64889-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64889-90-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,8,8 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 64889-90:
(7*6)+(6*4)+(5*8)+(4*8)+(3*9)+(2*9)+(1*0)=183
183 % 10 = 3
So 64889-90-3 is a valid CAS Registry Number.
64889-90-3Relevant articles and documents
SYNTHESE PHOTOCHIMIQUE D'AZA-1 BICYCLOBUTANES
Bartnik, Romuald,Cebulska, Zofia,Laurent, Andre
, p. 4197 - 4198 (2007/10/02)
Aza-1 bicyclobutanes 2 are readily obtained by photolysis of carbamates 1. 1 are easily synthetised from 3.