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4-Chloro-3-methoxy-2-methylpyridine N-oxide

4-Chloro-3-methoxy-2-methylpyridine N-oxide structure

CAS No.: 122307-41-9

Chemical Name:: 4-Chloro-3-methoxy-2-methylpyridine N-oxide

Synonyms: Pantoprazole Impurity 24;Pantoprazole Impurity 33;Intermediate of pantoprazole sodium;4-CHLORO-3-METHOXY-2-METHYLPYRIDINE N-OX;4-CHLORO-3-METHOXY-2-ETHYLPYRIDINE N-OXIDE;2-Methyl-3-methoxy-4-chloropyridine-N-oxide;4-CHLORO-2-METHYL-3-METHOXYPYRIDINE-N-OXIDE;2-METHYLPYRIDINE-3-METHOXY-4-CHLORO-N-OXIDE;4-CHLORO-3-METHOXY-2-METHYLPYRIDINE N-OXIDE;4-Chloro-3-Methoxy-2-Methyl-Pyridine-1-Oxide

CBNumber:: CB6182216

Molecular Formula:: C7H8ClNO2

Molecular Weight:: 173.6

MDL Number:: MFCD03093995

MOL File:: 122307-41-9.mol

MSDS File:: SDS

Last updated:2026-07-01 20:51:29

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4-Chloro-3-methoxy-2-methylpyridine N-oxide Properties

Melting point	96-100 °C (lit.)
Boiling point	346.2±37.0 °C(Predicted)
Density	1.25±0.1 g/cm3(Predicted)
storage temp.	Inert atmosphere,Room Temperature
solubility	Ethyl Acetate (Slightly), Methanol (Slightly), Water (Slightly)
form	Solid
pka	1.14±0.10(Predicted)
color	Off-White to Pale Yellow
InChI	1S/C7H8ClNO2/c1-5-7(11-2)6(8)3-4-9(5)10/h3-4H,1-2H3
InChIKey	TWXMQDRFBLSXFN-UHFFFAOYSA-N
SMILES	COc1c(C)[n+]([O-])ccc1Cl
CAS DataBase Reference	122307-41-9(CAS DataBase Reference)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319-H335
Precautionary statements	P261-P305+P351+P338
target organs	Respiratory system
PPE	dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
WGK Germany	3
Hazard Note	Irritant
HS Code	2933399990
Storage Class	11 - Combustible Solids
Hazard Classifications	Eye Irrit. 2 Skin Irrit. 2 STOT SE 3
REACH Registrations	Active

4-Chloro-3-methoxy-2-methylpyridine N-oxide price More Price(49)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	542172	4-Chloro-3-methoxy-2-methylpyridine N-oxide 97%	122307-41-9	25g	$264	2023-06-20	Buy
TCI Chemical	C2402	4-Chloro-3-methoxy-2-methylpyridine N-Oxide >98.0%(GC)	122307-41-9	5g	$106	2021-12-16	Buy
TCI Chemical	C2402	4-Chloro-3-methoxy-2-methylpyridine N-Oxide >98.0%(GC)	122307-41-9	25g	$321	2021-12-16	Buy
Usbiological	C5023-32	4-Chloro-3-methoxy-2-methylpyridine-N-oxide		1g	$312	2026-06-03	Buy
Usbiological	267527	4-Chloro-3-methoxy-2-methylpyridine N-oxide Asreported	122307-41-9	10g	$305	2026-06-03	Buy

Product number	Packaging	Price	Buy
542172	25g	$264	Buy
C2402	5g	$106	Buy
C2402	25g	$321	Buy
C5023-32	1g	$312	Buy
267527	10g	$305	Buy

4-Chloro-3-methoxy-2-methylpyridine N-oxide Chemical Properties, Uses, Production

Chemical Properties

Off-White Solid

Uses

4-Chloro-3-methoxy-2-methylpyridine N-oxide (cas# 122307-41-9) is a compound useful in organic synthesis.

