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(S)-ethyl 1-[4,4-bis(3-methylthiophen-2-yl)but-3-en-1-yl]piperidine-3-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

159662-21-2

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159662-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159662-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,6,6 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 159662-21:
(8*1)+(7*5)+(6*9)+(5*6)+(4*6)+(3*2)+(2*2)+(1*1)=162
162 % 10 = 2
So 159662-21-2 is a valid CAS Registry Number.

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