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<4S-(4α,4aα,5β,7aα,7bα)>-5-ethoxy-4a,7,7a,7b-tetrahydro-4-<(t-butyldimethylsilyl)oxy>methyl-5H-1,6-dioxa-2-oxacyclopent(cd)indene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109669-29-6

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109669-29-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109669-29-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,6 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109669-29:
(8*1)+(7*0)+(6*9)+(5*6)+(4*6)+(3*9)+(2*2)+(1*9)=156
156 % 10 = 6
So 109669-29-6 is a valid CAS Registry Number.

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