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[1,1'-Biphenyl]-2-carboxylic acid, 4'-ethyl-2'-(2-ethyl-9H-fluoren-9-yl)-, methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

67715-48-4

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67715-48-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67715-48-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,1 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67715-48:
(7*6)+(6*7)+(5*7)+(4*1)+(3*5)+(2*4)+(1*8)=154
154 % 10 = 4
So 67715-48-4 is a valid CAS Registry Number.

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