4-Hydroxybutan-2-yl 1H-pyrazole-4-carboxylate CAS 782501-73-9
| CAS No. | 782501-73-9 |
| Molecular Formula | C8H12N2O3 |
| Molecular Weight | 184.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Hydroxybutan-2-yl 1H-pyrazole-4-carboxylate 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.
CATO supplies 4-Hydroxybutan-2-yl 1H-pyrazole-4-carboxylate (CAS 782501-73-9), a certified reference material (molecular formula C8H12N2O3, MW 184.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H12N2O3, 4-Hydroxybutan-2-yl 1H-pyrazole-4-carboxylate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 184.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C8H12N2O3 |
| Molecular Weight | 184.19 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, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
Related Hydroxybutan Standards
- 5-(2-Hydroxybutan-2-yl)-1,3,5-triazinane-2-thione (CAS 199107-69-2)
- 3-((3-Hydroxybutan-2-yl)amino)thietane 1,1-dioxide (CAS 1862057-75-7)
- (R)-3-((1-hydroxybutan-2-yl)amino)thietane 1,1-dioxide (CAS 1867542-11-7)
- 3-((1-Hydroxybutan-2-yl)amino)thietane 1,1-dioxide (CAS 1871685-81-2)
- 3-(((1-Hydroxybutan-2-yl)amino)methyl)phenol (CAS 1038236-60-0)
- 2-(((1-Hydroxybutan-2-yl)amino)methyl)phenol (CAS 765212-40-6)
- 1-(1-Hydroxybutan-2-yl)-5-oxopyrrolidine-3-carboxylic acid (CAS 887360-40-9)
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Recommended Standards
- 4-Hydroxy-8-methylquinoline-3-carbonitrile (CAS 61338-31-6)
- 4-Methoxy-2-oxocyclohex-3-en-1-yl acetate (CAS 366024-06-8)
- 4-Hydroxy-6-methylquinoline-3-carbonitrile (CAS 61338-30-5)
- 4-Methoxyquinoline-2-carbonitrile (CAS 36726-69-9)
- 1-Phenyl-4-[3-(trifluoromethyl)pyridine-2-carbonyl]piperazine (CAS 1092346-39-8)
- 2,2',3,3',4',5-Hexachloro-4-biphenylol (CAS 158076-62-1)
- 2-(2-Chloropyridin-3-yl)-4-phenylthiazole (CAS 1431728-44-7)
- Glucagon receptor antagonist I (CAS 438618-32-7)
- Tebipenem Impurity 15 (CAS 161715-28-2)
- Ursodeoxycholic Acid Impurity 119 (CAS 1024498-33-6)
- (2-Methoxybenzoyl) 2-methoxybenzoate (CAS 64508-50-5)
- (2Z)-N-[4-(1H-1,3-Benzodiazol-2-yl)phenyl]-2-[(3-methoxyphenyl)imino]-2H-chromene-3-carboxamide (CAS 478342-66-4)
- Ethyl 7-hydroxytetrazolo[1,5-a]pyrimidine-6-carboxylate (CAS 1778637-73-2)
- D-Ile27-Tirzepatide (CAS CATO-CPTD788907)
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