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Home/Compounds/CAS 2527-03-9
Formula C13H9NOSMW 227.28Research-use catalog entryCOA/SDS by request

2-phenyl-1,2-benzisothiazol-3-(2H)-one

CAS Number: 2527-03-9

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Loading RDKit molecule structure...
InChIKey: KDMQSUUXKLZVNU-UHFFFAOYSA-NC13H9NOS | MW 227.28

Chemical Absolute Identifiers

CAS Number

2527-03-9

PubChem CID

164981

Molecular Formula

C13H9NOS

Molecular Weight

227.28 g/mol

Exact Mass

227.040485

InChIKey

KDMQSUUXKLZVNU-UHFFFAOYSA-N

IUPAC Name

2-phenyl-1,2-benzothiazol-3-one

SMILES String

O=c1c2ccccc2sn1-c1ccccc1

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

2-phenyl-1,2-benzisothiazol-3-(2H)-one (CAS 2527-03-9) is listed in the Advanced Chemicals portfolio, with molecular formula C13H9NOS and molecular weight 227. 28 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows; structure-derived tags include nitrogen-containing heterocycle.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Heterocyclic Building BlocksSynthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow
Biological target reference

ChEMBL reports experimental activity evidence for: Replicase polyprotein 1ab (Severe acute respiratory syndrome coronavirus 2) — 6 assays; Tyrosyl-DNA phosphodiesterase 1 (Homo sapiens) — 3 assays; 15-hydroxyprostaglandin dehydrogenase [NAD(+)] (Homo sapiens) — 2 assays; Phosphoethanolamine/phosphocholine phosphatase (Homo sapiens) — 2 assays; Glucose-6-phosphate dehydrogenase-6-phosphogluconolactonase (Plasmodium berghei) — 3 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.

Replicase polyprotein 1ab

Severe acute respiratory syndrome coronavirus 2 · SINGLE PROTEIN · 6 qualifying assays · 6 documents · best pChEMBL 6.89

Experimental evidence source: ChEMBL

Tyrosyl-DNA phosphodiesterase 1

Homo sapiens · SINGLE PROTEIN · 3 qualifying assays · 1 documents · best pChEMBL 6.4

Experimental evidence source: ChEMBL

15-hydroxyprostaglandin dehydrogenase [NAD(+)]

Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents · best pChEMBL 6.35

Experimental evidence source: ChEMBL

Phosphoethanolamine/phosphocholine phosphatase

Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 2 documents · best pChEMBL 6.03

Experimental evidence source: ChEMBL

Glucose-6-phosphate dehydrogenase-6-phosphogluconolactonase

Plasmodium berghei · SINGLE PROTEIN · 3 qualifying assays · 1 documents · best pChEMBL 5.94

Experimental evidence source: ChEMBL

Safety & Handling

Safety and handling reference content is available through documentation requests.

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Preliminary Safety Reference

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Names & Synonyms / External Identifiers

Chemical Name

2-phenyl-1,2-benzisothiazol-3-(2H)-one

Names & Synonyms

1,2-Benzisothiazol-3(2H)-one, 2-phenyl-PZ252-Phenyl-1,2-benzoisothiazol-3(2H)-one2-Phenylbenzo[d]isothiazol-3(2H)-oneEbsulfur
Show all synonyms
2-phenyl-1,2-benzisothiazol-3(2H)-oneRP 62373MLS-0107957.00012-Phenyl-3-thiaisoindolin-1-one2-phenyl-2,3-dihydro-1,2-benzothiazol-3-onePZ 25N-phenyl-1,2-benzothiazolin-3-onecid_1649812-Phenyl-benzo[d]isothiazol-3-one2-phenyl-1,2-benzothiazol-3(2H)-one2-phenyl-1,2-benzothiazol-3-one (1)2-Phenyl-1,2-benzisothiazol-3(2H)-onAG-690/40083036
External Identifiers
EC NUMBER: 843-953-5DSSTOX SUBSTANCE ID: DTXSID50179917CHEMBL ID: CHEMBL45152WIKIDATA ID: Q83050422PZ-25
Literature & Patent References
DOI 10.1016/j.ejmech.2023.115979Development of de-novo coronavirus 3-chymotrypsin-like protease (3CL<sup>pro</sup>) inhibitors since COVID-19 outbreak: A strategy to tackle challenges of persistent virus infection.PMID 38048696Development of de-novo coronavirus 3-chymotrypsin-like protease (3CL<sup>pro</sup>) inhibitors since COVID-19 outbreak: A strategy to tackle challenges of persistent virus infection.DOI 10.6019/EOS300108ECBD screening data for assay EOS300108DOI 10.1021/acs.jmedchem.1c02102Structure-Guided Discovery of the Novel Covalent Allosteric Site and Covalent Inhibitors of Fructose-1,6-Bisphosphate Aldolase to Overcome the Azole Resistance of <i>Candidiasis</i>.DOI 10.1021/acs.jmedchem.2c01005Targeting SARS-CoV-2 Main Protease for Treatment of COVID-19: Covalent Inhibitors Structure-Activity Relationship Insights and Evolution Perspectives.DOI 10.6019/EOS300041ECBD screening data for assay EOS300041DOI 10.6019/EOS300044ECBD screening data for assay EOS300044PMID 35099959Structure-Guided Discovery of the Novel Covalent Allosteric Site and Covalent Inhibitors of Fructose-1,6-Bisphosphate Aldolase to Overcome the Azole Resistance of <i>Candidiasis</i>.

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

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  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

2-(4-(Dimethylamino)phenyl)benzo[d]isothiazol-3(2H)-oneCAS 106595-93-1
2-Methyl-1,2-benzisothiazolin-3-oneCAS 2527-66-4
2-Butyl-2,3-dihydrobenzisothiazol-3-oneCAS 4299-07-4
2-[[4-(Cyclopropanecarbonyl)piperazin-1-yl]methyl]-1,2-benzothiazol-3-oneCAS 877963-94-5
1,2-Benzisothiazole-3-acetic acidCAS 29266-68-0

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 106595-93-12-(4-(Dimethylamino)phenyl)benzo[d]isothiazol-3(2H)-oneCAS 2527-66-42-Methyl-1,2-benzisothiazolin-3-oneCAS 4299-07-42-Butyl-2,3-dihydrobenzisothiazol-3-oneCAS 60940-34-3EbselenCAS 50-65-7NiclosamideCAS 159803-11-96-Fluoro-1,2-benzothiazol-3(2H)-oneCAS 118-75-2ChloranilCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 2527-03-9

What are the key identifiers for 2-phenyl-1,2-benzisothiazol-3-(2H)-one (CAS 2527-03-9)?

2-phenyl-1,2-benzisothiazol-3-(2H)-one is identified by CAS 2527-03-9, with molecular formula C13H9NOS, molecular weight 227.28, InChIKey KDMQSUUXKLZVNU-UHFFFAOYSA-N.

Does CAS 2527-03-9 have reported biological target evidence?

ChEMBL contains qualifying experimental assay evidence associated with Replicase polyprotein 1ab, Tyrosyl-DNA phosphodiesterase 1, 15-hydroxyprostaglandin dehydrogenase [NAD(+)], Phosphoethanolamine/phosphocholine phosphatase, Glucose-6-phosphate dehydrogenase-6-phosphogluconolactonase. These records do not establish therapeutic efficacy or clinical use.

Can I request a COA for CAS 2527-03-9?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for 2-phenyl-1,2-benzisothiazol-3-(2H)-one?

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