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2,4-Diamino pyrimidine-3-oxide

2,4-Diamino pyrimidine-3-oxide structure

CAS No.: 74638-76-9

Chemical Name:: 2,4-Diamino pyrimidine-3-oxide

Synonyms: Kopexil;Aminexil;2,4-Pyrimidinediamine 3-oxide;2,6-diaminopyrimidine 1-oxide;pyrimidine-2,4-diamine 3-oxide;Mexoryl SAG;Kopexil/Aminexil;Minoxidil Impurity 8;2,4-DIAMINO PYRIMIDINE-N-OXIDE;2,4-DIAMINO PYRIMIDINE-3-OXIDE

CBNumber:: CB9315967

Molecular Formula:: C4H6N4O

Molecular Weight:: 126.12

MDL Number:: MFCD06410894

MOL File:: 74638-76-9.mol

MSDS File:: SDS

Last updated:2026-06-29 21:06:38

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2,4-Diamino pyrimidine-3-oxide Properties

Boiling point	475.5±37.0 °C(Predicted)
Density	1.69±0.1 g/cm3(Predicted)
pka	5.04±0.47(Predicted)
Cosmetics Ingredients Functions	HAIR CONDITIONING SKIN CONDITIONING
InChI	InChI=1S/C4H6N4O/c5-3-1-2-7-4(6)8(3)9/h1-2H,5H2,(H2,6,7)
InChIKey	SGHQFNHCCOBUKB-UHFFFAOYSA-N
SMILES	C1(N)=NC=CC(N)=[N+]1[O-]
FDA UNII	1756681479

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319-H335
Precautionary statements	P261-P264-P271-P280-P302+P352-P304+P340+P312-P305+P351+P338-P332+P313-P337+P313-P403+P233-P405-P501

2,4-Diamino pyrimidine-3-oxide price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Biosynth	FD182422	2,4-Diaminopyrimidine-3-oxide	74638-76-9	0.1kg	$900	2026-06-04	Buy
Biosynth	FD182422	2,4-Diaminopyrimidine-3-oxide	74638-76-9	0.05kg	$900	2026-06-04	Buy
Biosynth	FD182422	2,4-Diaminopyrimidine-3-oxide	74638-76-9	0.5kg	$900	2026-06-04	Buy
Biosynth	FD182422	2,4-Diaminopyrimidine-3-oxide	74638-76-9	0.25kg	$900	2026-06-04	Buy
Biosynth	FD182422	2,4-Diaminopyrimidine-3-oxide	74638-76-9	1kg	$1298	2026-06-04	Buy

Product number	Packaging	Price	Buy
FD182422	0.1kg	$900	Buy
FD182422	0.05kg	$900	Buy
FD182422	0.5kg	$900	Buy
FD182422	0.25kg	$900	Buy
FD182422	1kg	$1298	Buy

2,4-Diamino pyrimidine-3-oxide Chemical Properties, Uses, Production

Uses

2,4-Diamino pyrimidine-3-oxide is a valuable organic synthetic reagent for preparing pyrimidines and in making hair loss and skin care compositions. It is used in hair care formulations to prevent increased hair loss.

2,4-Diamino pyrimidine-3-oxide Preparation Products And Raw materials

Raw materials

Preparation Products

2,4-Diamino pyrimidine-3-oxide Suppliers

Global Suppliers ( 199)

Supplier	Tel	Email	Country	ProdList	Advantage
Jiangsu Orlisi Pharmaceutical Co., Ltd	15950720386	3831571340@qq.com	China	400	58
Beri Pharma Co., Ltd.	0756-8699456 13427714006	sales@zhberi.com	China	199	58
Hubei Lingyan Biotechnology Co., Ltd	13297025796	2331003879@qq.com	China	335	58
Shenzhen Xingkaiyue Biotechnology Co. , Ltd.	0755-18589069862 18589069862	1158168052@qq.com	China	1000	58
Hubei Lingyan Biotechnology Co., Ltd	027-59304846 13297025796	2331003879@qq.com	China	56	58
Hubei Weideli Chemical Reagent Co., Ltd.	027-83984790 17720532645	t17720532645@163.com	China	963	58
Meite (Hubei) New Materials Co., Ltd	13517221830; 13517221830	18802755@qq.com	China	2612	58
Jiangsu Ruidian Pharmaceutical Co., Ltd	15896106238	2894106063@qq.com	China	371	58
YANCHENG JIANGZHONG CHEMICALS CO., LTD.	0515-88981987 13918567443	richard.li_jzchem@263.net	China	175	58
Beijing HwrkChemical Technology Co., Ltd	89508211 18501085097	sales.bj@hwrkchemical.com	China	9407	55

Supplier	Advantage
Jiangsu Orlisi Pharmaceutical Co., Ltd	58
Beri Pharma Co., Ltd.	58
Hubei Lingyan Biotechnology Co., Ltd	58
Shenzhen Xingkaiyue Biotechnology Co. , Ltd.	58
Hubei Lingyan Biotechnology Co., Ltd	58
Hubei Weideli Chemical Reagent Co., Ltd.	58
Meite (Hubei) New Materials Co., Ltd	58
Jiangsu Ruidian Pharmaceutical Co., Ltd	58
YANCHENG JIANGZHONG CHEMICALS CO., LTD.	58
Beijing HwrkChemical Technology Co., Ltd	55

View Latest Price from 2,4-Diamino pyrimidine-3-oxide manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-09-18	Aminexil 74638-76-9	$1.00	300g	99.8%	20 TONS	.GZ HONESTCHEM CO.,LTD
2026-09-18	2,4-DIAMINO PYRIMIDINE-3-OXIDE 74638-76-9			0.99		RongNa Biotechnology Co.,Ltd
2026-08-25	Kopexil 74638-76-9	$3.00-9.00		99%		ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

Aminexil
74638-76-9
$1.00
99.8%
.GZ HONESTCHEM CO.,LTD

2,4-DIAMINO PYRIMIDINE-3-OXIDE
74638-76-9
0.99
RongNa Biotechnology Co.,Ltd

Kopexil
74638-76-9
$3.00-9.00
99%
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

2,4-Diamino pyrimidine-3-oxide Spectrum

2,4-Diamino pyrimidine-3-oxide(74638-76-9)¹HNMR

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2,4-Pyrimidinediamine, 3-oxide (9CI) 2,4-Diaminopyrimidine 3-N-oxide 2,4-DIAMINO PYRIMIDINE-3-OXIDE 2,4-DIAMINO PYRIMIDINE-3-OXIDE ISO 9001：2015 REACH Minoxidil Impurity 8 2,4-DIAMINO PYRIMIDINE-N-OXIDE Mexoryl SAG Kopexil/Aminexil 2,4-Diaminopyrimidine 3-N-Oxide Hydrate 3-hydroxy-2-iminopyrimidin-4-amine 2,4-PYRIMIDINEDIAMINE, 3-OXIDE (KOPEXIL) Minoxidil foam agent impurity C 2,4-Diaminopyrimidine 3-oxide (Kopexil) 2,4-Pyrimidinediamine 3-oxide 2,6-diaminopyrimidine 1-oxide Aminexil Kopexil pyrimidine-2,4-diamine 3-oxide 74638-76-9 7438-76-9 76438-76-9 PYRIMIDINE john's