Skip to the beginning of the images gallery

3-Bromo-2,5-difluoropyridine - 98%, high purity , CAS No.1211331-43-9

COA

Grade & Purity:

≥98%

Cas Number: 1211331-43-9
Molecular Weight: 193.98
PubChem CID: 14600696
PubChem SID: 504767682

In stock

Item Number

B180141

Grouped product items
SKU	Size	Availability	Price
B180141-50mg	50mg	3	$15.90
B180141-250mg	250mg	3	$63.90
B180141-1g	1g	3	$187.90
B180141-5g	5g	2	$614.90

Basic Description

Synonyms	3-Bromo-2,5-difluoropyridine \| 1211331-43-9 \| 3-bromo-2,5-difluoro-pyridine \| MFCD12827553 \| SCHEMBL502743 \| DTXSID20562094 \| SCRAIOJQLNXLKL-UHFFFAOYSA-N \| AKOS006333243 \| SB21087 \| BS-22401 \| SY122294 \| CS-0063871 \| EN300-99164 \| P11496 \| A891944 \| J-511831
Specifications & Purity	≥98%
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 Pyridines and derivatives
    - Subclass Halopyridines

Kingdom	Organic compounds
Superclass	Organoheterocyclic compounds
Class	Pyridines and derivatives
Subclass	Halopyridines
Intermediate Tree Nodes	Not available
Direct Parent	Polyhalopyridines
Alternative Parents	2-halopyridines Aryl fluorides Aryl bromides Heteroaromatic compounds Azacyclic compounds Organonitrogen compounds Organofluorides Organobromides Hydrocarbon derivatives
Molecular Framework	Aromatic heteromonocyclic compounds
Substituents	Polyhalopyridine - 2-halopyridine - Aryl halide - Aryl fluoride - Aryl bromide - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Hydrocarbon derivative - Organonitrogen compound - Organofluoride - Organobromide - Organohalogen compound - Aromatic heteromonocyclic compound
Description	This compound belongs to the class of organic compounds known as polyhalopyridines. These are organic compounds containing a pyridine ring substituted at two or more positions by a halogen atom.
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	504767682
Pubchem Sid Url	https://pubchem.ncbi.nlm.nih.gov/substance/504767682
IUPAC Name	3-bromo-2,5-difluoropyridine
INCHI	InChI=1S/C5H2BrF2N/c6-4-1-3(7)2-9-5(4)8/h1-2H
InChIKey	SCRAIOJQLNXLKL-UHFFFAOYSA-N
Smiles	C1=C(C=NC(=C1Br)F)F
Isomeric SMILES	C1=C(C=NC(=C1Br)F)F
Molecular Weight	193.98
Reaxy-Rn	22045115
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=22045115&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.

5 results found

Lot Number	Certificate Type	Date	Item
I2206268	Certificate of Analysis	Jun 10, 2025	B180141
I2206179	Certificate of Analysis	Jun 10, 2025	B180141
I2206180	Certificate of Analysis	Jun 10, 2025	B180141
I2206267	Certificate of Analysis	Jun 10, 2025	B180141
L2404249	Certificate of Analysis	Jul 18, 2022	B180141

Chemical and Physical Properties

Molecular Weight	193.980 g/mol
XLogP3	2.100
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	192.934 Da
Monoisotopic Mass	192.934 Da
Topological Polar Surface Area	12.900 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