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toluene-4-sulfonic acid-[N-isopropyl-4-(4-nitro-benzenesulfonyl)-anilide] is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

857005-72-2

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857005-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857005-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,0,0 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 857005-72:
(8*8)+(7*5)+(6*7)+(5*0)+(4*0)+(3*5)+(2*7)+(1*2)=172
172 % 10 = 2
So 857005-72-2 is a valid CAS Registry Number.

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