5-Chloro-3-(methylthio)-1,2,4-triazine-6-carboxylic acid CAS 2167940-73-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2167940-73-8 |
| Molecular Formula | C5H4ClN3O2S |
| Molecular Weight | 205.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Chloro-3-(methylthio)-1,2,4-triazine-6-carboxylic acid (CAS 2167940-73-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H4ClN3O2S. Molecular weight: 205.62 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H4ClN3O2S |
| Molecular Weight | 205.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 4-Chloro-2-(methylthio)-5-nitropyrimidine (CAS 1421691-20-4)
- 1-(5-Chloro-4-nitrothiophen-2-yl)ethan-1-one (CAS 42456-75-7)
- 2-Chloro-4,7-difluorobenzo[d]thiazole (CAS 1177320-67-0)
- (R)-1-(4-Chloro-2,5-difluorophenyl)propan-1-amine (CAS 1212820-37-5)
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- 3-Chloro-2,4-difluorophenylisothiocyanate (CAS 1713163-05-3)
- 4-Chloro-2,6-difluorophenylisothiocyanate (CAS 1823834-97-4)
Recommended Standards
- 3-Chloro-5-phenylpyrazin-2-amine (CAS 1001050-27-6)
- rel-3,4-Difluoropyrrolidine-1-sulfonyl chloride (CAS 2754410-05-2)
- 6-Chloro-N-phenylpyridazin-3-amine (CAS 1014-78-4)
- N-(3,4-dimethylbenzyl)cyclobutanamine (CAS 1249107-70-7)
- 3-[4-(4-methoxyphenyl)piperazin-1-yl]propan-1-amine (CAS 40255-50-3)
- (2R,4R,5S)-4-tert-Butyl 2-methyl 5-phenylpyrrolidine-2,4-dicarboxylate (CAS 603958-80-1)
- Ethyl 4-bromo-3-hydroxy-5-methylbenzoate (CAS 382150-26-7)
- 4-(3-Fluoro-4-methylbenzoyl)-3-hydroxy-5-phenyl-1-(pyridin-3-ylmethyl)-1H-pyrrol-2(5H)-one (CAS 618073-94-2)
- Methyl 3-nitro-4-[4-(2,4,6-trimethylbenzenesulfonyl)piperazin-1-yl]benzoate (CAS 478246-60-5)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com