77328-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77328-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,2 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77328-99:
(7*7)+(6*7)+(5*3)+(4*2)+(3*8)+(2*9)+(1*9)=165
165 % 10 = 5
So 77328-99-5 is a valid CAS Registry Number.
77328-99-5Relevant articles and documents
N-Hydroxyisoureas by Reaction of N-Substituted Hydroxylamines with Cyanates
Neitzel, Michael,Zinner, Gerwalt
, p. 2 - 9 (2007/10/02)
The N-hydroxyisoureas 4, 5 carrying various substituents were prepared by addition of N-substituted hydroxylamines to cyanates (phenyl cyanate, 2,2,2-trichloroethyl cyanate, 2,2,2-trifluoroethyl cyanate).