Methyl 4-hydroxy-1,3-dimethyl-1H-pyrazole-5-carboxylate CAS 166315-80-6
| CAS No. | 166315-80-6 |
| Molecular Formula | C7H10N2O3 |
| Molecular Weight | 170.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Methyl 4-hydroxy-1,3-dimethyl-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.
Methyl 4-hydroxy-1,3-dimethyl-1H-pyrazole-5-carboxylate (CAS 166315-80-6) is a high-purity analytical reference standard with the molecular formula C7H10N2O3 and a molecular weight of 170.17 g/mol.
Based on its molecular formula C7H10N2O3, Methyl 4-hydroxy-1,3-dimethyl-1H-pyrazole-5-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 170.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C7H10N2O3 |
| Molecular Weight | 170.17 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, water |
| 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.) | 2004 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 6-Hydroxy-5-(2-hydroxyethyl)-1-methylpyrimidin-2(1H)-one (CAS 1142201-85-1)
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- Ethyl 5-hydroxy-3-methyl-1H-pyrazole-4-carboxylate (CAS 125732-40-3)
- 2-Hydroxy-2-methyl-3-(1H-pyrazol-1-yl)propanoic acid (CAS 1342249-39-1)
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Recommended Standards
- 5-(Hydroxymethyl)-N,N-dimethylisoxazole-3-carboxamide (CAS 1638535-29-1)
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- N-methoxy-N,4-dimethyloxazole-5-carboxamide (CAS 162818-60-2)
- 3-(5-Amino-3-methylisoxazol-4-yl)propanoic acid (CAS 170312-25-1)
- 2-Chloro-N-ethyl-N-(4-fluorophenyl)acetamide (CAS 160980-60-9)
- N-((3,5-bis(trifluoromethyl)phenyl)carbamoyl)-4-methylbenzenesulfonamide (CAS 748147-58-2)
- 4-methyl-2-(4-nitrophenyl)-1,3-thiazole (CAS 109029-42-7)
- 1-Chlorooctan-4-one (CAS 80086-19-7)
- 2-Chloro-4-[(4-methylphenyl)sulfanyl]pyrimidine (CAS 213747-65-0)
- (3S)-3-(((Benzyloxy)carbonyl)amino)-2-hydroxyhexanoic acid (CAS 402959-33-5)
- 1-Benzyl-2-[2-(1-methyl-2-pyrrolyl)ethyl]-1H-benzoimidazole (CAS 1242165-91-8)
- 2-Bromo-4,4'-dimethyl-1,1'-biphenyl (CAS 132462-55-6)
- 5-Bromo-4-fluoro-2-methoxyphenol (CAS 1364606-67-6)
- D-Ile17-Tirzepatide (CAS CATO-CPTD788917)
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