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ChemicalBook >> CAS DataBase List >>5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid

5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid

5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid Structure
5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid structure
CAS No.
101667-97-4
Chemical Name:
5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid
Synonyms
5-methyl-4-oxo-3H-thieno[2,3-d]pyrimidine-6-carboxylic acid;5-Methyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylic acid;5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyriMidine-6-carboxylic;5-methyl-4-oxo-1,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid;Thieno[2,3-d]pyrimidine-6-carboxylic acid, 1,4-dihydro-5-methyl-4-oxo-;5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid(SALTDATA: FREE)
CBNumber:
CB51491101
Molecular Formula:
C8H6N2O3S
Molecular Weight:
210.21
MDL Number:
MFCD00463620
MOL File:
101667-97-4.mol
MSDS File:
SDS
Last updated:2026-09-12 18:53:12
Request For Quotation

5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid Properties

Melting point 300 °C(Solv: 1,4-dioxane (123-91-1))
Boiling point 571.8±50.0 °C(Predicted)
Density 1.76±0.1 g/cm3(Predicted)
pka 3.72±0.20(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P501-P270-P264-P301+P312+P330
Risk Statements  36/37/38
Safety Statements  26-36
HazardClass  IRRITANT
HS Code  29335990

5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid price More Price(25)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Matrix Scientific 011552 5-Methyl-4-oxo-3,4-dihydro-thieno-[2,3-d]pyrimidine-6-carboxylic acid 101667-97-4 500.00mg $113 2026-05-18 Buy
Matrix Scientific 011552 5-Methyl-4-oxo-3,4-dihydro-thieno-[2,3-d]pyrimidine-6-carboxylic acid 101667-97-4 1.00g $174 2026-05-18 Buy
ACHEMBLOCK AD266167 5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid 95% 101667-97-4 1G $205 2026-05-27 Buy
ACHEMBLOCK AD266167 5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid 95% 101667-97-4 5G $340 2026-05-27 Buy
Crysdot CD11366483 5-Methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid 95+% 101667-97-4 10g $467 2026-05-27 Buy
Product number Packaging Price Buy
011552 500.00mg $113 Buy
011552 1.00g $174 Buy
AD266167 1G $205 Buy
AD266167 5G $340 Buy
CD11366483 10g $467 Buy

5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid Chemical Properties, Uses, Production

Chemical Properties

White solid

5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid Preparation Products And Raw materials

Raw materials

Preparation Products

5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid Suppliers

Global Suppliers ( 22)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Nanjing Habo Medical Technology Co., Ltd. 13376080562 13376090521 sales@habotech.com China 724 60
Shanghai Aladdin Bio-Chem Technology Co.,LTD 400-6206333 13167063860 anhua.mao@aladdin-e.com China 29977 65
Clearsynth Labs Limited +91-22-26355700 info@clearsynth.com India 9656 58
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
Amadis Chemical Company Limited 571-89925085 sales@amadischem.com China 131885 58
Aikon International Limited 025-58859352 19370895928 sales01@aikonchem.com China 15078 58
CONIER CHEM AND PHARMA LIMITED sales@conier.com China 49906 58
Shanghai Haohong Scientific Co., Ltd. 400-8210725 4008210725 malulu@leyan.com China 39718 58
Nanjing Shizhou Biology Technology Co.,Ltd -- purchase@synzest.com China 6856 58
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Nanjing Habo Medical Technology Co., Ltd. 60
Shanghai Aladdin Bio-Chem Technology Co.,LTD 65
Clearsynth Labs Limited 58
Shanghai YuanYe Biotechnology Co., Ltd. 60
Amadis Chemical Company Limited 58
Aikon International Limited 58
CONIER CHEM AND PHARMA LIMITED 58
Shanghai Haohong Scientific Co., Ltd. 58
Nanjing Shizhou Biology Technology Co.,Ltd 58

101667-97-4 (5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid) Related Search:

5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid OTAVA-BB BB7015170010 Ethyl 5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]-pyrimidine-6-carboxylate 2,5-Dimethyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester 3,5-Dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid
2,5-Dimethyl-4-oxo-3,4-dihydro-thieno[2,3-d]-pyrimidine-6-carboxylic acid 3-Amino-2,5-dimethyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester AURORA 21262 AURORA 21263 3-Amino-5-methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester
AURORA 21530 AKOS BBS-00007136 AURORA 20212 AURORA 20490 AURORA 20213
AURORA 20657 AKOS BBS-00000743

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5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid(SALTDATA: FREE) 5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyriMidine-6-carboxylic 5-methyl-4-oxo-3H-thieno[2,3-d]pyrimidine-6-carboxylic acid Thieno[2,3-d]pyrimidine-6-carboxylic acid, 1,4-dihydro-5-methyl-4-oxo- 5-methyl-4-oxo-1,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid 5-Methyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylic acid 101667-97-4