4-Formyl-1h-pyrazole-1-carbothioamide CAS 132906-74-2
| CAS No. | 132906-74-2 |
| Molecular Formula | C5H5N3OS |
| Molecular Weight | 155.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Formyl-1h-pyrazole-1-carbothioamide (CAS 132906-74-2), a certified reference material (molecular formula C5H5N3OS, MW 155.18 g/mol) for analytical method development and quality control.
4-Formyl-1h-pyrazole-1-carbothioamide (C5H5N3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 4-Formyl-1h-pyrazole-1-carbothioamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H5N3OS |
| Molecular Weight | 155.18 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 3-Methyl-4-thiocyanatoisoxazol-5-amine (CAS 140454-86-0)
- 5-(Ethoxymethyl)-8-hydroxyquinoline Hydrochloride (CAS 1418117-78-8)
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- Nintedanib Impurity 7 (CAS 2653-16-9)
- Ethyl 4-hydroxy-1-(4-(methoxycarbonyl)phenyl)-1H-pyrazole-3-carboxylate (CAS 379236-28-9)
- Diethyl 3-hydroxy-1-methyl-5-phenyl-1H-pyrrole-2,4-dicarboxylate (CAS 55404-20-1)
- 2-(Decahydroquinolin-1-yl)Ethylamine dihydrochloride (CAS 1221723-56-3)
- 2,4,5-Trimethyl-3-pyridinol, >98% (CAS 5622-78-6)
- 2-(4-Methoxy-1-piperidyl)ethanamine (CAS 911300-69-1)
- Endo-Pro36-Tirzepatide (CAS CATO-CPTD788688)
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 18665070610 / Nicole.chen@cato-chem.com