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C18H14(2)H2N2O is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

285138-89-8

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285138-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 285138-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,5,1,3 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 285138-89:
(8*2)+(7*8)+(6*5)+(5*1)+(4*3)+(3*8)+(2*8)+(1*9)=168
168 % 10 = 8
So 285138-89-8 is a valid CAS Registry Number.

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