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4-Nitro-2,3,5-trimethylpyridine-N-oxide

4-Nitro-2,3,5-trimethylpyridine-N-oxide structure

CAS No.: 86604-79-7

Chemical Name:: 4-Nitro-2,3,5-trimethylpyridine-N-oxide

Synonyms: Omeprazole Impurity 6;Omeprazole Impurity K;Esomeprazole Impurity 109;Omeprazole Related Compound 5;Esomeprazole Sodium Impurity 36;2,3,5-triMethyl-4-nitropyridine N-oxide;2,3,5-Trimethyl-4-Nitropyridine-1-Oxide;4-Nitro-2,3,5-TriMethylpyridine-1-Oxide;4-Nitro-2,3,5-trimethylpyridine-N-oxide;Pyridine, 2,3,5-triMethyl-4-nitro-, 1-oxide

CBNumber:: CB4222253

Molecular Formula:: C8H10N2O3

Molecular Weight:: 182.18

MDL Number:: MFCD00800254

MOL File:: 86604-79-7.mol

Last updated:2026-09-12 18:52:37

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4-Nitro-2,3,5-trimethylpyridine-N-oxide Properties

Melting point	73-74 °C
Boiling point	397.8±37.0 °C(Predicted)
Density	1.26±0.1 g/cm3(Predicted)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
pka	-0.89±0.10(Predicted)
InChI	InChI=1S/C8H10N2O3/c1-5-4-9(11)7(3)6(2)8(5)10(12)13/h4H,1-3H3
InChIKey	YMBLTOGTYNFTRX-UHFFFAOYSA-N
SMILES	C1(C)[N+]([O-])=CC(C)=C([N+]([O-])=O)C=1C

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H315-H319-H335
Precautionary statements	P261-P305+P351+P338
REACH Registrations	Active

4-Nitro-2,3,5-trimethylpyridine-N-oxide price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	N1189	2,3,5-Trimethyl-4-nitropyridine N-Oxide min. 98.0 %	86604-79-7	250MG	$47	2026-04-30	Buy
TCI Chemical	N1189	2,3,5-Trimethyl-4-nitropyridine N-Oxide min. 98.0 %	86604-79-7	1G	$130	2026-04-30	Buy
Biosynth	FT146085	2,3,5-Trimethyl-4-nitropyridine 1-oxide	86604-79-7	1g	$220	2026-06-04	Buy
Biosynth	FT146085	2,3,5-Trimethyl-4-nitropyridine 1-oxide	86604-79-7	2g	$343.76	2026-06-04	Buy
Biosynth	FT146085	2,3,5-Trimethyl-4-nitropyridine 1-oxide	86604-79-7	5g	$550	2026-06-04	Buy

Product number	Packaging	Price	Buy
N1189	250MG	$47	Buy
N1189	1G	$130	Buy
FT146085	1g	$220	Buy
FT146085	2g	$343.76	Buy
FT146085	5g	$550	Buy

4-Nitro-2,3,5-trimethylpyridine-N-oxide Chemical Properties, Uses, Production

Uses

2,3,5-Trimethyl-4-nitro-1-oxidopyridin-1-ium is an impurity of Omeprazole(O635000) which is a covalently binds to proton pump. It inhibits gastric secretion. Used as an anttiulcerative.

4-Nitro-2,3,5-trimethylpyridine-N-oxide Preparation Products And Raw materials

Raw materials

Preparation Products

3,5-Dimethyl-4-methoxy-2-pyridinemethanol

4-Nitro-2,3,5-trimethylpyridine-N-oxide Suppliers

Global Suppliers ( 150)

Supplier	Tel	Email	Country	ProdList	Advantage
Wuxi Renyi New Materials Technology Co., Ltd	13306222239	wangmeili@renyiam.com	China	558	58
Adamas Reagent, Ltd.	400-6009262 15618770481	yhx@titansci.com	China	14098	59
BOC Sciences	1-631-485-4226; 16314854226	info@bocsci.com	United States	9920	65
Hangzhou Sage Chemical Co., Ltd.	+86057186818502 13588463833	info@sagechem.com	China	10265	58
TOKYO CHEMICAL INDUSTRY CO., LTD.	03-36680489	Sales-JP@TCIchemicals.com	Japan	28364	80
TCI Europe	320-37350700	sales@tcieurope.eu	Europe	23654	75
TCI AMERICA	800-4238616	sales@tciamerica.com	Americas	23636	75
Beijin Yangguang Furui Chemical co.,Ltd.	010-57495520 13521095525	zhw512@foxmail.com	China	487	55
Bide Pharmatech Ltd.	400-164-7117 18317119277	product02@bidepharm.com	China	40000	60
Quality Control Solutions Ltd.	0755-66853366 13670046396	orders@qcsrm.com	China	18188	56

