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· · COA & SDS available for every product · Same-day shipping on in-stock items 1-(1-Methyl-1H-pyrazol-5-yl)ethanone - ≥95% , CAS No.137890-05-2
Synonyms
SY005764 | 5-acetyl-1-methylpyrazole | UXNMMULCZUAIHE-UHFFFAOYSA-N | AKOS000307599 | Z1183445308 | Ethanone, 1-(1-methyl-1H-pyrazol-5-yl)- (9CI) | A24834 | 1-(2-Methyl-2H-pyrazol-3-yl)ethanone | 1-(2-Methyl-2H-pyrazol-3-yl)-ethanone | STK346764 | AB90120
Storage
Store at 2-8°C,Argon charged
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Why this grade ≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Store at 2-8°C,Argon charged Ships Wet ice 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
SY005764 | 5-acetyl-1-methylpyrazole | UXNMMULCZUAIHE-UHFFFAOYSA-N | AKOS000307599 | Z1183445308 | Ethanone, 1-(1-methyl-1H-pyrazol-5-yl)- (9CI) | A24834 | 1-(2-Methyl-2H-pyrazol-3-yl)ethanone | 1-(2-Methyl-2H-pyrazol-3-yl)-ethanone | STK346764 | AB90120
Specifications & Purity
≥95%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Names and Identifiers Canonical Smiles CC(=O)C1=CC=NN1C IUPAC Name 1-(2-methylpyrazol-3-yl)ethanone InChIKey UXNMMULCZUAIHE-UHFFFAOYSA-N INCHI 1S/C6H8N2O/c1-5(9)6-3-4-7-8(6)2/h3-4H,1-2H3 Isomeric SMILES CC(=O)C1=CC=NN1C Molecular Weight 124.14 Reaxy-Rn 5329401 Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=5329401&ln=
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 Organic oxygen compounds Class Organooxygen compounds Subclass Carbonyl compounds Intermediate Tree Nodes Ketones - Aryl ketones Direct Parent Aryl alkyl ketones Alternative Parents Pyrazoles Heteroaromatic compounds Azacyclic compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives Molecular Framework Aromatic heteromonocyclic compounds Substituents Aryl alkyl ketone - Heteroaromatic compound - Pyrazole - Azole - Azacycle - Organoheterocyclic compound - Organic nitrogen compound - Organic oxide - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound Description This compound belongs to the class of organic compounds known as aryl alkyl ketones. These are ketones have the generic structure RC(=O)R', where R = aryl group and R'=alkyl 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 Molecular Weight 124.140 g/mol XLogP3 0.300 Hydrogen Bond Donor Count 0 Hydrogen Bond Acceptor Count 2 Rotatable Bond Count 1 Exact Mass 124.064 Da Monoisotopic Mass 124.064 Da Topological Polar Surface Area 34.900 Ų Heavy Atom Count 9 Formal Charge 0 Complexity 124.000 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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