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4'-oxo-1'-phenethyl-1',2',3',4',5',6'-hexahydro-[2,2';6',2'']terpyridine-3',5'-dicarboxylic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42165-99-1

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42165-99-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42165-99-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,6 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 42165-99:
(7*4)+(6*2)+(5*1)+(4*6)+(3*5)+(2*9)+(1*9)=111
111 % 10 = 1
So 42165-99-1 is a valid CAS Registry Number.

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