5-Amino-3-(methylthio)-1H-pyrazole CAS 117736-74-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 117736-74-0 |
| Molecular Formula | C4H7N3S |
| Molecular Weight | 129.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Amino-3-(methylthio)-1H-pyrazole (CAS 117736-74-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H7N3S. Molecular weight: 129.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H7N3S |
| Molecular Weight | 129.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-ethenyl-5-fluoropyridine (CAS 1133879-69-2)
- S-(2-Cyanoethyl) ethanethioate (CAS 119174-33-3)
- 5-ethenyl-2-fluoro-pyridine (CAS 1133879-66-9)
- Methyl 3-((naphthalen-2-yloxy)methyl)benzoate (CAS 438464-66-5)
- 4-Cyano-2-(difluoromethyl)-6-methoxynicotinoyl chloride (CAS 1804413-13-5)
- 2,2'-Disulfanediylbis(4-methylaniline) (CAS 31183-91-2)
- Monobutyl Sulfate (CAS 15507-13-8)
- 2-(Difluoromethoxy)-3-iodonitrobenzene (CAS 1261499-84-6)
- Allyl 2-hydroxy-2-phenylacetate (CAS 6282-41-3)
- Tirzepatide Impurity 11 TFA salt (CAS CATO-C4X-324011)
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