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1,1,1-trichloro-2,2-bis-(5-chloro-2-methyl-phenyl)-ethane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

132857-84-2

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132857-84-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132857-84-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,8,5 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 132857-84:
(8*1)+(7*3)+(6*2)+(5*8)+(4*5)+(3*7)+(2*8)+(1*4)=142
142 % 10 = 2
So 132857-84-2 is a valid CAS Registry Number.

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