
- 3-[(4-Bromo-2-chlorophenoxy)methyl]piperidinehydrochloride (CAS 1220033-41-9)
- 2-(Butylthio)-1-(3-fluorophenyl)ethan-1-one (CAS 1157151-86-4)
- 5-Amino-2-((5-methylthiophen-2-yl)amino)pyrimidin-4(1H)-one (CAS 77961-42-3)
- 4-Acetyl-3-methoxybenzoic acid (CAS 249503-56-8)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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