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2-bromo-5-o-tolyl-[1,3,4]thiadiazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57709-50-9

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57709-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57709-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,0 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57709-50:
(7*5)+(6*7)+(5*7)+(4*0)+(3*9)+(2*5)+(1*0)=149
149 % 10 = 9
So 57709-50-9 is a valid CAS Registry Number.

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