Cefixime Impurity C68 CAS 74440-05-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 74440-05-4 |
| Molecular Formula | C7H7N3O5S |
| Molecular Weight | 245.21 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cefixime Impurity C68 (CAS 74440-05-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C7H7N3O5S. Molecular weight: 245.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H7N3O5S |
| Molecular Weight | 245.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Cefixime Standards
- Cefixime Impurity 15 (CAS 84080-70-6)
- Cefixime Impurity 83 (CAS CATO-C4X-113983)
- Cefixime Impurity 78 (CAS CATO-C4X-113978)
- Cefixime Impurity 9 (CAS 80544-17-8)
- Cefixime Impurity C17 (CAS 84080-68-2)
- Cefixime Impurity 44 (CAS CATO-C4X-113944)
- Cefixime Impurity 99 (CAS CATO-C4X-113999)
- Cefixime Impurity 73 (CAS CATO-C4X-121073)
Recommended Standards
- N-(4-cyano-3-methylisoxazol-5-yl)-4-fluorobenzamide (CAS 478033-14-6)
- 4-Amino-1-[(2R,3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one (CAS 10212-20-1)
- Ethyl [(5-nitro-1,3-thiazol-2-yl)amino](oxo)acetate (CAS 89792-36-9)
- Dienogest EP Impurity C (CAS 106111-42-6)
- Fluconazole Impurity 70 (CAS 70890-80-1)
- Diethylether (CAS 60-29-7)
- (2-(6-(Dimethylamino)-5-methylpyridin-3-yl)pyrrolidin-1-yl)(phenyl)methanone (CAS 1352539-07-1)
- 6-Methylheptanol (CAS 1653-40-3)
- N-(4-Amino-6,7-dimethoxyquinazol-2-yl)-N-(methyl-d3)-2-cyanoethylamine (CAS 1185144-54-0)
- Neuroendocrine Regulatory Peptide-1 (human) (H-6622.1000) (CAS 954420-50-9)
Why CATO?
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