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N-(3,5-dimethyl-4-oxocyclohexa-2,5-dien-1-ylidene)methanesulfonamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

321687-80-3

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321687-80-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 321687-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,6,8 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 321687-80:
(8*3)+(7*2)+(6*1)+(5*6)+(4*8)+(3*7)+(2*8)+(1*0)=143
143 % 10 = 3
So 321687-80-3 is a valid CAS Registry Number.

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