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117402-85-4

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117402-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117402-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,4,0 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117402-85:
(8*1)+(7*1)+(6*7)+(5*4)+(4*0)+(3*2)+(2*8)+(1*5)=104
104 % 10 = 4
So 117402-85-4 is a valid CAS Registry Number.

117402-85-4Downstream Products

117402-85-4Relevant articles and documents

PAPAIN-ASSISTED RESOLUTION OF NATURAL AND XENOBIOTIC α-AMINO ACIDS

Moriniere, J. L.,Danree, B.,Lemoine, J.,Guy, A.

, p. 441 - 444 (2007/10/02)

A new and convenient method for the preparation of pure enantiomers of α-amino acids is described.Industrial papain, catalyzes the synthesis of L-Z-amino acid ethyl esters in ethanolic medium, with good yields.These esters are obtained from DL-Z-amino acids with 100percent optical purity.Unreactive D-Z-amino acids are readily isolated from reaction medium.Physical constants of natural and xenobiotic L-Z-amino acid esters and D-Z-amino acids are described.

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