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(3'α,3'aα,7'β(E),7'aα)-(+/-)-ethyl 3-[3'-ethoxyoctahydro-7'a-(methoxymethyl)-2',5,5-trimethyl-1'-oxospiro[1,3-dioxane-2,5'-[5H]isoindol]-7'-yl]-2-propenoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

117897-40-2

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117897-40-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117897-40-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,8,9 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 117897-40:
(8*1)+(7*1)+(6*7)+(5*8)+(4*9)+(3*7)+(2*4)+(1*0)=162
162 % 10 = 2
So 117897-40-2 is a valid CAS Registry Number.

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