2-(N-Benzyl-toluol-4-sulfonylamino)-5-chlor-benzophenon is a complex organic chemical compound with the molecular formula C20H16ClNO3S. It is characterized by a benzophenone core, which is a type of aromatic ketone, with a chlorine atom at the 5-position and a sulfonylamino group at the 2-position. The sulfonylamino group is derived from N-benzyl-4-methylphenol (toluene-4-sulfonamide), indicating a benzyl group attached to a toluene ring that is further connected to a sulfonyl group. 2--5-chlor-benzophenon is likely to be used in the synthesis of pharmaceuticals or as an intermediate in chemical reactions due to its unique structure and functional groups.

5543-95-3

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Basic information
1. Product Name: 2--5-chlor-benzophenon
2. Synonyms:
3. CAS NO:5543-95-3
4. Molecular Formula:
5. Molecular Weight: 475.996
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: 2--5-chlor-benzophenon(CAS DataBase Reference)
10. NIST Chemistry Reference: 2--5-chlor-benzophenon(5543-95-3)
11. EPA Substance Registry System: 2--5-chlor-benzophenon(5543-95-3)
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: 5543-95-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5543-95-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,4 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5543-95:
(6*5)+(5*5)+(4*4)+(3*3)+(2*9)+(1*5)=103
103 % 10 = 3
So 5543-95-3 is a valid CAS Registry Number.

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