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(7E,9E)-(5R,6S)-5,6-Bis-(tert-butyl-dimethyl-silanyloxy)-12-trimethylsilanyl-dodeca-7,9-dien-11-ynoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99033-15-5

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99033-15-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99033-15-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,3 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99033-15:
(7*9)+(6*9)+(5*0)+(4*3)+(3*3)+(2*1)+(1*5)=145
145 % 10 = 5
So 99033-15-5 is a valid CAS Registry Number.

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