3-Ethyl-4-methyl-1H-pyrazole-5-carbohydrazide CAS 1397196-51-8
| CAS No. | 1397196-51-8 |
| Molecular Formula | C7H12N4O |
| Molecular Weight | 168.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-Ethyl-4-methyl-1H-pyrazole-5-carbohydrazide (CAS 1397196-51-8), molecular formula C7H12N4O and molecular weight 168.20 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a hydroxyl group, an ether linkage, an aromatic ring system, 3-Ethyl-4-methyl-1H-pyrazole-5-carbohydrazide is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 168.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 3-Ethyl-4-methyl-1H-pyrazole-5-carbohydrazide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H12N4O |
| Molecular Weight | 168.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 4 |
Recommended Standards
- 2-((6-Aminopyrimidin-4-yl)(methyl)amino)ethanol (CAS 1392237-64-7)
- N-(tetrahydro-2H-pyran-4-yl)-4H-1,2,4-triazol-4-amine (CAS 1400636-33-0)
- 3-Amino-1-isopropyl-1H-pyrazole-4-carboxamide (CAS 1379295-04-1)
- 5-Ethyl-1-methyl-1H-pyrazole-3-carbohydrazide (CAS 1415719-49-1)
- 2-(5-Bromo-1H-pyrrolo[2,3-b]pyridin-1-yl)-2-methylpropanoic acid (CAS 2091355-10-9)
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