6-Chloro-3-oxo-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide is a complex organic chemical compound with the molecular formula C7H4ClNO3S. It is a derivative of benzothiadiazine, a heterocyclic compound containing a benzene ring fused to a thiadiazine ring. The compound features a chlorine atom at the 6th position, a carbonyl group at the 3rd position, and an oxo group at the 1,1-dioxide position. This chemical is primarily used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly those with potential anti-inflammatory, analgesic, and antipyretic properties. Due to its complex structure and potential applications, it is an important compound in the field of medicinal chemistry and drug development.

1672-20-4

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Basic information
1. Product Name: 6-chloro-3-oxo-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide
2. Synonyms: 6-chloro-3-oxo-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide
3. CAS NO:1672-20-4
4. Molecular Formula:
5. Molecular Weight: 232.647
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 6-chloro-3-oxo-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide(CAS DataBase Reference)
10. NIST Chemistry Reference: 6-chloro-3-oxo-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide(1672-20-4)
11. EPA Substance Registry System: 6-chloro-3-oxo-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide(1672-20-4)
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: 1672-20-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1672-20-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,7 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1672-20:
(6*1)+(5*6)+(4*7)+(3*2)+(2*2)+(1*0)=74
74 % 10 = 4
So 1672-20-4 is a valid CAS Registry Number.

1672-20-4Upstream product

1672-20-4Downstream Products

21920-26-3 6-chloro-1,1-dioxo-2-[3-(4-phenyl-piperazin-1-yl)-propyl]-1,4-dihydro-2H-1λ⁶-benzo[1,2,4]thiadiazin-3-one

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