Sodium 1-methyl-1H-pyrazole-4-sulfinate CAS 1138034-18-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1138034-18-0 |
| Molecular Formula | C4H5N2O2S Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Sodium 1-methyl-1H-pyrazole-4-sulfinate (CAS 1138034-18-0) pharmaceutical standards reference standard. Molecular formula: C4H5N2O2S Na. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H5N2O2S Na |
| Molecular Weight | 168.15 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-Methylheptanoic acid (CAS 3302-03-2)
- 4-Chloro-3-fluorophenylzinc iodide 0.5 M in Tetrahydrofuran (CAS 312693-42-8)
- tert-Butyl 1H-pyrrolo[2,3-b]pyridin-6-ylcarbamate (CAS 1346447-43-5)
- N-(1-(Thiophen-2-ylsulfonyl)-1,2,3,4-tetrahydroquinolin-7-yl)acetamide (CAS 898413-80-4)
- (3',4-Dihexyl-[2,2'-bithiophen]-5-yl)boronic acid (CAS 1203680-98-1)
- 1-(3-Fluorophenyl)-4-methylpentan-1-amine (CAS 1249221-77-9)
- Liraglutide Impurity 16 TFA Salt (CAS CATO-C4X-199216)
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