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3,10-Dithia-tricyclo[10.2.2.25,8]octadeca-1(15),5(18),6,8(17),12(16),13-hexaene-6,17-dicarboxylic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

54143-26-9

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54143-26-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54143-26-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,1,4 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 54143-26:
(7*5)+(6*4)+(5*1)+(4*4)+(3*3)+(2*2)+(1*6)=99
99 % 10 = 9
So 54143-26-9 is a valid CAS Registry Number.

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