2H-1,4-Benzothiazin-3(4H)-one - ≥98%(GC) , CAS No.5325-20-2

CAS: 5325-20-2 Cat. No.: H157316 Molecular Weight: 165.21 EC Number: 226-197-5
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(GC)
Synonyms
GNF-Pf-3697 | F19976 | HMS1788G07 | 4H-BENZO(1,4)THIAZIN-3-ONE | 4H-Benzo[1,4]thiazin-3-one | 4B-058 | AKOS001053245 | 3-OXO-1,4-BENZOTHIAZINE | SMR001547028 | EINECS 226-197-5 | B4554 | (2h),1,4-benzothiazin-3(4h)-one | DTXSID20201355 | MFCD00006698 | (2
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
200mg
H157316-200mg
3
$9.90
1g
H157316-1g
3
$10.90
5g
H157316-5g
10

$12.90

$19.90
Save $7.00 (35.18%)
25g
H157316-25g
7

$44.90

$67.90
Save $23.00 (33.87%)
100g
H157316-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$164.90

$247.90
Save $83.00 (33.48%)
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Why this grade

≥98%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
GNF-Pf-3697 | F19976 | HMS1788G07 | 4H-BENZO(1, 4)THIAZIN-3-ONE | 4H-Benzo[1, 4]thiazin-3-one | 4B-058 | AKOS001053245 | 3-OXO-1, 4-BENZOTHIAZINE | SMR001547028 | EINECS 226-197-5 | B4554 | (2h), 1, 4-benzothiazin-3(4h)-one | DTXSID20201355 | MFCD00006698 | (2
Specifications & Purity
≥98%(GC)
Storage
Room temperature
Shipped In
Normal
Purity
≥98%(GC)
Names and Identifiers
Pubchem Sid488182687
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488182687
Canonical SmilesC1C(=O)NC2=CC=CC=C2S1
IUPAC Name4H-1,4-benzothiazin-3-one
InChIKeyGTFMIJNXNMDHAB-UHFFFAOYSA-N
INCHI1S/C8H7NOS/c10-8-5-11-7-4-2-1-3-6(7)9-8/h1-4H,5H2,(H,9,10)
Isomeric SMILES C1C(=O)NC2=CC=CC=C2S1
WGK Germany 3
Molecular Weight 165.21
Reaxy-Rn 131642
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=131642&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzothiazines
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzothiazines
Alternative Parents Alkylarylthioethers  Benzenoids  1,4-thiazines  Secondary carboxylic acid amides  Lactams  Azacyclic compounds  Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Benzothiazine - Aryl thioether - Alkylarylthioether - Para-thiazine - Benzenoid - Carboxamide group - Lactam - Secondary carboxylic acid amide - Carboxylic acid derivative - Thioether - Azacycle - Organooxygen compound - Organonitrogen compound - Organic oxide - Organic nitrogen compound - Organopnictogen compound - Carbonyl group - Hydrocarbon derivative - Organic oxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzothiazines. These are organic compounds containing a benzene fused to a thiazine ring (a six-membered ring with four carbon atoms, one nitrogen atom and one sulfur atom).
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
Huh-7 (12904 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
HepG2 (196354 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
TDP1 Tchem Tyrosyl-DNA phosphodiesterase 1 (345557 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GMNN Tbio Geminin (128009 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Plasmodium falciparum (966862 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

7 results found

Lot NumberCertificate TypeDateItem
G2402333Certificate of AnalysisApr 03, 2026 H157316
G2402334Certificate of AnalysisApr 03, 2026 H157316
G2402335Certificate of AnalysisApr 03, 2026 H157316
A2226083Certificate of AnalysisAug 11, 2025 H157316
G1916083Certificate of AnalysisNov 18, 2024 H157316
L2208585Certificate of AnalysisDec 16, 2022 H157316
K2230128Certificate of AnalysisDec 07, 2022 H157316
Chemical and Physical Properties
Melt Point(°C)180 °C
Molecular Weight165.210 g/mol
XLogP31.400
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass165.025 Da
Monoisotopic Mass165.025 Da
Topological Polar Surface Area54.400 Ų
Heavy Atom Count11
Formal Charge0
Complexity171.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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