Cefotaxime Impurity 5 CAS 64485-89-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 64485-89-8 |
| Molecular Formula | C27H25N3O3S |
| Molecular Weight | 471.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Cefotaxime Impurity 5 (CAS 64485-89-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C27H25N3O3S. Molecular weight: 471.57 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C27H25N3O3S |
| Molecular Weight | 471.57 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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 |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Cefotaxime Standards
- E-Cefotaxime S-Oxide (CAS 69132-42-9)
- Cefotaxime S-Oxide (CAS 97466-27-8)
- (E)-Cefotaxime S-Oxide (CAS CATO-C4X-120131)
- Cefotaxime S-Oxide (CAS CATO-C4X-120158)
- Cefotaxime S-Oxide 2 (CAS 71048-88-9)
- Cefotaxime Impurity 90 (CAS CATO-C4X-120190)
- Cefotaxime Impurity 16 (CAS CATO-C4X-120116)
- Cefotaxime EP Impurity D Sodium Salt (CAS 65715-12-0)
Recommended Standards
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- 3-Benzyl-8,9-dimethoxy-5-{[(2-methylphenyl)methyl]sulfanyl}-2H,3H-imidazo[1,2-c]quinazolin-2-one (CAS 477768-54-0)
- (E)-4,4,5,5-tetramethyl-2-(2-(thiophen-3-yl)vinyl)-1,3,2-dioxaborolane (CAS 736987-75-0)
- Methyl 2-(3-chlorophenyl)pyrimidine-5-carboxylate (CAS 1263059-68-2)
- Tryptophan EP Impurity L Diethylamine (CAS CATO-C4X-137330)
- Dimethyl oxalimidate (CAS 30986-09-5)
- Methyl N-(1,2,3,4-tetrahydroisoquinolin-5-yl)carbamate hydrochloride (CAS 1394041-21-4)
- Triflumuron (CAS 64628-44-0)
- Mitogenic Pentapeptide (CAS 87173-03-3)
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