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ChemicalBook >> CAS DataBase List >> methyl 5-methyl-4-oxo-1,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate

methyl 5-methyl-4-oxo-1,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate

methyl 5-methyl-4-oxo-1,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate price.
  • $45 - $2881.73
  • Product name: methyl 5-methyl-4-oxo-1,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate
  • CAS: 457911-10-3
  • MF: C9H8N2O3S
  • MW: 224.24
  • EINECS:
  • MDL Number:MFCD03618610
  • Synonyms:methyl 5-methyl-4-oxo-1,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate;5-Methyl-4-oxo-1,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester;5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester;methyl 5-methyl-4-oxo-1,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate(WXC04066);methyl 5-methyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate;Thieno[2,3-d]pyrimidine-6-carboxylic acid, 1,4-dihydro-5-methyl-4-oxo-, methyl ester;WAY-305025
Price19 Properties Safety Information Description
19 prices
Selected condition：
Brand
  • aablocks
  • American Custom Chemicals Corporation
  • Chemcia Scientific
  • Chemenu
  • ChemScene
  • Crysdot
  • TRC
Package
  • 2.5mg
  • 100mg
  • 250mg
  • 500mg
  • 0.5G
  • 1g
  • 2.5G
  • 5g
  • 10g
  • 50G
  • Manufactureraablocks
  • Product numberAA00VVW7
  • Product descriptionmethyl 5-methyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate 90%
  • Packaging250mg
  • Price$53
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00VVW7
  • Product descriptionmethyl 5-methyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate 90%
  • Packaging1g
  • Price$98
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00VVW7
  • Product descriptionmethyl 5-methyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate 90%
  • Packaging5g
  • Price$359
  • Updated2026-05-29
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0294301
  • Product descriptionMETHYL-5-METHYL-4-OXO-3,4-DIHYDROTHIENO[2,3-D]PYRIMIDINE-6-CARBOXYLATE 98.00%
  • Packaging50G
  • Price$2881.73
  • Updated2021-12-16
  • Buy
  • ManufacturerChemcia Scientific
  • Product numberBB20-1111A
  • Product description5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester ＞97%
  • Packaging2.5G
  • Price$650
  • Updated2026-05-24
  • Buy
  • ManufacturerChemcia Scientific
  • Product numberBB20-1111B
  • Product description5-Methyl-4-oxo-1,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester ＞97%
  • Packaging2.5G
  • Price$650
  • Updated2026-05-24
  • Buy
  • ManufacturerChemcia Scientific
  • Product numberBB20-1111A
  • Product description5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester ＞97%
  • Packaging0.5G
  • Price$225
  • Updated2026-05-24
  • Buy
  • ManufacturerChemcia Scientific
  • Product numberBB20-1111B
  • Product description5-Methyl-4-oxo-1,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester ＞97%
  • Packaging0.5G
  • Price$225
  • Updated2026-05-24
  • Buy
  • ManufacturerChemcia Scientific
  • Product numberBB20-1111A
  • Product description5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester ＞97%
  • Packaging1G
  • Price$295
  • Updated2026-05-24
  • Buy
  • ManufacturerChemcia Scientific
  • Product numberBB20-1111B
  • Product description5-Methyl-4-oxo-1,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester ＞97%
  • Packaging1G
  • Price$295
  • Updated2026-05-24
  • Buy
  • ManufacturerChemenu
  • Product numberCM271602
  • Product descriptionMethyl5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate 97%
  • Packaging5g
  • Price$387
  • Updated2021-12-16
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0320011
  • Product descriptionWAY-305025 ≥97%
  • Packaging5g
  • Price$1845
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0320011
  • Product descriptionWAY-305025 ≥97%
  • Packaging10g
  • Price$2735
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0320011
  • Product descriptionWAY-305025 ≥97%
  • Packaging100mg
  • Price$560
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0320011
  • Product descriptionWAY-305025 ≥97%
  • Packaging250mg
  • Price$586
  • Updated2026-06-04
  • Buy
  • ManufacturerChemScene
  • Product numberCS-0320011
  • Product descriptionWAY-305025 ≥97%
  • Packaging1g
  • Price$588
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00VVW7 methyl 5-methyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate 90% 250mg $53 2026-05-29 Buy
aablocks AA00VVW7 methyl 5-methyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate 90% 1g $98 2026-05-29 Buy
aablocks AA00VVW7 methyl 5-methyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylate 90% 5g $359 2026-05-29 Buy
American Custom Chemicals Corporation CHM0294301 METHYL-5-METHYL-4-OXO-3,4-DIHYDROTHIENO[2,3-D]PYRIMIDINE-6-CARBOXYLATE 98.00% 50G $2881.73 2021-12-16 Buy
Chemcia Scientific BB20-1111A 5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester ＞97% 2.5G $650 2026-05-24 Buy
Chemcia Scientific BB20-1111B 5-Methyl-4-oxo-1,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester ＞97% 2.5G $650 2026-05-24 Buy
Chemcia Scientific BB20-1111A 5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester ＞97% 0.5G $225 2026-05-24 Buy
Chemcia Scientific BB20-1111B 5-Methyl-4-oxo-1,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester ＞97% 0.5G $225 2026-05-24 Buy
Chemcia Scientific BB20-1111A 5-Methyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester ＞97% 1G $295 2026-05-24 Buy
Chemcia Scientific BB20-1111B 5-Methyl-4-oxo-1,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid methyl ester ＞97% 1G $295 2026-05-24 Buy
Chemenu CM271602 Methyl5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate 97% 5g $387 2021-12-16 Buy
ChemScene CS-0320011 WAY-305025 ≥97% 5g $1845 2026-06-04 Buy
ChemScene CS-0320011 WAY-305025 ≥97% 10g $2735 2026-06-04 Buy
ChemScene CS-0320011 WAY-305025 ≥97% 100mg $560 2026-06-04 Buy
ChemScene CS-0320011 WAY-305025 ≥97% 250mg $586 2026-06-04 Buy
ChemScene CS-0320011 WAY-305025 ≥97% 1g $588 2026-06-04 Buy
Next Last

Properties

Melting point :>230℃
Boiling point :432.4±55.0 °C(Predicted)
Density :1.56±0.1 g/cm3(Predicted)
pka :-0.17±0.20(Predicted)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

More related product prices

5-METHYL-4-OXO-3,4-DIHYDRO-THIENO[2,3-D]PYRIMIDINE-6-CARBOXYLIC ACID ETHYL 5-METHYL-4-OXO-3,4-DIHYDROTHIENO[2,3-D]-PYRIMIDINE-6-CARBOXYLATE 2,5-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid(SALTDATA: FREE)

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Suppliers and manufacturers

SuZhou ShiYa Biopharmaceuticals, Inc. Shanghai YuanYe Biotechnology Co., Ltd. Shanghai Chaolan Chemical Technology Center Wuxi AppTec Beijing xinyanhui pharmaceutical research and development co., LTD Jinan ponder chemical co. LTD Shanghai Kaiwei Chemical Technology Co., Ltd. Wuhan Topule Wuhan Augda Biotechnology Co., Ltd Wuhan Yingnuo Pharmaceutical Technology Co., Ltd.