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((6R,7S)-7-Isopropenyl-1,4-dioxa-spiro[4.5]dec-6-yl)-acetic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

83719-63-5

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83719-63-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83719-63-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,1 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83719-63:
(7*8)+(6*3)+(5*7)+(4*1)+(3*9)+(2*6)+(1*3)=155
155 % 10 = 5
So 83719-63-5 is a valid CAS Registry Number.

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