22839-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22839-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,3 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 22839-66:
(7*2)+(6*2)+(5*8)+(4*3)+(3*9)+(2*6)+(1*6)=123
123 % 10 = 3
So 22839-66-3 is a valid CAS Registry Number.
22839-66-3Relevant articles and documents
STEREOCONTROLLED SYNTHESES OF ASPARTAME AND ITS (R)-ASPARTYL CONGENER VIA NITRONE CYCLOADDITION
Keirs, David,Overton, Karl
, p. 841 - 848 (2007/10/02)
The title compounds have been synthesised via cycloaddition of nitrones (3a,b,c) to 2-chloroacrylonitrile.