4-Chloro-N-(thiazol-2-yl)benzamide CAS 79146-99-9
| CAS No. | 79146-99-9 |
| Molecular Formula | C10H7ClN2OS |
| Molecular Weight | 238.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-Chloro-N-(thiazol-2-yl)benzamide (CAS 79146-99-9), molecular formula C10H7ClN2OS and molecular weight 238.69 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H7ClN2OS, 4-Chloro-N-(thiazol-2-yl)benzamide contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 238.69 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 4-Chloro-N-(thiazol-2-yl)benzamide 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.
Physical & Chemical Properties
| Molecular Formula | C10H7ClN2OS |
| Molecular Weight | 238.69 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
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- (2E)-3-[4-(ethoxycarbonyl)-1-ethyl-2,5-dimethyl-1H-pyrrol-3-yl]acrylic acid (CAS 878218-05-4)
- Cefotiam Impurity 6 (CAS 1628441-02-0)
- 2-(2-Cyano-4-(difluoromethyl)-6-(trifluoromethyl)pyridin-3-yl)acetic acid (CAS 1805505-56-9)
- 1-(4-Methoxybenzyl)-4-methyl-1H-pyrazol-5-amine (CAS 1152526-72-1)
- 4-Methyl-2-(1H-pyrrol-1-yl)-N-((1-(thiazol-2-yl)pyrrolidin-2-yl)methyl)thiazole-5-carboxamide (CAS 1790197-37-3)
- 5-(Ethylsulfonyl)-4-(2-fluorophenyl)-1H-thieno[2,3-c]pyrazol-3-amine (CAS 1713588-62-5)
- 3-Methyl-1,5-pentanediol Diacrylate (CAS 64194-22-5)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
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