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3-((1R,2S)-2-Cyano-1-methyl-5-oxo-cyclopentyl)-propionic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

210834-57-4

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210834-57-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 210834-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,8,3 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 210834-57:
(8*2)+(7*1)+(6*0)+(5*8)+(4*3)+(3*4)+(2*5)+(1*7)=104
104 % 10 = 4
So 210834-57-4 is a valid CAS Registry Number.

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