2-Chloro-3-(methylsulfonyl)pyrazine CAS 1209459-15-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1209459-15-3 |
| Molecular Formula | C5H5ClN2O2S |
| Molecular Weight | 192.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Chloro-3-(methylsulfonyl)pyrazine (CAS 1209459-15-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H5ClN2O2S. Molecular weight: 192.62 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H5ClN2O2S |
| Molecular Weight | 192.62 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- ethyl 4-chloro-1,2,5-thiadiazole-3-carboxylate (CAS 1048982-04-2)
- 4-chloro-5-fluoro-1H,2H,3H-pyrrolo[2,3-b]pyridin-2-one (CAS 1190315-74-2)
- 2-Chloro-4-(methylsulfonyl)pyrimidine (CAS 1233026-31-7)
- 5-Chloro-4-methoxythiophene-3-carboxylic acid (CAS 133659-14-0)
- Ethyl 5-chloro-1,2,4-thiadiazole-3-carboxylate (CAS 1346147-95-2)
- 4-Chloro-3-methoxythiophene-2-carboxylic acid (CAS 1508708-17-5)
- 2-chloro-1-[1-(fluoromethyl)-2-oxabicyclo[2.1.1]hexan-4-yl]ethanone (CAS 2573212-76-5)
- 2-Chloro-5-(methylsulfonyl)pyrimidine (CAS 321565-33-7)
Recommended Standards
- Pyrimidin-4-ylmethanesulfonyl chloride (CAS 1196155-51-7)
- Methyl 2-amino-4-chloro-1,3-thiazole-5-carboxylate (CAS 1249526-47-3)
- 6-Methylpyridazine-3-sulfonyl chloride (CAS 1250556-77-4)
- D-(-)-3-phosphoglyceric Acid (CAS 3443-58-1)
- N-Ethyl-4-nitro-N-phenylaniline (CAS 51451-83-3)
- 3-Amino-6-methoxy-5-azaindole dihydrochloride (CAS 1352393-57-7)
- (S)-2-(3,5-dibromophenyl)pyrrolidine (CAS 1241679-43-5)
- N-(3,3-Diethoxypropyl)-1-(6-methylpyridin-2-yl)-1H-imidazole-4-carboxamide (CAS 477890-26-9)
- N-{[4-(Benzyloxy)phenyl]methyl}-N-[(3-fluorophenyl)methyl]-4-phenoxybenzene-1-sulfonamide (CAS 1253528-00-5)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
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