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2,3-Dibromo-5-chloropyridine

2,3-Dibromo-5-chloropyridine structure

CAS No.: 137628-17-2

Chemical Name:: 2,3-Dibromo-5-chloropyridine

Synonyms: 2,3-Dibromo-5-chL;7-Bromopicolinic acid;Atogepant Impurity 25;3-Dibromo-5-chloropyridine;5-CHLORO-2,3-DIBROMOPYRIDINE;2,3 DIBROMO-5-CHLORO PYRIDINE;2,3-DIBROMO-5-DICHLOROPYRIDINE;Pyridine, 2,3-dibromo-5-chloro-;2,3-Dibromo-5-chloropyridine>2,3-Dibromo-5-chloropyridine 98%

CBNumber:: CB4843265

Molecular Formula:: C5H2Br2ClN

Molecular Weight:: 271.34

MDL Number:: MFCD08687254

MOL File:: 137628-17-2.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 03:54:02

Product description	Number	Pack Size	Price
2,3-Dibromo-5-chloropyridine >98.0%(GC)	D4381	5g	$26
2,3-Dibromo-5-chloropyridine >98.0%(GC)	D4381	25g	$116
2,3-Dibromo-5-chloropyridine ≥98%(GC)	44638	5G	$49.17
2,3-Dibromo-5-chloropyridine ≥98%(GC)	44638	25G	$201.6
5-Chloro-2,3-dibromopyridine	021391	100.00g	$68
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2,3-Dibromo-5-chloropyridine Properties

Melting point	41.0 to 45.0 °C
Boiling point	259.9±35.0 °C(Predicted)
Density	2.136±0.06 g/cm3(Predicted)
storage temp.	Inert atmosphere,Room Temperature
solubility	soluble in Methanol
form	powder to crystal
pka	-3.85±0.20(Predicted)
color	White to Light yellow to Light orange
InChI	InChI=1S/C5H2Br2ClN/c6-4-1-3(8)2-9-5(4)7/h1-2H
InChIKey	GDUFWKJMOOVEMX-UHFFFAOYSA-N
SMILES	C1(Br)=NC=C(Cl)C=C1Br

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS06

Signal word

Danger

Hazard statements

H301

Precautionary statements

Hazard Codes

Risk Statements

Safety Statements

RIDADR

UN 2811 6.1 / PGIII

HazardClass

IRRITANT

HS Code

2933399990

REACH Registrations

Active

NFPA 704

	1
2		0

2,3-Dibromo-5-chloropyridine price More Price(52)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	D4381	2,3-Dibromo-5-chloropyridine >98.0%(GC)	137628-17-2	5g	$26	2026-04-30	Buy
TCI Chemical	D4381	2,3-Dibromo-5-chloropyridine >98.0%(GC)	137628-17-2	25g	$116	2026-04-30	Buy
Chem-Impex	44638	2,3-Dibromo-5-chloropyridine ≥98%(GC)	137628-17-2	5G	$49.17	2026-05-19	Buy
Chem-Impex	44638	2,3-Dibromo-5-chloropyridine ≥98%(GC)	137628-17-2	25G	$201.6	2026-05-19	Buy
Matrix Scientific	021391	5-Chloro-2,3-dibromopyridine	137628-17-2	100.00g	$68	2026-05-18	Buy

Product number	Packaging	Price	Buy
D4381	5g	$26	Buy
D4381	25g	$116	Buy
44638	5G	$49.17	Buy
44638	25G	$201.6	Buy
021391	100.00g	$68	Buy

2,3-Dibromo-5-chloropyridine Chemical Properties,Uses,Production

Uses

2,3-Dibromo-5-chloropyridine has been used as a reactant for regiospecific Grignard reactions with lactones.

Synthesis

3-Bromo-5-chloropyridone (8.0 g, 38.4 mmole) was dissolved in dimethylformamide (60 ml) at ambient temperature. Phosphorus (V) tribromide oxide (16.5 g, 57.6 mmoles) was added and the reaction heated to 80° C for 72 hours. After cooling, the reaction was poured onto 800 g of ice. Vacuum filtration provided the product as a dark solid (6.85 g). Hexane (225 ml) and decolorizing carbon was added to the crude product and the contents heated to reflux and then filtered through celite. The clear colorless filtrate was stripped under vacuum to yield 2,3-Dibromo-5-chloropyridine as a white solid (5.3 g, 51%).

