5-Hydroxy-1,3-benzoxathiol-2-one

Modify Date: 2026-07-16 18:43:51

5-Hydroxy-1,3-benzoxathiol-2-one Structure
5-Hydroxy-1,3-benzoxathiol-2-one structure
Common Name 5-Hydroxy-1,3-benzoxathiol-2-one
CAS Number 7735-56-0 Molecular Weight 168.170
Density 1.6±0.1 g/cm3 Boiling Point 375.4±44.0 °C at 760 mmHg
Molecular Formula C7H4O3S Melting Point N/A
MSDS N/A Flash Point 180.8±28.4 °C

 Names

Name 5-hydroxy-1,3-benzoxathiol-2-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 375.4±44.0 °C at 760 mmHg
Molecular Formula C7H4O3S
Molecular Weight 168.170
Flash Point 180.8±28.4 °C
Exact Mass 167.988113
PSA 78.68000
LogP 1.59
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.718
InChIKey HDSYJLOFQVPBJM-UHFFFAOYSA-N
SMILES O=c1oc2ccc(O)cc2s1

 Safety Information

HS Code 2930909090

 Synthetic Route

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5-Hydroxy-1,3-benzoxathiol-2-one Structure

5-Hydroxy-1,3-b...

CAS#:7735-56-0

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Literature: Hanzlik, Robert P.; Weller, Paul E.; Desai, Jayant; Zheng, Jiang; Hall, Larry R.; Slaughter, Donald E. Journal of Organic Chemistry, 1990 , vol. 55, # 9 p. 2736 - 2742

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5-Hydroxy-1,3-benzoxathiol-2-one Structure

5-Hydroxy-1,3-b...

CAS#:7735-56-0

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Literature: Burton; David Journal of the Chemical Society, 1952 , p. 2193,2195 Show Details Schubert Journal of the American Chemical Society, 1947 , vol. 69, p. 712

 Customs

HS Code 2930909090
Summary 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 5-Hydroxy-1,3-benzoxathiol-2-oneBioassay

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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: Screen for inhibitors of RMI FANCM (MM2) intereaction
Source: 11908
Target: N/A
External Id: RMI-FANCM-MM2
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: High Throughput Screening of small molecules that kill Mycobacterium tuberculosis
Source: 15607
Target: N/A
External Id: Cornell_MTB_2017
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
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 Synonyms

5-Hydroxy-1,3-benzoxathiol-2-one
5-Hydroxy-benzo[1,3]oxathiol-2-one
5-Hydroxy-1,3-benzothioxol-2-one
1,3-Benzoxathiol-2-one, 5-hydroxy
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