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(E)-2,7-Dibenzyl-2,7-bis-ethoxycarbonyl-4-methyl-oct-4-enedioic acid diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

55053-89-9

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55053-89-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55053-89-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,0,5 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 55053-89:
(7*5)+(6*5)+(5*0)+(4*5)+(3*3)+(2*8)+(1*9)=119
119 % 10 = 9
So 55053-89-9 is a valid CAS Registry Number.

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