Cefmetazole Impurity 11 CAS 55817-29-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 55817-29-3 |
| Molecular Formula | C4H5NO2S |
| Molecular Weight | 131.15 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cefmetazole Impurity 11 (CAS 55817-29-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C4H5NO2S. Molecular weight: 131.15 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H5NO2S |
| Molecular Weight | 131.15 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Cefmetazole Standards
- Cefmetazole Impurity 21 (CAS 52069-55-3)
- Cefmetazole Impurity 48 (CAS 310466-38-7)
- Cefmetazole Impurity 58 (CAS CATO-C4X-150758)
- Cefmetazole Impurity 31 (CAS 55862-52-7)
- Cefmetazole Impurity 20 (Chloroacetonitrile) (CAS 107-14-2)
- Cefmetazole Impurity 46 (CAS 17347-32-9)
- Cefmetazole Impurity 47 (CAS 4923-87-9)
- Cefmetazole impurity 75 (CAS 62671-38-9)
Recommended Standards
- 3-Fluoro-4-pyridinecarboxaldehyde 3-fluoropyridine-4-carboxaldehyde 3-fluoro-pyridine-4-carbaldehyde 3-Fluoro-4-formylpyridine 3-Fluoroisonicotinaldehyde 40273-47-0 (CAS 40273-47-0)
- 3-Amino-2-thioxoimidazolidin-4-one (CAS 117829-36-4)
- Methyl 2-isothiocyanatoacetate methyl isothiocyanatoacetate methyl 2-isothiocyanato acetate 21055-37-8 (CAS 21055-37-8)
- Osimertinib Impurity 113 (CAS CATO-C4X-2045113)
- Gadobutrol impurity 176 (CAS CATO-C4X-2120176)
- Dihydrotetramethylrosamine (CAS 105284-17-1)
- 1,4-Naphthoquinone-d6 (CAS 26473-08-5)
- (5E)-5-(3-chlorobenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one 23622-20-0 Y-1466 (CAS 23622-20-0)
- 1-[4-(4-CHLORANYLPHENOXY)PHENYL]UREA (CAS 23822-43-7)
- Protein Kinase C? Peptide Substrate (CAS 120253-69-2)
Why CATO?
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