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5-[[(3S)-ethoxy-(2S)-pyrrolidinyl]carbonylamino]levulinic acid methyl ester hydrochloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

871981-12-3

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871981-12-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 871981-12-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,9,8 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 871981-12:
(8*8)+(7*7)+(6*1)+(5*9)+(4*8)+(3*1)+(2*1)+(1*2)=203
203 % 10 = 3
So 871981-12-3 is a valid CAS Registry Number.

871981-12-3Upstream product

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