4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine

Modify Date: 2026-07-06 10:44:43

4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine Structure
4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine structure
Common Name 4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine
CAS Number 40493-18-3 Molecular Weight 224.710
Density 1.4±0.1 g/cm3 Boiling Point 377.2±37.0 °C at 760 mmHg
Molecular Formula C10H9ClN2S Melting Point N/A
MSDS N/A Flash Point 181.9±26.5 °C

 Names

Name 4-Chloro-5,6,7,8-tetrahydro-1-benzothieno[2,3-d]pyrimidine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 377.2±37.0 °C at 760 mmHg
Molecular Formula C10H9ClN2S
Molecular Weight 224.710
Flash Point 181.9±26.5 °C
Exact Mass 224.017502
PSA 54.02000
LogP 3.48
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.688
InChIKey PRNJDUCSVXTOTN-UHFFFAOYSA-N
SMILES Clc1ncnc2sc3c(c12)CCCC3

 Safety Information

HS Code 2934999090

 Synthetic Route

~48%

4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine Structure

4-Chloro-5,6,7,...

CAS#:40493-18-3

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Literature: Yamaguchi, Hitoshi; Ishikawa, Fumiyoshi Chemical and Pharmaceutical Bulletin, 1982 , vol. 30, # 1 p. 326 - 332

~%

4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine Structure

4-Chloro-5,6,7,...

CAS#:40493-18-3

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Literature: Nirogi, Ramakrishna V.S.; Kambhampati, Sastri Rama; Kothmirkar, Prabhakar; Arepalli, Sobhanadri; Pamuleti, Narasimha Reddy G.; Shinde, Anil K.; Dubey Synthetic Communications, 2011 , vol. 41, # 19 p. 2835 - 2851

~%

4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine Structure

4-Chloro-5,6,7,...

CAS#:40493-18-3

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Literature: NIMBUS IRIS, INC.; ROMERO, Donna L.; WESSEL, Matthew David; ROBINSON, Shaughnessy; GREENWOOD, Jeremy Robert; WATTS, Karl Shawn; FRYE, Leah Lynn; HARRIMAN, Geraldine C.; CORIN, Alan Franklin; MASSE, Craig Patent: WO2012/97013 A1, 2012 ; WO 2012/097013 A1

~%

4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine Structure

4-Chloro-5,6,7,...

CAS#:40493-18-3

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Literature: Miyashita, Akira; Fujimoto, Katsuhiro; Okada, Tomomi; Higashino, Takeo Heterocycles, 1996 , vol. 42, # 2 p. 691 - 699

~%

4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine Structure

4-Chloro-5,6,7,...

CAS#:40493-18-3

Learn More
Literature: Yamaguchi, Hitoshi; Ishikawa, Fumiyoshi Chemical and Pharmaceutical Bulletin, 1982 , vol. 30, # 1 p. 326 - 332

~%

4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine Structure

4-Chloro-5,6,7,...

CAS#:40493-18-3

Learn More
Literature: Yamaguchi, Hitoshi; Ishikawa, Fumiyoshi Chemical and Pharmaceutical Bulletin, 1982 , vol. 30, # 1 p. 326 - 332

~0%

4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine Structure

4-Chloro-5,6,7,...

CAS#:40493-18-3

Detail Learn More
Literature: Yamaguchi, Hitoshi; Ishikawa, Fumiyoshi Chemical and Pharmaceutical Bulletin, 1982 , vol. 30, # 1 p. 326 - 332

~%

4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine Structure

4-Chloro-5,6,7,...

CAS#:40493-18-3

Learn More
Literature: Jain, Kishor S.; Khedkar, Vijay M.; Arya, Nikhilesh; Rane, Prasad V.; Chaskar, Pratip K.; Coutinho, Evans C. European Journal of Medicinal Chemistry, 2014 , vol. 77, p. 166 - 175

~97%

4-Chloro-5,6,7,8-Tetrahydrobenzo[4,5]Thieno[2,3-D]Pyrimidine Structure

4-Chloro-5,6,7,...

CAS#:40493-18-3

Learn More
Literature: Perspicace, Enrico; Hesse, Stephanie; Kirsch, Gilbert; Yemloul, Mehdi; Lecomte, Claude Journal of Heterocyclic Chemistry, 2009 , vol. 46, # 3 p. 459 - 464

 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%

 Bioassay

View more

Name: A screen for compounds that inhibit cell wall-associated teichoic acid synthesis in S...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: N/A
External Id: HMS704
Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: Chemical Probes of Kaposi's Sarcoma Herpes Virus Latent Infection
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: ORF 73 [Human herpesvirus 8 type M]
External Id: HMS791
Name: High-throughput screen for inhibitors of the GIV GBA-motif interaction with Galpha-i ...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS1303
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: Alphascreen assay for small molecules abrogating mHTT-CaM Interaction
Source: 24983
Target: Huntingtin
External Id: KUHTS-Muma KU-CaM-Htt INH-01
Name: Cell-based high throughput primary assay to identify activators of GPR151
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=G-protein coupled receptor 151; AltName: Full=G-protein coupled receptor PGR7; AltName: Full=GPCR-2037; AltName: Full=Galanin receptor 4; AltName: Full=Galanin-receptor-like protein; Short=GalRL
External Id: GPR151_PHUNTER_AG_LUMI_1536_1X%ACT
Name: AlphaScreen-based biochemical high throughput primary assay to identify activators of...
Source: The Scripps Research Institute Molecular Screening Center
Target: N/A
External Id: FBW7_ACT_ALPHA_1536_1X%ACT PRUN
Name: AlphaScreen-based biochemical high throughput primary assay to identify inhibitors of...
Source: The Scripps Research Institute Molecular Screening Center
External Id: MITF_INH_Alpha_1536_1X%INH PRUN
Name: A screen for compounds that inhibit viral RNA polymerase binding and polymerization a...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: Chain A, Poliovirus Polymerase With Gtp
External Id: HMS750
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 Synonyms

4-Chloro-5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidine
4-chloro-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine
4-Chloro-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine
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