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4-Amino-N-(3-chloroiranide)benzenesulphamide, also known as 4-amino-N-(3-chloro-2-hydroxyphenyl)benzenesulfonamide, is a chemical compound with the molecular formula C12H11ClN2O3S. It is a derivative of sulfonamide, a class of antibiotics that inhibit bacterial growth by interfering with the synthesis of bacterial folic acid. This specific compound features a benzene ring with a sulfonamide group attached, an amino group at the 4-position, and a 3-chloro-2-hydroxyphenyl group. It is a white crystalline solid and is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals. Due to its potential applications in the development of new drugs and its chemical properties, it is an important compound in the field of medicinal chemistry.

3920-99-8

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3920-99-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3920-99-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,9,2 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3920-99:
(6*3)+(5*9)+(4*2)+(3*0)+(2*9)+(1*9)=98
98 % 10 = 8
So 3920-99-8 is a valid CAS Registry Number.

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