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1-[acetyl-(2,4-dinitro-benzoyl)-amino]-4-dimethylamino-benzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

857581-16-9

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857581-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857581-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,8 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 857581-16:
(8*8)+(7*5)+(6*7)+(5*5)+(4*8)+(3*1)+(2*1)+(1*6)=209
209 % 10 = 9
So 857581-16-9 is a valid CAS Registry Number.

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