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5-[(1R,3aS,5R,6S,6aS)-5-(tert-Butyl-dimethyl-silanyloxy)-6-cyano-1-hydroxy-hexahydro-pentalen-(2E)-ylidene]-pentanoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

127744-10-9

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127744-10-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127744-10-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,4 and 4 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 127744-10:
(8*1)+(7*2)+(6*7)+(5*7)+(4*4)+(3*4)+(2*1)+(1*0)=129
129 % 10 = 9
So 127744-10-9 is a valid CAS Registry Number.

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