4-Diphenylsulfamyl-acetophenone, also known as 1-(4-acetylphenyl)-3,3-diphenyl-1-triazene, is an organic compound with the chemical formula C21H17N3S. It is a derivative of acetophenone, featuring a diphenylsulfamyl group attached to the 4-position of the acetophenone moiety. 4-DIPHENYLSULFAMYL-ACETOPHENONE is characterized by its yellow crystalline appearance and is soluble in organic solvents such as ethanol and acetone. It is primarily used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly in the production of sulfonamide antibiotics. Due to its reactivity, it is important to handle 4-diphenylsulfamyl-acetophenone with care, as it may pose health risks and requires proper safety measures during its use and storage.

3938-79-2

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Basic information
1. Product Name: 4-DIPHENYLSULFAMYL-ACETOPHENONE
2. Synonyms: 4-DIPHENYLSULFAMYL-ACETOPHENONE
3. CAS NO:3938-79-2
4. Molecular Formula: C20H17NO3S
5. Molecular Weight: 351.42
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 3938-79-2.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 4-DIPHENYLSULFAMYL-ACETOPHENONE(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-DIPHENYLSULFAMYL-ACETOPHENONE(3938-79-2)
11. EPA Substance Registry System: 4-DIPHENYLSULFAMYL-ACETOPHENONE(3938-79-2)
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: 3938-79-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3938-79-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,3 and 8 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3938-79:
(6*3)+(5*9)+(4*3)+(3*8)+(2*7)+(1*9)=122
122 % 10 = 2
So 3938-79-2 is a valid CAS Registry Number.

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