5-Chlorothiophene-2-carbothioamide CAS 85347-12-2
| CAS No. | 85347-12-2 |
| Molecular Formula | C5H4ClNS2 |
| Molecular Weight | 177.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 177.67 g/mol gives 5-Chlorothiophene-2-carbothioamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Chlorothiophene-2-carbothioamide (CAS 85347-12-2), molecular formula C5H4ClNS2 and molecular weight 177.67 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Chlorothiophene-2-carbothioamide (C5H4ClNS2) contains a nitrile group, sulfur-containing functionality, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 177.67 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 5-Chlorothiophene-2-carbothioamide 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 | C5H4ClNS2 |
| Molecular Weight | 177.67 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Chlorothiophene Standards
- 4-Chlorothiophene-2-carbohydrazide (CAS 1263212-33-4)
- 3-Chlorothiophene-2-carbohydrazide (CAS 478483-31-7)
- 5-Chlorothiophene-2-carbohydrazide (CAS 351983-31-8)
- Methyl 2-chlorothiophene-3-carboxylate (CAS 76360-42-4)
- Methyl 3-chlorothiophene-2-carboxylate (CAS 88105-17-3)
- Methyl 4-chlorothiophene-3-carboxylate (CAS 88770-14-3)
- methyl 4-chlorothiophene-2-carboxylate (CAS 88105-19-5)
- methyl 5-chlorothiophene-3-carboxylate (CAS 36157-43-4)
Recommended Standards
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- n-Butyl-2-chloro-n-ethylacetamide (CAS 2567-58-0)
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Why CATO?
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