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(4aS,6S,7R,7aS)-6-Acetoxy-7-methyl-1-oxo-1,4a,5,6,7,7a-hexahydro-cyclopenta[c]pyran-4-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91653-32-6

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91653-32-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91653-32-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,5 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91653-32:
(7*9)+(6*1)+(5*6)+(4*5)+(3*3)+(2*3)+(1*2)=136
136 % 10 = 6
So 91653-32-6 is a valid CAS Registry Number.

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