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(3R,4R)-5-(tert-Butyl-dimethyl-silanyloxy)-3-(1-ethoxy-2-iodo-ethoxy)-4-methyl-pentanal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

197771-08-7

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197771-08-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197771-08-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,7,7 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 197771-08:
(8*1)+(7*9)+(6*7)+(5*7)+(4*7)+(3*1)+(2*0)+(1*8)=187
187 % 10 = 7
So 197771-08-7 is a valid CAS Registry Number.

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