Cefprozil EP Impurity B Sodium Salt CAS 42284-83-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 42284-83-3 |
| Molecular Formula | C16H16N3O5S Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Cefprozil EP Impurity B Sodium Salt (CAS 42284-83-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C16H16N3O5S Na. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H16N3O5S Na |
| Molecular Weight | 385.37 g/mol |
| Purity | 97%+ |
| 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 |
| Degree of Unsaturation (DBE) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Cefprozil Standards
- Cefprozil Δ3 Isomer (CAS 1000980-59-5)
- Cefprozil EP Impurity D (CAS 106447-44-3)
- Cefprozil EP Impurity F (CAS 107937-01-9)
- Cefprozil (2S)-Isomer (CAS 110764-35-7)
- Cefprozil (E)-Isomer monohydrate (CAS 111900-24-4)
- Cefprozil (Z)-Isomer monohydrate (CAS 114876-72-1)
- Cefprozil Impurity 46 (CAS 120709-09-3)
- Cefprozil Monohydrate (CAS 121123-17-9)
Recommended Standards
- tert-butyl (2R)-2-tert-butylpiperazine-1-carboxylate (CAS 1382035-40-6)
- N-benzyl-1-(2,3-dihydrobenzo[b][1,4]dioxin-2-yl)methanamine (CAS 2164-42-3)
- 1-(Cyclopropylmethyl)-4-hydroxy-6-methylpyridin-2-one (CAS 893724-94-2)
- 2-Methyl-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridin-3(2H)-one (CAS 1215484-46-0)
- 2-(4-(2-(4-Bromo-2-chlorophenoxy)ethyl)piperazin-1-yl)ethanol (CAS 1704074-29-2)
- 1-Butyl-5-methyl-3-nitro-1H-pyrazole (CAS 1020724-13-3)
- Semaglutide impurity 31 (CAS CATO-C4X-222631)
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