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109423-87-2

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109423-87-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109423-87-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,4,2 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 109423-87:
(8*1)+(7*0)+(6*9)+(5*4)+(4*2)+(3*3)+(2*8)+(1*7)=122
122 % 10 = 2
So 109423-87-2 is a valid CAS Registry Number.

109423-87-2Relevant articles and documents

PROCESS FOR PREPARING (R)-ARYLOXYPROPIONIC ACID ESTER DERIVATIVES

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Page 7, (2008/06/13)

The present invention relates to a method for preparing optically active (R)-aryloxypropionic acid ester derivatives, and more particularly to a method for preparing (R)- aryloxypropionic acid ester derivatives with high optical purity and good yield at low cost from phenol derivatives with various substituted functional groups and (S)-alkyl O-arylsulfonyl lactates.

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