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· · COA & SDS available for every product · Same-day shipping on in-stock items Methyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate - ≥97% , CAS No.51985-95-6
Synonyms
5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acidmethyl ester | DTXSID80318978 | methyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate | 1H-Pyrazole-3-carboxylic acid, 5-hydroxy-1-methyl-, methyl ester | NSC338308 | NSC-338308 | AKOS006278493 | MFCD01851055
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Why this grade ≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Room temperature Ships Normal Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acidmethyl ester | DTXSID80318978 | methyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate | 1H-Pyrazole-3-carboxylic acid, 5-hydroxy-1-methyl-, methyl ester | NSC338308 | NSC-338308 | AKOS006278493 | MFCD01851055
Specifications & Purity
≥97%
Names and Identifiers Pubchem Sid 488189527 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/488189527 Canonical Smiles CN1C(=O)C=C(N1)C(=O)OC IUPAC Name methyl 2-methyl-3-oxo-1H-pyrazole-5-carboxylate InChIKey LWNUKBMQSHAGKD-UHFFFAOYSA-N INCHI 1S/C6H8N2O3/c1-8-5(9)3-4(7-8)6(10)11-2/h3,7H,1-2H3 Isomeric SMILES CN1C(=O)C=C(N1)C(=O)OC WGK Germany 3 PubChem CID 334058 Molecular Weight 156.14
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Taxonomic Classification Kingdom Organic compounds Superclass Organoheterocyclic compounds Class Azoles Subclass Pyrazoles Intermediate Tree Nodes Not available Direct Parent Pyrazole carboxylic acids and derivatives Alternative Parents Pyrazolones Vinylogous amides Methyl esters Heteroaromatic compounds Lactams Azacyclic compounds Organooxygen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives Molecular Framework Aromatic heteromonocyclic compounds Substituents Pyrazole-5-carboxylic acid or derivatives - Pyrazole-3-carboxylic acid or derivatives - Pyrazolinone - Methyl ester - Vinylogous amide - Heteroaromatic compound - Lactam - Carboxylic acid ester - Carboxylic acid derivative - Azacycle - Organic oxide - Organic oxygen compound - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Hydrocarbon derivative - Aromatic heteromonocyclic compound Description This compound belongs to the class of organic compounds known as pyrazole carboxylic acids and derivatives. These are heterocyclic compounds containing a pyrazole ring in which a hydrogen atom is replaced by a carboxylic acid group. External Descriptors Not available Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Melt Point(°C) 195-200°C Molecular Weight 156.140 g/mol XLogP3 0.000 Hydrogen Bond Donor Count 1 Hydrogen Bond Acceptor Count 4 Rotatable Bond Count 2 Exact Mass 156.053 Da Monoisotopic Mass 156.053 Da Topological Polar Surface Area 58.600 Ų Heavy Atom Count 11 Formal Charge 0 Complexity 234.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 0 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 1
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