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1-(2-cyanophenyl)-3-(3-nitrophenyl)urea is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

681470-41-7

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681470-41-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 681470-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,1,4,7 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 681470-41:
(8*6)+(7*8)+(6*1)+(5*4)+(4*7)+(3*0)+(2*4)+(1*1)=167
167 % 10 = 7
So 681470-41-7 is a valid CAS Registry Number.

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