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4-[6-(4-acetoxymethyl-2-methyl-pent-4-enyl)-5,6-dihydro-2H-pyran-2-yl]-but-2-enoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

916771-83-0

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916771-83-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 916771-83-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,6,7,7 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 916771-83:
(8*9)+(7*1)+(6*6)+(5*7)+(4*7)+(3*1)+(2*8)+(1*3)=200
200 % 10 = 0
So 916771-83-0 is a valid CAS Registry Number.

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