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1-(2',3'-dimethyl-1-buten-3-yl)-3-methyl-4-cyano-1,2-dihydronaphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81940-32-1

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81940-32-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81940-32-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,4 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81940-32:
(7*8)+(6*1)+(5*9)+(4*4)+(3*0)+(2*3)+(1*2)=131
131 % 10 = 1
So 81940-32-1 is a valid CAS Registry Number.

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