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5,5'-Dichlor-2-hydroxy-2'-(2,3-dihydroxy-propoxy)-3,3'-dimethyl-diphenylmethan is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

99117-71-2

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99117-71-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99117-71-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,1,1 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99117-71:
(7*9)+(6*9)+(5*1)+(4*1)+(3*7)+(2*7)+(1*1)=162
162 % 10 = 2
So 99117-71-2 is a valid CAS Registry Number.

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