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(3-{(S)-5-[2-(2-Ethyl-[1,3]dioxolan-2-yl)-ethyl]-8a-methyl-1,6-dioxo-1,2,3,4,6,7,8,8a-octahydro-naphthalen-2-yl}-prop-1-ynyl)-phosphonic acid diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128685-76-7

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128685-76-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128685-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,8 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128685-76:
(8*1)+(7*2)+(6*8)+(5*6)+(4*8)+(3*5)+(2*7)+(1*6)=167
167 % 10 = 7
So 128685-76-7 is a valid CAS Registry Number.

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