4-Chloro-3-methoxy-2-methylpyridine N-oxide synthesis

Synthesis of 4-Chloro-3-methoxy-2-methylpyridine N-oxide from 4-Chloro-3-methoxy-2-methylpyridine

4-Chloro-3-methoxy-2-methylpyridine N-oxide Preparation Products And Raw materials

Raw materials

4-Chloro-3-methoxy-2-methylpyridine 3-Methoxy-2-methyl-1H-pyridin-4-one

Preparation Products

3,4-Dimethoxy-2-methylpyridine N-oxide Pyridine, 3-methoxy-2-methyl-4-(2,2,2-trifluoroethoxy)-, 1-oxide

4-Chloro-3-methoxy-2-methylpyridine N-oxide Suppliers

Global Suppliers ( 222)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
JinYan Chemicals(ShangHai) Co.,Ltd.	13817811078	sales@jingyan-chemical.com	China	9963	60
Pure Chemistry Scientific Inc.	001-857-928-2050 or 1-888-588-9418	sales@chemreagents.com	United States	10174	62
Adamas Reagent, Ltd.	400-6009262 15618770481	yhx@titansci.com	China	14098	59
Wuhan Wei Shunda Technology Development Co., Ltd.	86-027-88774375	mwmwhot@163.com	China	233	65
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32273	50
China Langchem Inc.	0086-21-58956006		China	7798	57

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
JinYan Chemicals(ShangHai) Co.,Ltd.	60
Pure Chemistry Scientific Inc.	62
Adamas Reagent, Ltd.	59
Wuhan Wei Shunda Technology Development Co., Ltd.	65
Shanghai Hanhong Scientific Co.,Ltd.	64
Chemsky（shanghai）International Co.,Ltd.	50
China Langchem Inc.	57

View Latest Price from 4-Chloro-3-methoxy-2-methylpyridine N-oxide manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-08-20	4-Chloro-3-methoxy-2-methylpyridine N-oxide 122307-41-9	$1.10	1g	99.00%	100 Tons min	Dideu Industries Group Limited
2026-07-01	4-Chloro-3-methoxy-2-methylpyridine N-oxide 122307-41-9		1kg	98%	1000kg	Shaanxi Dideu New Materials Co. Ltd
2019-08-27	4-Chloro-3-methoxy-2-methylpyridine N-oxide 122307-41-9	$3.00	3KG	98%	1kg,5kg,100kg	Career Henan Chemical Co

4-Chloro-3-methoxy-2-methylpyridine N-oxide
122307-41-9
$1.10
99.00%
Dideu Industries Group Limited

4-Chloro-3-methoxy-2-methylpyridine N-oxide
122307-41-9
98%
Shaanxi Dideu New Materials Co. Ltd

4-Chloro-3-methoxy-2-methylpyridine N-oxide
122307-41-9
$3.00
98%
Career Henan Chemical Co

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1of4

4-CHLORO-3-METHOXY-2-METHYLPYRIDINE N-OXIDE 4-Chloro-3-Methoxy-2-Methyl-Pyridine-1-Oxide Intermediate of pantoprazole sodium 4-CHLORO-3-METHOXY-2-METHYLPYRIDINE N-OX 4-CHLORO-3-METHOXY-2-ETHYLPYRIDINE N-OXIDE 2-METHYLPYRIDINE-3-METHOXY-4-CHLORO-N-OXIDE 4-CHLORO-2-METHYL-3-METHOXYPYRIDINE-N-OXIDE 2-Methyl-3-methoxy-4-chloropyridine-N-oxide 4-chloro-3-Methoxy-2-Methyl-1$l^{5}-pyridin-1-one 1-oxide -4-chloro-3-Methoxy-2-Methylpyridine Pantoprazole Impurity 24 4-chloro-3-methoxy-2-methyl-1-oxidopyridin-1-ium Pantoprazole Impurity 33 4-Chloro-3-methoxy-2-methylpyridine N-Oxide > Pyridine, 4-chloro-3-methoxy-2-methyl-, 1-oxide 4-Chloro-3-methoxy-2-methylpyridine N-oxide ISO 9001：2015 REACH 4-Chloro-3-methyoxy-2-methylpyridine N-oxide 4-Chloro-3-methoxy-2-methylpyridine N-oxide 122307-41-9 C7H8ClNO2 Building Blocks Pyridines Heterocyclic Building Blocks Halogenated Heterocycles Heterocycle-Pyridine series API intermediates Bases & Related Reagents Nucleotides C7 and C8Heterocyclic Building Blocks Halogenated Heterocycles Heterocyclic Building Blocks Pyridines