137152-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137152-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,5 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 137152-19:
(8*1)+(7*3)+(6*7)+(5*1)+(4*5)+(3*2)+(2*1)+(1*9)=113
113 % 10 = 3
So 137152-19-3 is a valid CAS Registry Number.
137152-19-3Relevant articles and documents
Reaction of N-arylsulfonylaziridines with dimethylsulfoxonium methylide in the presence of 18-crown-6 -An improved synthesis of 2-aryl-N-arylsulfonylazetidines
Nadir, Upender K.,Arora, Anjali
, p. 163 - 166 (2007/10/03)
An improved synthesis of 2-aryl-N-arylsulfonyl-azetidines by the reaction of N-arylsulfonylaziridines with dimethylsulfoxonium methylide in the presence of 18-crown-6 is described.
