Cefazolin USP RC A CAS 21732-17-2
Purity >95%In StockPharmaceutical Standards
| CAS No. | 21732-17-2 |
| Molecular Formula | C3H4N4O2 |
| Molecular Weight | 128.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Cefazolin USP RC A (CAS 21732-17-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C3H4N4O2. Molecular weight: 128.09 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C3H4N4O2 |
| Molecular Weight | 128.09 g/mol |
| Purity | >95% |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 4 |
Related Cefazolin Standards
- Cefazolin Impurity N14 (CAS 21743-64-6)
- Cefazolin Impurity 53 (CAS 26476-16-4)
- Cefazolin EP Impurity E(Cefazolin USP RC E) (CAS 29490-19-5)
- Cefazolin Impurity 46 (CAS 18686-82-3)
- Cefazolin Impurity 26 (CAS 1925-78-6)
- Cefazolin Impurity 39 (CAS 13616-37-0)
- Cefazolin Impurity 28 (CAS 26240-90-4)
- Cefazolin Impurity 44 (CAS 20198-75-8)
Recommended Standards
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- 8-Bromoquinolin-4(1H)-one (CAS 949507-29-3)
- 1-((2-Chloropyridin-3-yl)methyl)-4-propylpiperazine (CAS 1479501-62-6)
- Allo-D-Ile17-Tirzepatide (CAS CATO-CPTD788962)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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