References

[1] Patent: US5436344, 1995, A

2,3-Dibromo-5-chloropyridine Preparation Products And Raw materials

Raw materials

3-BROMO-5-CHLORO-2-HYDROXYPYRIDINE Carbon Phosphorus oxybromide Magnesium sulfate N-Methylacetamide

Hexane

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Preparation Products

5-chloro-2-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine

2,3-Dibromo-5-chloropyridine Suppliers

Global( 300)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	20123	58
Capot Chemical Co.,Ltd.	+8613336195806	sales@capot.com	China	29640	60
Shanghai Daken Advanced Materials Co.,Ltd	+86-2158073036	info@dakenam.com	China	13901	58
Nanjing ChemLin Chemical Industry Co., Ltd.	025-83697070	product@chemlin.com.cn	CHINA	3009	60
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29815	58
Jinan Carbotang Biotech Co.,Ltd.	+8615866703830	figo.gao@foxmail.com	China	8497	58
Nanjing Dolon Biotechnology Co.,Ltd.	18905173768	52513593@qq.com	CHINA	2972	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49979	58

Supplier	Advantage
Henan Fengda Chemical Co., Ltd	58
Capot Chemical Co.,Ltd.	60
Shanghai Daken Advanced Materials Co.,Ltd	58
Nanjing ChemLin Chemical Industry Co., Ltd.	60
ATK CHEMICAL COMPANY LIMITED	60
career henan chemical co	58
Jinan Carbotang Biotech Co.,Ltd.	58
Nanjing Dolon Biotechnology Co.,Ltd.	58
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58

View Lastest Price from 2,3-Dibromo-5-chloropyridine manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-12-01	2,3-Dibromo-5-chloropyridine 137628-17-2	US $0.00-0.00 / KG	1KG	98.0%	10000KGS	Shaanxi Dideu New Materials Co. Ltd
2025-11-18	2,3-Dibromo-5-chloropyridine 137628-17-2	US $1.10 / g	1g	99.00%	100 Tons min	Dideu Industries Group Limited
2025-09-25	2,3-Dibromo-5-chloropyridine 137628-17-2	US $8.00-0.80 / KG	1KG	99%	g-kg-tons, free sample is available	Henan Fengda Chemical Co., Ltd

2,3-Dibromo-5-chloropyridine
137628-17-2
US $0.00-0.00 / KG
98.0%
Shaanxi Dideu New Materials Co. Ltd

2,3-Dibromo-5-chloropyridine
137628-17-2
US $1.10 / g
99.00%
Dideu Industries Group Limited

2,3-Dibromo-5-chloropyridine
137628-17-2
US $8.00-0.80 / KG
99%
Henan Fengda Chemical Co., Ltd

2,3-Dibromo-5-chloropyridine Spectrum

2,3 DIBROMO-5-CHLORO PYRIDINE(137628-17-2)¹HNMR

137628-17-2(2,3-Dibromo-5-chloropyridine)Related Search:

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2,3-DibroMo-5-chloropyridine, 97+% 2,3 DIBROMO-5-CHLORO PYRIDINE 5-CHLORO-2,3-DIBROMOPYRIDINE 2,3-DIBROMO-5-DICHLOROPYRIDINE Pyridine2,3-dibromo-5-chloropyridine 2,3-Dibromo-5-chloropyridine 98% 2,3-Dibromo-5-chloropyridine> 2,3-Dibromo-5-chL Pyridine, 2,3-dibromo-5-chloro- 7-Bromopicolinic acid 2,3 DIBROMO-5-CHLORO PYRIDINE ISO 9001：2015 REACH 3-Dibromo-5-chloropyridine Atogepant Impurity 25 137628-17-2 137638-17-2 Heterocycle-Pyridine series Halides Pyridines Pyridine Variety of halogenated heterocyclic series