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((1S,4R)-7,7-Dimethyl-2-oxo-bicyclo[2.2.1]hept-1-yl)-methanesulfonic acid 2-benzenesulfonyl-6-[(S)-9-((1S,4R)-7,7-dimethyl-2-oxo-bicyclo[2.2.1]hept-1-ylmethanesulfonyloxy)-decyl]-phenyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139304-91-9

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139304-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139304-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,0 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139304-91:
(8*1)+(7*3)+(6*9)+(5*3)+(4*0)+(3*4)+(2*9)+(1*1)=129
129 % 10 = 9
So 139304-91-9 is a valid CAS Registry Number.

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