Ethyl 1-benzyl-3-(tert-butyl)-1H-pyrazole-5-carboxylate CAS 175277-04-0
| CAS No. | 175277-04-0 |
| Molecular Formula | C17H22N2O2 |
| Molecular Weight | 286.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 1-benzyl-3-(tert-butyl)-1H-pyrazole-5-carboxylate.
CATO supplies Ethyl 1-benzyl-3-(tert-butyl)-1H-pyrazole-5-carboxylate (CAS 175277-04-0), a certified reference material (molecular formula C17H22N2O2, MW 286.37 g/mol) for analytical method development and quality control.
Structurally, Ethyl 1-benzyl-3-(tert-butyl)-1H-pyrazole-5-carboxylate (C17H22N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 286.37 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Ethyl 1-benzyl-3-(tert-butyl)-1H-pyrazole-5-carboxylate 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 | C17H22N2O2 |
| Molecular Weight | 286.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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.) | 2007 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 4-Methoxycarbonylphenylboronic acid pinacol ester (CAS 17136-80-0)
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- 3-(1-Isobutyrylpiperidin-4-yl)indolin-2-one (CAS 1790462-43-9)
- 2-Fluoro-5-((5-oxo-1,2,3,4,5,6-hexahydropyrido[2,3-d]pyridazin-8-yl)methyl)benzoic acid (CAS 1036403-32-3)
- Methyl 5-(3-carbamoylphenyl)pyridine-2-carboxylate (CAS 1820614-23-0)
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