3-((Cyanomethyl)sulfonyl)-5-methylisothiazole-4-carbonitrile CAS 339021-05-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 339021-05-5 |
| Molecular Formula | C7H5N3O2S2 |
| Molecular Weight | 227.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-((Cyanomethyl)sulfonyl)-5-methylisothiazole-4-carbonitrile (CAS 339021-05-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H5N3O2S2. Molecular weight: 227.26 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H5N3O2S2 |
| Molecular Weight | 227.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 3-((4-Fluorophenyl)amino)-2,3-dihydrothiophene 1,1-dioxide (CAS 321942-96-5)
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- 2-Pyridin-3-yl-benzoic acid ethyl ester (CAS 225797-25-1)
- 3-Acetoxy-3,4-dimethylbenzophenone (CAS 890099-17-9)
- 2-Hydroxyanthracene-1-carboxylic acid (CAS 113988-32-2)
- 8-Chloro-3-iodoquinoline (CAS 847727-21-3)
- N-(4-((Methylthio)methyl)thiazol-2-yl)-4-(morpholinosulfonyl)benzamide (CAS 942009-72-5)
- Allyl (3'R)-3-bromo-2-oxo-[1,3'-bipyrrolidine]-1'-carboxylate (CAS 209468-19-9)
- 3,3'-oxybis(1,1,1,3,5,5,5-heptamethyltrisiloxane) (CAS 2003-92-1)
- Tau Peptide (274-288) trifluoroacetate salt (CAS 330456-39-8)
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