1,5-Dimethyl-1H-pyrazole-4-boronic acid,pinacol ester - ≥98%(HPLC) , CAS No.1036991-40-8

CAS: 1036991-40-8 Cat. No.: D165572 Molecular Weight: 222.09 EC Number: 687-722-5
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GRADE & PURITY ≥98%(HPLC)
Synonyms
1,5-dimethyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole | MFCD09864189 | AM802862 | J-504022 | 1,5-Dimethyl-1H-pyrazole-4-boronic acid pinacol ester | D5575 | (1,5-DIMETHYL-1H-PYRAZOL-4-YL)BORONIC ACID PINACOL ESTER | BCP32757 | SY026651 | 1H-Pyr
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
250mg
D165572-250mg
4
$82.90
1g
D165572-1g
4
$119.90
5g
D165572-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$538.90
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Why this grade

≥98%(HPLC) 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
1, 5-dimethyl-4-(tetramethyl-1, 3, 2-dioxaborolan-2-yl)-1H-pyrazole | MFCD09864189 | AM802862 | J-504022 | 1, 5-Dimethyl-1H-pyrazole-4-boronic acid pinacol ester | D5575 | (1, 5-DIMETHYL-1H-PYRAZOL-4-YL)BORONIC ACID PINACOL ESTER | BCP32757 | SY026651 | 1H-Pyr
Specifications & Purity
≥98%(HPLC)
Storage
Room temperature
Shipped In
Normal
Purity
≥98%(HPLC)
Names and Identifiers
Pubchem Sid504770206
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504770206
Canonical SmilesB1(OC(C(O1)(C)C)(C)C)C2=C(N(N=C2)C)C
IUPAC Name1,5-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
InChIKeyZLIQCQOFVHSHPX-UHFFFAOYSA-N
INCHI1S/C11H19BN2O2/c1-8-9(7-13-14(8)6)12-15-10(2,3)11(4,5)16-12/h7H,1-6H3
Isomeric SMILES B1(OC(C(O1)(C)C)(C)C)C2=C(N(N=C2)C)C
Molecular Weight 222.09
Reaxy-Rn 18505464
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=18505464&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassBoronic acid derivatives
SubclassBoronic acid esters
Intermediate Tree Nodes Not available
Direct ParentBoronic acid esters
Alternative Parents Pyrazoles  Heteroaromatic compounds  Dioxaborolanes  Oxacyclic compounds  Organic metalloid salts  Azacyclic compounds  Organooxygen compounds  Organonitrogen compounds  Organometalloid compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Azole - Boronic acid ester - 1,3,2-dioxaborolane - Heteroaromatic compound - Pyrazole - Oxacycle - Organoheterocyclic compound - Organic metalloid salt - Azacycle - Organooxygen compound - Organonitrogen compound - Organic metalloid moeity - Organic nitrogen compound - Organic oxygen compound - Hydrocarbon derivative - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as boronic acid esters. These are compounds comprising the boronic acid ester functional group RN(X)OR' (R,R'=alkyl, aryl; X= any O, N, Hal residue).
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

3 results found

Lot NumberCertificate TypeDateItem
G2303520Certificate of AnalysisApr 03, 2026 D165572
G2303516Certificate of AnalysisApr 03, 2026 D165572
J1922039Certificate of AnalysisMay 13, 2025 D165572
Chemical and Physical Properties
Melt Point(°C)85-89℃
Molecular Weight222.090 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass222.154 Da
Monoisotopic Mass222.154 Da
Topological Polar Surface Area36.300 Ų
Heavy Atom Count16
Formal Charge0
Complexity267.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Solution Calculators
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