Ethyl 5-amino-3-(methylthio)-1-phenyl-1H-pyrazole-4-carboxylate CAS 40745-03-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40745-03-7 |
| Molecular Formula | C12H13N3O2S |
| Molecular Weight | 263.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 5-amino-3-(methylthio)-1-phenyl-1H-pyrazole-4-carboxylate (CAS 40745-03-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H13N3O2S. Molecular weight: 263.32 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H13N3O2S |
| Molecular Weight | 263.32 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
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Recommended Standards
- Ethyl 5-amino-2-(phenylamino)thiazole-4-carboxylate (CAS 86998-80-3)
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- Ethyl (5-benzyl-1,3,4-thiadiazol-2-yl)carbamate (CAS 62441-45-6)
- 4-(Aminomethyl)-2-bromo-5-(difluoromethyl)nicotinic acid (CAS 1805352-50-4)
- 4-(2-Chloroacetamido)benzamide (CAS 85126-67-6)
- 5-(4-(Benzyloxy)phenyl)-4-(furan-2-carbonyl)-3-hydroxy-1-((tetrahydrofuran-2-yl)methyl)-1H-pyrrol-2(5H)-one (CAS 618072-41-6)
- 7-(hydroxymethyl)-5H-pyrimido[2,1-b][1,3]thiazol-5-one (CAS 85811-77-4)
- 4-Allyl-5-(5-methylthiophen-3-yl)-4H-1,2,4-triazole-3-thiol (CAS 588680-35-7)
- 4-(2,4-Difluorophenyl)-2-methylthiomorpholine-3,5-dione (CAS 344265-29-8)
- Calcitonin C-Terminal Flanking Peptide (human) XTFA (CAS 85916-47-8（free base）)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com