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2H-Pyran-2-one,6-(1-cyclopenten-1-yl)-4-ethoxy-5,6-dihydro-(9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

408308-16-7

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408308-16-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 408308-16-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,8,3,0 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 408308-16:
(8*4)+(7*0)+(6*8)+(5*3)+(4*0)+(3*8)+(2*1)+(1*6)=127
127 % 10 = 7
So 408308-16-7 is a valid CAS Registry Number.

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