4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide

Modify Date: 2026-08-14 23:04:29

4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide Structure
4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide structure
Common Name 4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide
CAS Number 19446-96-9 Molecular Weight 196.22300
Density 1.408g/cm3 Boiling Point 432.2ºC at 760mmHg
Molecular Formula C9H8O3S Melting Point 128-129.5 °C
MSDS N/A Flash Point 294.1ºC

 Names

Name 1,1-dioxo-2,3-dihydrothiochromen-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.408g/cm3
Boiling Point 432.2ºC at 760mmHg
Melting Point 128-129.5 °C
Molecular Formula C9H8O3S
Molecular Weight 196.22300
Flash Point 294.1ºC
Exact Mass 196.01900
PSA 59.59000
LogP 2.12750
Vapour Pressure 1.13E-07mmHg at 25°C
Index of Refraction 1.597
InChIKey NNJAUTBXMFSABH-UHFFFAOYSA-N
SMILES O=C1CCS(=O)(=O)c2ccccc21

 Safety Information

HS Code 2932999099

 Synthetic Route

~%

4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide Structure

4H-1-Benzothiop...

CAS#:19446-96-9

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Literature: Nambara Yakugaku Zasshi, 1958 , vol. 78, p. 624,626 Chem.Abstr., 1958 , p. 18392

~93%

4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide Structure

4H-1-Benzothiop...

CAS#:19446-96-9

Learn More
Literature: Patonay; Adam; Levai; Koever; Nemeth; Peters Journal of Organic Chemistry, 2001 , vol. 66, # 7 p. 2275 - 2280

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Bioassay

View more

Name: qHTS screening for TAG (triacylglycerol) accumulators in algae
Source: 11812
Target: N/A
External Id: FATTTLab-Algae-Lipid
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: Small-molecule inhibitors of ST2 (IL1RL1)
Source: 20881
Target: interleukin-1 receptor-like 1 isoform [homo sapiens]
External Id: ST2_IL33_Inhibitors_Primary_Screening_77700
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: 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
Name: Antimicrobial activity against Bacillus subtilis assessed as growth inhibition at 91 ...
Source: ChEMBL
Target: Bacillus subtilis
External Id: CHEMBL3257120
Name: Antimicrobial activity against Pseudomonas fluorescens assessed as growth inhibition ...
Source: ChEMBL
Target: Pseudomonas fluorescens
External Id: CHEMBL3257123
Name: Cytotoxicity against human KB cells assessed as growth inhibition at 50 ug/ml after 2...
Source: ChEMBL
Target: KB
External Id: CHEMBL3257124
Name: NCI human tumor cell line growth inhibition assay. Data for the MCF7 Non-Small Cell L...
Source: DTP/NCI
Target: N/A
External Id: MCF7_OneDose
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 Synonyms

Thiochroman-4-one,1-dioxide
3,4-dihydro-2H-1-benzothiopyran-4-one 1,1-dioxide
thiochroman-4-one 1,1-dioxide
2,3-Dihydro-4H-thiochromen-4-one 1,1-dioxide
4H-1-Benzothiopyran-4-one,2,3-dihydro-,1,1-dioxide
1-thiochroman-4-one 1,1-dioxide
Thiochromanone 1,1-dioxide
2,3-dihydro-4(H)-1-benzothiopyran-4-one 1,1-dioxide
1,1-Dioxo-1lambda*6*-thiochroman-4-one
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