Cefazolin Impurity 53 CAS 26476-16-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 26476-16-4 |
| Molecular Formula | C3H5N5O |
| Molecular Weight | 127.10 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cefazolin Impurity 53 (CAS 26476-16-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C3H5N5O. Molecular weight: 127.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C3H5N5O |
| Molecular Weight | 127.10 g/mol |
| Purity | >95% |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 5 |
Related Cefazolin Standards
- Cefazolin USP RC A (CAS 21732-17-2)
- Cefazolin Impurity N14 (CAS 21743-64-6)
- 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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- Avibactam Impurity 40 (CAS CATO-C4X-134840)
- Ethyl 4-methyl-2,6-diphenylpyrimidine-5-carboxylate (CAS 80742-17-2)
- 2-((Chloromethyl)thio)-4,6-dimethylpyrimidine (CAS 19834-92-5)
- 3-(3-oxabicyclo[3.1.0]hexan-1-yl)prop-2-ynoic acid (CAS 2001676-72-6)
- (4-Amino-3-methylphenyl)(piperazin-1-yl)methanone (CAS 1153038-58-4)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
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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