93591-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93591-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,5,9 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 93591-31:
(7*9)+(6*3)+(5*5)+(4*9)+(3*1)+(2*3)+(1*1)=152
152 % 10 = 2
So 93591-31-2 is a valid CAS Registry Number.
93591-31-2Relevant articles and documents
Stereoselective Synthesis of 3-(1-Hydroxyethyl)-2-azetidinones from 3-Hydroxybutyrates
Georg, Gunda I.
, p. 3779 - 3782 (1984)
Addition of dianions of 3-hydroxybutyrates to benzylideneaniline result in direct formation of trans S*-3-(1-hydroxyethyl)-1,4-diphenyl-2-azetidinone with 95percent diastereoselectivity.Inversion of the configuration at Cα gives the
