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2-<3-bromomethylphenyl>-5-(2-tosylaminophenyl)-1,3,4-oxadiazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

83989-75-7

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83989-75-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83989-75-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,8 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83989-75:
(7*8)+(6*3)+(5*9)+(4*8)+(3*9)+(2*7)+(1*5)=197
197 % 10 = 7
So 83989-75-7 is a valid CAS Registry Number.

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