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4'-(4-bromobutyloxy)-1,1'-biphenyl-4-carbonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137763-05-4

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137763-05-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137763-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,7,6 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 137763-05:
(8*1)+(7*3)+(6*7)+(5*7)+(4*6)+(3*3)+(2*0)+(1*5)=144
144 % 10 = 4
So 137763-05-4 is a valid CAS Registry Number.

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