Cefoperazone EP Impurity B (Sodium salt) CAS 127923-94-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 127923-94-8 |
| Molecular Formula | C2H3N4NaS |
| Molecular Weight | 138.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Cefoperazone EP Impurity B (Sodium salt) (CAS 127923-94-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C2H3N4NaS. Molecular weight: 138.13 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C2H3N4NaS |
| Molecular Weight | 138.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Cefoperazone Standards
- Cefoperazone Impurity N8 (CAS 1416704-15-8)
- Cefoperazone Impurity 46 (CAS CATO-C4X-114946)
- Cefoperazone Impurity 45 (CAS 16681-77-9)
- Cefoperazone Impurity 10 (CAS 59703-00-3)
- Cefoperazone Impurity N7 (CAS 3994-82-9)
- Cefoperazone EP Impurity E (HCl) (CAS 57399-61-8)
- Cefoperazone Sodium (CAS 62893-20-3)
- Cefoperazone Impurity 11 (CAS CATO-C4X-114911)
Recommended Standards
- 5-(azidomethyl)-3-methyl-1,2-oxazole (CAS 1237772-60-9)
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- 2,6-Diaminopyrimidine-4-carbaldehyde (CAS 109138-03-6)
- 3-(4-Methylphenyl)-2-pyridinecarbonitrile (CAS 143425-48-3)
- 1-Ethyl-4-(p-tolyl)piperidin-4-ol (CAS 86310-83-0)
- Vildagliptin Impurity 97 (CAS CATO-C4X-110097)
- rac-13-Hydroxydocosapentaenoic Acid (CAS 887752-29-6)
- 2-Amino-4-bromo-3,5-dichlorobenzoic acid (CAS 1698027-55-2)
- tetrahydro-N-(tetrahydro-1,1-dioxido-3-thienyl)-2-Furanmethanamine, hydrochloride (1:1) (CAS 1052418-36-6)
- Galanin-Like Peptide (human) trifluoroacetate salt (CAS 245114-99-2)
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