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· · COA & SDS available for every product · Same-day shipping on in-stock items 1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester - ≥97% , CAS No.903550-26-5
Synonyms
MFCD09037501 | SCHEMBL365094 | 1-(TETRAHYDROPYRAN-2-YL)-5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE | STL557688 | EC 640-188-7 | Z1741971446 | BBL103878 | LKLSFDWYIBUGNT-UHFFFAOYSA-N | A843526 | 1-(Oxan-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-d
Storage
Store at 2-8°C,Argon charged
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Why this grade ≥97% 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.
Overview Product Application：
1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester can be used as a reactant:
In Suzuki coupling reaction for the preparation of heteroaryl scaffolds via formation of C-C bond.
To synthesize darolutamide derivatives as potential androgen receptor inhibitors.
Specifications Synonyms
MFCD09037501 | SCHEMBL365094 | 1-(TETRAHYDROPYRAN-2-YL)-5-(4, 4, 5, 5-TETRAMETHYL-1, 3, 2-DIOXABOROLAN-2-YL)-1H-PYRAZOLE | STL557688 | EC 640-188-7 | Z1741971446 | BBL103878 | LKLSFDWYIBUGNT-UHFFFAOYSA-N | A843526 | 1-(Oxan-2-yl)-5-(4, 4, 5, 5-tetramethyl-1, 3, 2-d
Specifications & Purity
≥97%
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 Pubchem Sid 488197606 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/488197606 Canonical Smiles B1(OC(C(O1)(C)C)(C)C)C2=CC=NN2C3CCCCO3 IUPAC Name 1-(oxan-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole InChIKey ZZRFDLHBMBHJTI-UHFFFAOYSA-N INCHI 1S/C14H23BN2O3/c1-13(2)14(3,4)20-15(19-13)11-8-9-16-17(11)12-7-5-6-10-18-12/h8-9,12H,5-7,10H2,1-4H3 Isomeric SMILES B1(OC(C(O1)(C)C)(C)C)C2=CC=NN2C3CCCCO3 WGK Germany 3 PubChem CID 11587208 Molecular Weight 278.16
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 Oxanes Subclass Not available Intermediate Tree Nodes Not available Direct Parent Oxanes Alternative Parents Pyrazoles Heteroaromatic compounds Dioxaborolanes Boronic acid esters Oxacyclic compounds Organic metalloid salts Azacyclic compounds Organopnictogen compounds Organooxygen compounds Organonitrogen compounds Organometalloid compounds Hydrocarbon derivatives Molecular Framework Aromatic heteromonocyclic compounds Substituents Oxane - Azole - Boronic acid ester - 1,3,2-dioxaborolane - Pyrazole - Heteroaromatic compound - Boronic acid derivative - Azacycle - Organic metalloid salt - Oxacycle - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Organic metalloid moeity - Hydrocarbon derivative - Organopnictogen compound - Organic oxygen compound - Aromatic heteromonocyclic compound Description This compound belongs to the class of organic compounds known as oxanes. These are compounds containing an oxane (tetrahydropyran) ring, which is a six-member saturated aliphatic heterocycle with one oxygen atom and five carbon atoms. 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 Solubility Soluble in Methanol Sensitivity Air Sensitive,Heat Sensitive Melt Point(°C) 74-78°C Molecular Weight 278.160 g/mol XLogP3 Hydrogen Bond Donor Count 0 Hydrogen Bond Acceptor Count 4 Rotatable Bond Count 2 Exact Mass 278.18 Da Monoisotopic Mass 278.18 Da Topological Polar Surface Area 45.500 Ų Heavy Atom Count 20 Formal Charge 0 Complexity 348.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 0 Undefined Atom Stereocenter Count 1 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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