Skip to the beginning of the images gallery

(5-Methyl-1H-pyrazol-3-yl)boronic acid - 97%, high purity , CAS No.1163248-54-1

COA

Grade & Purity:

≥97%

Cas Number: 1163248-54-1
Molecular Weight: 125.92
PubChem CID: 70701164

In stock

Item Number

M189868

Grouped product items
SKU	Size	Availability	Price
M189868-250mg	250mg	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$62.90
M189868-1g	1g	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$158.90
M189868-5g	5g	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$578.90

View related series

Aromatic heterocyclic compounds (462) Boric acid (41) Pyrazole compounds (95)

Basic Description

Synonyms	5-Methylpyrazole-3-boronic Acid \| B-(5-Methyl-1H-pyrazol-3-yl)boronicacid \| AKOS016007537 \| AKOS015998049 \| Boronicacid,B-(5-methyl-1H-pyrazol-3-yl)- \| FT-0696437 \| (5-Methyl-1H-pyrazol-3-yl)boronic acid \| EN300-1600891 \| 1163248-54-1 \| PB39706 \| (3-methy
Specifications & Purity	≥97%
Storage Temp	Store at -20°C
Shipped In	Ice chest + Ice pads This product requires cold chain shipping. Ground and other economy services are not available.

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organoheterocyclic compounds
  - Class Azoles
    - Subclass Pyrazoles

Kingdom	Organic compounds
Superclass	Organoheterocyclic compounds
Class	Azoles
Subclass	Pyrazoles
Intermediate Tree Nodes	Not available
Direct Parent	Pyrazoles
Alternative Parents	Heteroaromatic compounds Boronic acids Organic metalloid salts Azacyclic compounds Organonitrogen compounds Organometalloid compounds Organic oxygen compounds Hydrocarbon derivatives
Molecular Framework	Aromatic heteromonocyclic compounds
Substituents	Heteroaromatic compound - Pyrazole - Boronic acid - Boronic acid derivative - Azacycle - Organic metalloid salt - Organic nitrogen compound - Organic oxygen compound - Hydrocarbon derivative - Organonitrogen compound - Organic metalloid moeity - Aromatic heteromonocyclic compound
Description	This compound belongs to the class of organic compounds known as pyrazoles. These are compounds containing a pyrazole ring, which is a five-member aromatic ring with two nitrogen atoms (at positions 1 and 2) and three carbon atoms.
External Descriptors	Not available
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. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

IUPAC Name	(3-methyl-1H-pyrazol-5-yl)boronic acid
INCHI	InChI=1S/C4H7BN2O2/c1-3-2-4(5(8)9)7-6-3/h2,8-9H,1H3,(H,6,7)
InChIKey	VWENLWUOIPCRRJ-UHFFFAOYSA-N
Smiles	B(C1=CC(=NN1)C)(O)O
Isomeric SMILES	B(C1=CC(=NN1)C)(O)O
Molecular Weight	125.92
Reaxy-Rn	30454915
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=30454915&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Chemical and Physical Properties

Sensitivity	Moisture sensitive
Molecular Weight	125.920 g/mol
XLogP3
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	1
Exact Mass	126.06 Da
Monoisotopic Mass	126.06 Da
Topological Polar Surface Area	69.100 Å²
Heavy Atom Count	9
Formal Charge	0
Complexity	101.000
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

Solution Calculators

Molarity Calculator

Determine the necessary mass, volume, or concentration for preparing a solution.

Mass

Concentration

Volume

M. Wt*

g/mol

*When preparing stock solutions, always use the batch-specific molecular weight of the product found on the vial label and the Certificate of Analysis (available online).

Dilution Calculator

Determine the dilution needed to prepare a stock solution.

Concentration 1 (C1)

Volume 1 (V1)

Concentration 2 (C2)

Volume 2 (V2)

Reconstitution Calculator

The reconstitution calculator enables you to quickly determine the volume of a reagent needed to reconstitute your vial. Just enter the mass of the reagent and the target concentration, and the calculator will do the rest.

Volume (to add to vial)

Mass (in vial)

Desired Reconstitution Concentration