4-Methylthiazole-2-sulfonyl fluoride CAS 1935953-45-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1935953-45-9 |
| Molecular Formula | C4H4FNO2S2 |
| Molecular Weight | 181.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methylthiazole-2-sulfonyl fluoride (CAS 1935953-45-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H4FNO2S2. Molecular weight: 181.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H4FNO2S2 |
| Molecular Weight | 181.21 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, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Methylthiazole Standards
- 4-Methylthiazole-5-sulfonic acid (CAS 114389-49-0)
- 2-Methylthiazole-4-sulfonamide (CAS 1849210-80-5)
- 2-Methylthiazole-5-sulfonamide (CAS 519055-67-5)
- 2-Ethyl-4-methylthiazole-5-carbohydrazide (CAS 496057-26-2)
- 2-Benzyl-4-methylthiazole (CAS 7210-74-4)
- 5-Ethyl-2-methylthiazole-4-carboxylic acid (CAS 113366-74-8)
- 2-Ethyl-5-methylthiazole-4-carboxylic acid (CAS 113366-76-0)
- 4-Ethyl-2-methylthiazole-5-carboxylic acid (CAS 119778-44-8)
Recommended Standards
- 4-(3-Fluorophenyl)pyrrolidin-3-ol (CAS 1935505-90-0)
- 4-(4-Fluorophenyl)pyrrolidin-3-ol (CAS 1936182-09-0)
- 4-Toluenesulfonyl cyanide (CAS 19158-51-1)
- 2-Bromo-3-difluoromethoxy-5-(trifluoromethyl)aniline (CAS 1805520-04-0)
- 3,3'-(Perfluoropropane-2,2-diyl)bis(nitrobenzene) (CAS 64465-34-5)
- (2S,4S)-Methyl 4-acetamido-5-oxopyrrolidine-2-carboxylate (CAS 254909-26-7)
- 7-Methyl-[1,2,4]triazolo[4,3-c]pyrimidine (CAS 69141-72-6)
- N-(4-(2,4-dichlorophenyl)thiazol-2-yl)-2-((2,5-dimethylphenyl)sulfinyl)acetamide (CAS 338965-94-9)
- 2-Propanol, 1-phenoxy-, (2S)- (CAS 130879-97-9)
- D-allo-Thr7-Semaglutide (CAS CATO-C4X-2226242)
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