ChemicalBook >> CAS DataBase List >>7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one

7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one

7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one structure

CAS No.: 175137-13-0

Chemical Name:: 7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one

Synonyms: 7-Methylthieno[3,2-d]pyrimidin-4-ol;7-METHYLTHIENO[3,2-D]PYRIMIDIN-4(3H)-ONE;7-methyl-3H-thieno[3,2-d]pyrimidin-4-one;3-METHYLTHIENO(3,2-D)PYRIMIDIN-7(6H)-ONE;7-Methylthieno[3,2-d]pyrimidin-4(1H)-one;4-Hydroxy-7-methylthieno[3,2-d]pyrimidine;Thieno[3,2-d]pyrimidin-4(3H)-one, 7-methyl-;7-methyl-3H,4H-thieno[3,2-d]pyrimidin-4-one;7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one;7-methyl-3H-thieno[3,2-d]pyrimidin-4-one - [M83635]

CBNumber:: CB11506953

Molecular Formula:: C7H6N2OS

Molecular Weight:: 166.2

MDL Number:: MFCD13181517

MOL File:: 175137-13-0.mol

MSDS File:: SDS

Last updated:2026-09-12 18:48:46

Request For Quotation

7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one Properties

Boiling point	403.9±33.0 °C(Predicted)
Density	1.53±0.1 g/cm3(Predicted)
storage temp.	Sealed in dry,Room Temperature
pka	11.38±0.20(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H302-H312-H315-H319-H332-H335
Precautionary statements	P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P332+P313-P337+P313-P362-P403+P233-P405-P501
HS Code	2933599590

7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one price More Price(26)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Apolloscientific	OR110039	4-Hydroxy-7-methylthieno[3,2-d]pyrimidine ≥95%	175137-13-0	1g	$28	2026-06-04	Buy
Apolloscientific	OR110039	4-Hydroxy-7-methylthieno[3,2-d]pyrimidine ≥95%	175137-13-0	5g	$102	2026-06-04	Buy
Apolloscientific	OR110039	4-Hydroxy-7-methylthieno[3,2-d]pyrimidine ≥95%	175137-13-0	10g	$198	2026-06-04	Buy
Matrix Scientific	088859	7-Methylthieno[3,2-d]pyrimidin-4-ol	175137-13-0	1.00g	$179	2026-05-18	Buy
Matrix Scientific	088859	7-Methylthieno[3,2-d]pyrimidin-4-ol	175137-13-0	5.00g	$473	2026-05-18	Buy

Product number	Packaging	Price	Buy
OR110039	1g	$28	Buy
OR110039	5g	$102	Buy
OR110039	10g	$198	Buy
088859	1.00g	$179	Buy
088859	5.00g	$473	Buy

7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one Chemical Properties, Uses, Production

Definition

ChEBI: 7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one is an organosulfur heterocyclic compound, an organonitrogen heterocyclic compound and an organic heterobicyclic compound.

7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one Preparation Products And Raw materials

Raw materials

4-Chloro-7-methylthieno[3,2-d]pyrimidine Methyl 3-amino-4-methylthiophene-2-carboxylate Methyl methacrylate 1,2-Dimethoxyethane Formamide

Ammonium formate Hydroxylamine hydrochloride Formic acid Acetic anhydride Sodium carbonate

1of2

Preparation Products

Thieno[3,2-d]pyrimidine-7-carboxylic acid, 4-chloro-

7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one Suppliers

Global Suppliers ( 33)

Supplier	Tel	Email	Country	ProdList	Advantage
Jiaxing Novartis Chemical Co., Ltd.	18957373295		China	1579	58
Changzhou Hopschain Chemical Co.,Ltd.	85528066 13775048983	sales@hopschem.com	China	31548	55
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131885	58
Yantai ShengKailun Chemical Technology Co., Ltd.	13356901049	3119594100@qq.com	China	7964	55
Shanghai CR Corporation Limited	13917420128 13062833949	fred.wen@crcorporation.cn	China	9776	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29626	60
Aikon International Limited	025-58859352 19370895928	sales01@aikonchem.com	China	15078	58
Suzhou Rovathin Foreign Trade Co.,Ltd	0512-65816829 18662214788	info@rovathin.com.cn	China	9962	58
Nanjing Meihao Pharmaceutical Technology Co., Ltd.	meitaochem@126.com	meitaochem@126.com	China	19087	58
Shaanxi Dideu Medichem Co. Ltd	+86-29-81139210 +86-17392587031	1059@dideu.com	China	9689	58

Supplier	Advantage
Jiaxing Novartis Chemical Co., Ltd.	58
Changzhou Hopschain Chemical Co.,Ltd.	55
Amadis Chemical Company Limited	58
Yantai ShengKailun Chemical Technology Co., Ltd.	55
Shanghai CR Corporation Limited	58
Capot Chemical Co.,Ltd.	60
Aikon International Limited	58
Suzhou Rovathin Foreign Trade Co.,Ltd	58
Nanjing Meihao Pharmaceutical Technology Co., Ltd.	58
Shaanxi Dideu Medichem Co. Ltd	58

View Latest Price from 7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-06-25	3-METHYLTHIENO(3,2-D)PYRIMIDIN-7(6H)-ONE 175137-13-0	$1.10	1g	99.0% min	100 tons min	Shaanxi Dideu Medichem Co. Ltd

3-METHYLTHIENO(3,2-D)PYRIMIDIN-7(6H)-ONE
175137-13-0
$1.10
99.0% min
Shaanxi Dideu Medichem Co. Ltd

7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one Spectrum

7-METHYL-3,4-DIHYDROTHIENO[3,2-D]PYRIMIDIN-4-ONE(175137-13-0)¹HNMR

175137-13-0 (7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one) Related Search:

Thieno[3,2-d]pyrimidin-4(3H)-one 2-methylthieno[3,2-d]pyrimidin-4(3H)-one 4-Oxo-3,4-dihydrothieno[3,2-d]pyrimidine-7-carboxylic acid 3-benzyl-7-methylthieno[3,2-d]pyrimidin-4-one 4-Oxo-3,4-dihydrothieno[3,2-d]pyrimidine-7-carbaldehyde

2-Chloro-7-methylthieno[3,2-d]pyrimidin-4(3H)-one

1of2

4-Hydroxy-7-methylthieno[3,2-d]pyrimidine 7-Methylthieno[3,2-d]pyrimidin-4(1H)-one 3-METHYLTHIENO(3,2-D)PYRIMIDIN-7(6H)-ONE 7-Methylthieno[3,2-d]pyrimidin-4-ol 7-methyl-3H-thieno[3,2-d]pyrimidin-4-one Thieno[3,2-d]pyrimidin-4(3H)-one, 7-methyl- 3-METHYLTHIENO(3,2-D)PYRIMIDIN-7(6H)-ONE ISO 9001：2015 REACH 7-methyl-3H,4H-thieno[3,2-d]pyrimidin-4-one 7-METHYLTHIENO[3,2-D]PYRIMIDIN-4(3H)-ONE 7-methyl-3H-thieno[3,2-d]pyrimidin-4-one - [M83635] 7-Methyl-3,4-dihydrothieno[3,2-d]pyrimidin-4-one 175137-13-0