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2-chloro-1-(1,2-dimethyl-indol-3-yl)-2-phenyl-ethanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57642-12-3

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57642-12-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57642-12-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,6,4 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 57642-12:
(7*5)+(6*7)+(5*6)+(4*4)+(3*2)+(2*1)+(1*2)=133
133 % 10 = 3
So 57642-12-3 is a valid CAS Registry Number.

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