Faropenem Impurity 18 CAS 153165-72-1
| CAS No. | 153165-72-1 |
| Molecular Formula | C5H8O2S |
| Molecular Weight | 132.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Faropenem Impurity 18 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Faropenem Impurity 18 (CAS 153165-72-1), molecular formula C5H8O2S and molecular weight 132.18 g/mol, is a CATO reference standard with documented purity and traceability.
Faropenem Impurity 18 (C5H8O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
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.
Physical & Chemical Properties
| Molecular Formula | C5H8O2S |
| Molecular Weight | 132.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2000 |
| Sulfur Atoms | 1 |
Related Faropenem Standards
- Faropenem Impurity 42（Oxalyl chloride） (CAS 79-37-8)
- Faropenem Impurity 23 (CAS CATO-C4X-128923)
- Faropenem Impurity 2 (CAS CATO-C4X-12892)
- Faropenem Impurity 68 (CAS 1690457-73-8)
- Faropenem Impurity 69 (CAS CATO-C4X-128969)
- Faropenem Impurity 22 (CAS CATO-C4X-128922)
- Faropenem Impurity 83 (CAS CATO-C4X-128983)
- Faropenem Impurity 80 (CAS CATO-C4X-128980)
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- tert-Butyl (S)-3-amino-3-(3,5-dichlorophenyl)propanoate (CAS 202071-95-2)
- 4-Cyano-4'-ethylbiphenyl (CAS 58743-75-2)
- 2-Isobutyramidothiophene-3-carboxamide (CAS 888413-16-9)
- Tofacitinib Impurity 67 (CAS CATO-C4X-107967)
- 4-Amino-5-[(3,4-dimethylphenoxy)methyl]-4h-1,2,4-triazole-3-thiol (CAS 301-80-4)
- Glyceryl Monolinoleate（Mixture of Isomers） (CAS 26545-74-4)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
Why CATO?
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