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2-(4-{4-[5-(3,4-dichlorophenyl)-4-pyridin-4-yl-1H-imidazol-2-yl]-piperidin-1-yl }-butyl)-isoindole-1,3-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

189442-20-4

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189442-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189442-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,4,4 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 189442-20:
(8*1)+(7*8)+(6*9)+(5*4)+(4*4)+(3*2)+(2*2)+(1*0)=164
164 % 10 = 4
So 189442-20-4 is a valid CAS Registry Number.

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