Supplier	Advantage
Wuxi Renyi New Materials Technology Co., Ltd	58
Adamas Reagent, Ltd.	59
BOC Sciences	65
Hangzhou Sage Chemical Co., Ltd.	58
TOKYO CHEMICAL INDUSTRY CO., LTD.	80
TCI Europe	75
TCI AMERICA	75
Beijin Yangguang Furui Chemical co.,Ltd.	55
Bide Pharmatech Ltd.	60
Quality Control Solutions Ltd.	56

View Latest Price from 4-Nitro-2,3,5-trimethylpyridine-N-oxide manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-08-20	4-NITRO-2,3,5-TRIMETHYLPYRIDINE-N-OXIDE 86604-79-7	$1.10	1g	99.00%	100 Tons min	Dideu Industries Group Limited
2026-03-12	Omeprazole Impurity K 86604-79-7		10mg	0.98	10g	ShenZhen H&D Pharmaceutical Technology Co., LTD
2025-12-19	Omeprazole Impurity K 86604-79-7		5mg	95%+	1000mg	Guangzhou Tosun Pharmaceutical Ltd

4-NITRO-2,3,5-TRIMETHYLPYRIDINE-N-OXIDE
86604-79-7
$1.10
99.00%
Dideu Industries Group Limited

Omeprazole Impurity K
86604-79-7
0.98
ShenZhen H&D Pharmaceutical Technology Co., LTD

Omeprazole Impurity K
86604-79-7
95%+
Guangzhou Tosun Pharmaceutical Ltd

86604-79-7 (4-Nitro-2,3,5-trimethylpyridine-N-oxide) Related Search:

Pyridine-N-oxide 4-methoxy-2,3,5-trimethylpyridine Omeprazole Related Compound 8 2-Chloromethyl-4-methoxy-3,5-dimethylpyridine hydrochloride rac 4-Desmethoxy-4-nitro Omeprazole

2,3,5-Trimethylpyridine-1-Oxide Omeprazole Related Compound 7 HCl 4-Desmethoxy-4-nitro Omeprazole Sulfide Omeprazole Related Compound 10 4-Methoxy-2,3,5-trimethylpyride-N-oxide

3-Pyridinol, 6-chloro-5-Methoxy- Omeprazole Related Compound 3 Omeprazole Related Compound 1 (Benzimidazole Dimer) Omeprazole Related Compound 11 3,5-Dimethyl-4-methoxy-2-pyridinemethanol

1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one Edaravone Impurity 26 2,3,5-Collidine

1of4

2,3,5-Trimethyl-4-Nitropyridine-1-Oxide Omeprazole Impurity 6 2,3,5-triMethyl-4-nitropyridine N-oxide Pyridine, 2,3,5-triMethyl-4-nitro-, 1-oxide 4-Nitro-2,3,5-TriMethylpyridine-1-Oxide 2,3,5-triMethyl-4-nitro-1-oxidopyridin-1-iuM Omeprazole Related Compound 5 4-Nitro-2,3,5-trimethylpyridine nitrogen oxides Omeprazole Impurity K Esomeprazole Sodium Impurity 36 4-NITRO-2,3,5-TRIMETHYLPYRIDINE-N-OXIDE ISO 9001：2015 REACH Pyridine, 2,3,5-trimethyl-4-nitro-, 1-oxide (9CI, ACI) 2,3,5-trimethyl-4-nitro-Pyridine 1-oxide (9CI ACI) 2,3,5-Trimethyl-4-nitropyridine nitrogen oxide 2,3,5-trimethyl-4-nitro-1-oxidopyridin-1-ium(SM2-2) Esomeprazole Impurity 109 4-Nitro-2,3,5-trimethylpyridine-N-oxide 86604-79-7 C8H10N2O3