Cefmetazole Impurity 21 CAS 52069-55-3
| CAS No. | 52069-55-3 |
| Molecular Formula | C4H4ClNOS |
| Molecular Weight | 149.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Cefmetazole Impurity 21 (C4H4ClNOS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 149.60 g/mol, it falls into the low-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Cefmetazole Impurity 21 (CAS 52069-55-3) is a high-purity analytical reference standard with the molecular formula C4H4ClNOS and a molecular weight of 149.60 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Cefmetazole Impurity 21 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H4ClNOS |
| Molecular Weight | 149.60 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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.) | 1971 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Cefmetazole Standards
- Cefmetazole Impurity 48 (CAS 310466-38-7)
- Cefmetazole Impurity 58 (CAS CATO-C4X-150758)
- Cefmetazole Impurity 11 (CAS 55817-29-3)
- Cefmetazole Impurity 31 (CAS 55862-52-7)
- Cefmetazole Impurity 46 (CAS 17347-32-9)
- Cefmetazole Impurity 47 (CAS 4923-87-9)
- Cefmetazole Impurity 20 (Chloroacetonitrile) (CAS 107-14-2)
- Cefmetazole impurity 75 (CAS 62671-38-9)
Recommended Standards
- 5-Chloro-N-methyl-1,3,4-thiadiazol-2-amine (CAS 68429-94-7)
- 5-Chloro-2-Methyl-4-Isothiazolin-3-One (CAS 26172-55-4)
- 5-Chloro-3-(methylthio)-1H-1,2,4-triazole (CAS 51108-40-8)
- 5-chloro-3-methylpyrazin-2-amine (CAS 1001050-30-1)
- Silver Carbonate-13C (CAS 85323-65-5)
- 1-(1-Ethoxy-3-methylcyclohexyl)-N-methylmethanamine (CAS 1250838-89-1)
- 4,4-Dibromo-2,2-bipyridine (CAS 18511-71-2)
- 6-Benzyl-2-(3-bromobenzylidene)-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione (CAS 463367-08-0)
- 2-((2R,3R,4s,5S)-cuban-1-yl)ethan-1-ol (CAS 159011-58-2)
- 4-((Trifluoromethyl)thio)benzo[d]oxazole-2-carbaldehyde (CAS 1806342-63-1)
- 4-Fluoro-2-methyl-3-nitrobenzylamine (CAS 1803853-15-7)
- [3-(trifluoromethyl)phenyl]methanesulfonamide (CAS 919353-96-1)
- Clopyralid-13C2,15N (CAS 1189959-68-9)
- Semaglutide impurity 49 (CAS CATO-C4X-222649)
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 18665070610 / Nicole.chen@cato-chem.com