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3,2,1-benzoxathiazin-4(1H)-one 2,2-dioxide, also known as 1,2-benzisothiazol-3(2H)-one 1,1-dioxide, is a heterocyclic organic compound with the molecular formula C7H5NO3S2. It is a white crystalline solid that is soluble in water and various organic solvents. 3,2,1-benzoxathiazin-4(1H)-one 2,2-dioxide is characterized by its unique structure, which consists of a benzene ring fused to a 1,2-oxathiazolone ring, with an additional dioxide group attached to the carbon atom at position 2. It is primarily used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other chemical products. Due to its versatile chemical properties, it has attracted significant interest in the field of organic chemistry and drug development.

7399-87-3

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Basic information
1. Product Name: 3,2,1-benzoxathiazin-4(1H)-one 2,2-dioxide
2. Synonyms:
3. CAS NO:7399-87-3
4. Molecular Formula: C₇H₅NO₄S
5. Molecular Weight: 199.1839
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 379.3°C at 760 mmHg
3. Flash Point: 183.2°C
4. Appearance: N/A
5. Density: 1.575g/cm³
6. Vapor Pressure: 5.92E-06mmHg at 25°C
7. Refractive Index: 1.607
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: 3,2,1-benzoxathiazin-4(1H)-one 2,2-dioxide(CAS DataBase Reference)
11. NIST Chemistry Reference: 3,2,1-benzoxathiazin-4(1H)-one 2,2-dioxide(7399-87-3)
12. EPA Substance Registry System: 3,2,1-benzoxathiazin-4(1H)-one 2,2-dioxide(7399-87-3)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 7399-87-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7399-87-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,9 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7399-87:
(6*7)+(5*3)+(4*9)+(3*9)+(2*8)+(1*7)=143
143 % 10 = 3
So 7399-87-3 is a valid CAS Registry Number.

7399-87-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name	2,2-dioxo-1H-3,2λ<sup>6</sup>,1-benzoxathiazin-4-one

1.2 Other means of identification

Product number	-
Other names	2,2-dioxo-1H-3,2

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7399-87-3 SDS

7399-87-3Upstream product

118-92-3 anthranilic acid

7399-87-3Downstream Products

7399-87-3Relevant academic research and scientific papers

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