5-Chloropyrazine-2-carbothioamide CAS 21279-69-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21279-69-6 |
| Molecular Formula | C5H4ClN3S |
| Molecular Weight | 173.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloropyrazine-2-carbothioamide (CAS 21279-69-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H4ClN3S. Molecular weight: 173.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H4ClN3S |
| Molecular Weight | 173.62 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloropyrazine Standards
- 6-Chloropyrazine-2-carbothioamide (CAS 61689-61-0)
- 5-Chloropyrazine-2-carboxylic acid hydrazide (CAS 848952-83-0)
- Methyl 3-Chloropyrazine-2-carboxylate (CAS 27825-21-4)
- 5-chloropyrazine-2,3-dicarbonitrile (CAS 72111-57-0)
- 3-Chloropyrazine-2-carbonyl chloride (CAS 90361-99-2)
- 3-Chloropyrazine-2,5-dicarbonitrile (CAS 918410-50-1)
- 6-chloropyrazine-2-carbonyl chloride (CAS 148673-71-6)
- 5-chloropyrazine-2-carbonyl chloride (CAS 88625-23-4)
Recommended Standards
- 4-Chloro-2-fluoro-N,N-dimethylaniline (CAS 914635-85-1)
- 3-Chloro-4-fluoro-N-methylbenzylamine (CAS 381236-43-7)
- N-(2-Chloro-6-fluorobenzyl)-N -methylamine (CAS 62924-64-5)
- 4-(3-Amino-4-bromo-1h-pyrazol-1-yl)-N-methylbutanamide (CAS 1339412-35-9)
- 2-(4-Hydroxyphenyl)-4-methylpentan-3-one (CAS 111873-62-2)
- Ethyl 3-fluoro-3'-hydroxy-4'-methyl-[1,1'-biphenyl]-4-carboxylate (CAS 1261934-99-9)
- 2-(3,5-Dimethylpyrazol-1-yl)-4,6-dimethylpyrimidine (CAS 4086-61-7)
- 7-bromo-1H-thieno[3,2-d]pyrimidine-2,4-dione (CAS 41102-02-7)
- N-(pyridin-4-ylmethyl)naphthalene-2-sulfonamide (CAS 324776-06-9)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
Why CATO?
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