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(2E,6E,1'R,4'R)-7-(4'-t-butyldimethylsilyloxy-3',3'-dimethyl-2'-oxacyclopentyl)-3,7-dimethyl-2,6-heptadienyl chloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99664-70-7

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99664-70-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99664-70-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,6,6 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99664-70:
(7*9)+(6*9)+(5*6)+(4*6)+(3*4)+(2*7)+(1*0)=197
197 % 10 = 7
So 99664-70-7 is a valid CAS Registry Number.

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