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

3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one Structure
3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one structure
CAS No.
852399-99-6
Chemical Name:
3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one
Synonyms
3-amino-2-methylthieno[2,3-d]pyrimidin-4-one;3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one;Thieno[2,3-d]pyrimidin-4(3H)-one, 3-amino-2-methyl-;3-amino-2-methyl-3H,4H-thieno[2,3-d]pyrimidin-4-one
CBNumber:
CB1359310
Molecular Formula:
C7H7N3OS
Molecular Weight:
181.21
MDL Number:
MFCD00770876
MOL File:
Mol file
Last updated:2026-09-12 18:49:12
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3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one Properties

Boiling point 366.4±34.0 °C(Predicted)
Density 1.62±0.1 g/cm3(Predicted)
pka -0.79±0.20(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H319-H302-H335-H315-H332
Precautionary statements  P261-P271-P304+P340-P312-P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362-P264-P270-P301+P312-P330-P501

3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
aablocks AA00G3SG 3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one 95% 852399-99-6 50mg $148 2026-05-28 Buy
aablocks AA00G3SG 3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one 95% 852399-99-6 100mg $202 2026-05-28 Buy
aablocks AA00G3SG 3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one 95% 852399-99-6 250mg $269 2026-05-28 Buy
aablocks AA00G3SG 3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one 95% 852399-99-6 500mg $468 2026-05-28 Buy
aablocks AA00G3SG 3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one 95% 852399-99-6 1g $612 2026-05-28 Buy
Product number Packaging Price Buy
AA00G3SG 50mg $148 Buy
AA00G3SG 100mg $202 Buy
AA00G3SG 250mg $269 Buy
AA00G3SG 500mg $468 Buy
AA00G3SG 1g $612 Buy

3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one Chemical Properties, Uses, Production

3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one Preparation Products And Raw materials

Raw materials

ZINC Acetic anhydride Hydrazine hydrate Ethyl 2-aminothiophene-3-carboxylate

Preparation Products

3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one Suppliers

Global Suppliers ( 9)
Supplier Tel Email Country ProdList Advantage
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960 info@chemlin.com.cn China 16305 64
Shanghai Haohong Pharmaceutical Co., Ltd. 400-8210725 4008210725 malulu@leyan.com China 54996 58
Shanghai Yanbang Pharmaceutical Technology Co., Ltd 15618536883 1228181347@qq.com China 7948 58
Supplier Advantage
Nanjing Chemlin Chemical Co., Ltd 64
Shanghai Haohong Pharmaceutical Co., Ltd. 58
Shanghai Yanbang Pharmaceutical Technology Co., Ltd 58
3-amino-2-methylthieno[2,3-d]pyrimidin-4-one 3-amino-2-methyl-3H,4H-thieno[2,3-d]pyrimidin-4-one Thieno[2,3-d]pyrimidin-4(3H)-one, 3-amino-2-methyl- 3-Amino-2-methylthieno[2,3-d]pyrimidin-4(3H)-one 852399-99-6