4-Iodo-1-(methylsulfonyl)-1H-pyrazole CAS 1657012-45-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1657012-45-7 |
| Molecular Formula | C4H5IN2O2S |
| Molecular Weight | 272.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Iodo-1-(methylsulfonyl)-1H-pyrazole (CAS 1657012-45-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H5IN2O2S. Molecular weight: 272.06 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H5IN2O2S |
| Molecular Weight | 272.06 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Iodo Standards
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- 4-(3-IODO-1H-PYRAZOL-4-YL)PYRIMIDINE (CAS 1111638-50-6)
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Recommended Standards
- 1-((5-Bromofuran-2-yl)methyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1458404-84-6)
- 1-Fluoro-4-iodonaphthalene (CAS 17318-09-1)
- 1-Fluoro-7-iodonaphthalene (CAS 1261684-00-7)
- (R)-5-((tert-Butyldimethylsilyl)oxy)-2-methylpentan-1-amine (CAS 2573871-29-9)
- Methyl 3-{[(3-methyl-5-oxo-1-phenyl-1,5-dihydro-4H-pyrazol-4-yliden)methyl]amino}-2-thiophenecarboxylate (CAS 1025619-73-1)
- potassium 4-methyl-5-(2-phenylethyl)-4H-1,2,4-triazole-3-sulfonate (CAS 1864063-19-3)
- (E)-1-phenyl-1H-1,2,3-triazole-4-carbaldehyde O-(4-chlorobenzyl) oxime (CAS 338757-48-5)
- 3-Amino-1,1,1-trifluoro-2-phenylpropan-2-ol (CAS 561007-08-7)
- Tert-butyl (S)-(3-hydroxy-1-(methoxy(methyl)amino)-1-oxopropan-2-yl)carbamate (CAS 122709-20-0)
- Tirzepatide Impurity 61 (CAS CATO-C4X-324061)
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