Thieno[2,3-d]pyrimidine-4-thiol

Modify Date: 2025-08-25 18:26:55

Thieno[2,3-d]pyrimidine-4-thiol Structure
Thieno[2,3-d]pyrimidine-4-thiol structure
 Common Name Thieno[2,3-d]pyrimidine-4-thiol
CAS Number 14080-55-8 Molecular Weight 168.239
Density 1.6±0.1 g/cm3 Boiling Point 325.6±34.0 °C at 760 mmHg
Molecular Formula C6H4N2S2 Melting Point N/A
MSDS N/A Flash Point 150.7±25.7 °C

 Names

Name 3H-thieno[2,3-d]pyrimidine-4-thione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 325.6±34.0 °C at 760 mmHg
Molecular Formula C6H4N2S2
Molecular Weight 168.239
Flash Point 150.7±25.7 °C
Exact Mass 167.981583
PSA 92.82000
LogP 1.42
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.841

 Safety Information

HS Code 2934999090

 Synthetic Route

4-Chlorothieno[2,3-d]pyrimidine structure

4-Chlorothieno[...

CAS#:14080-59-2

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Thieno[2,3-d]pyrimidine-4-thiol Structure

Thieno[2,3-d]py...

CAS#:14080-55-8

Literature: Comptes Rendus des Seances de l'Academie des Sciences, Serie C: Sciences Chimiques, , vol. 266, p. 128 - 130

 Precursor & DownStream

Precursor  1

DownStream  1

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

Thieno[2,3-d]pyrimidine-4(3H)-thione
4-Thioxo-3,4-dihydro-thieno<Thieno[2,3-d]pyrimidine-4(3H)-thione
Dihydro-3,4 thioxo-4 thieno<2,3-d>pyrimidin
Thieno[2,3-d]pyrimidine-4-thiol
Thieno<pyrimidin-4(3H)-thion
F1174-3208
thieno[3,2-d]pyrimidin-4-ol
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