117571-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117571-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,5,7 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 117571-54:
(8*1)+(7*1)+(6*7)+(5*5)+(4*7)+(3*1)+(2*5)+(1*4)=127
127 % 10 = 7
So 117571-54-7 is a valid CAS Registry Number.
117571-54-7Relevant articles and documents
Asymmetric synthesis of a potent and selective competitive NMDA antagonist
Hamilton,Huang,Yang,Patch,Narayanan,Ferkany
, p. 7263 - 7270 (2007/10/02)
(2R,4R,5S)-2-Amino-4,5-(1,2-cyclohexyl)-7-phosphonoheptanoic acid (15) has been prepared by an efficient nine-step route (16% overall yield) which uses chemoenzymatic processes to establish all absolute stereochemistry. This compound was found to be the m