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371255-35-5

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371255-35-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 371255-35-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,1,2,5 and 5 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 371255-35:
(8*3)+(7*7)+(6*1)+(5*2)+(4*5)+(3*5)+(2*3)+(1*5)=135
135 % 10 = 5
So 371255-35-5 is a valid CAS Registry Number.

371255-35-5Relevant articles and documents

A practical synthesis of ethyl (R)- and (S)-2-hydroxy-4-phenylbutanoate and D-homophenylalanine ethyl ester hydrochloride from L-malic acid

Lin, Wen-Qing,He, Ze,Jing, Yi,Cui, Xin,Liu, Hui,Mi, Ai-Qiao

, p. 1583 - 1587 (2007/10/03)

With the readily available L-malic acid as starting material, both enantiomers of ethyl 2-hydroxyl-4-phenylbutanoates and D-homophenylalanine ethyl ester hydrochloride were prepared conveniently in excellent optical purity and 64, 53 and 49% overall yield, respectively.

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