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1,3,1',3'-tetraoxo-2,2'-diphenyl-2,3,2',3'-tetrahydro-1H,1'H-[6,6']bi[benzo[de]isoquinolinyl]-7,7'-dicarboxylic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

56813-69-5

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56813-69-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56813-69-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,8,1 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 56813-69:
(7*5)+(6*6)+(5*8)+(4*1)+(3*3)+(2*6)+(1*9)=145
145 % 10 = 5
So 56813-69-5 is a valid CAS Registry Number.

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