Skip to the beginning of the images gallery

5-Methyl-2-thiopheneboronic Acid (contains varying amounts of Anhydride) - >97%, high purity , CAS No.162607-20-7

COA

Grade & Purity:

≥97%

Cas Number: 162607-20-7
Molecular Weight: 141.99
PubChem CID: 2734374
PubChem SID: 488192562

In stock

Item Number

M290775

Grouped product items
SKU	Size	Availability	Price
M290775-1g	1g	5	$34.90
M290775-5g	5g	5	$113.90
M290775-25g	25g	5	$343.90

View related series

arylboronic acid (628) Organoboron (685)

Basic Description

Synonyms	Boronic acid, (5-methyl-2-thienyl)- \| 5-methyl-thiophene-2-boronic acid \| 5-Methylthiophene-2-boronic acid \| PB21738 \| M1850 \| J-501600 \| 5-Methyl-2-thiopheneboronic acid (contains varying amounts of Anhydride) \| PS-9501 \| SY004158 \| DTXSID90370264 \| (5-m
Specifications & Purity	≥97%
Storage Temp	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.

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organoheterocyclic compounds
  - Class Thiophenes
    - Subclass 2,5-disubstituted thiophenes

Kingdom	Organic compounds
Superclass	Organoheterocyclic compounds
Class	Thiophenes
Subclass	2,5-disubstituted thiophenes
Intermediate Tree Nodes	Not available
Direct Parent	2,5-disubstituted thiophenes
Alternative Parents	Heteroaromatic compounds Boronic acids Organic metalloid salts Organoboron compounds Organic oxygen compounds Hydrocarbon derivatives
Molecular Framework	Aromatic heteromonocyclic compounds
Substituents	2,5-disubstituted thiophene - Heteroaromatic compound - Boronic acid - Boronic acid derivative - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organoboron compound - Aromatic heteromonocyclic compound
Description	This compound belongs to the class of organic compounds known as 2,5-disubstituted thiophenes. These are organic compounds containing a thiophene that is disubstituted at the C-2, and C5-positions.
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

Pubchem Sid	488192562
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/488192562
IUPAC Name	(5-methylthiophen-2-yl)boronic acid
INCHI	InChI=1S/C5H7BO2S/c1-4-2-3-5(9-4)6(7)8/h2-3,7-8H,1H3
InChIKey	NRIYPIBRPGAWDD-UHFFFAOYSA-N
Smiles	B(C1=CC=C(S1)C)(O)O
Isomeric SMILES	B(C1=CC=C(S1)C)(O)O
Molecular Weight	141.99
Reaxy-Rn	7019569
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=7019569&ln=

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.

6 results found

Lot Number	Certificate Type	Date	Item
D2313238	Certificate of Analysis	Mar 02, 2023	M290775
D2313245	Certificate of Analysis	Mar 02, 2023	M290775
D2313246	Certificate of Analysis	Mar 02, 2023	M290775
D2313233	Certificate of Analysis	Mar 02, 2023	M290775
D2313234	Certificate of Analysis	Mar 02, 2023	M290775
D2313241	Certificate of Analysis	Mar 02, 2023	M290775

Chemical and Physical Properties

Solubility	dissolved in methanol
Sensitivity	Air sensitive；Heat sensitive
Molecular Weight	141.990 g/mol
XLogP3
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	1
Exact Mass	142.026 Da
Monoisotopic Mass	142.026 Da
Topological Polar Surface Area	68.700 Å²
Heavy Atom Count	9
Formal Charge	0
Complexity	99.000
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