97661-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97661-73-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,6,6 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 97661-73:
(7*9)+(6*7)+(5*6)+(4*6)+(3*1)+(2*7)+(1*3)=179
179 % 10 = 9
So 97661-73-9 is a valid CAS Registry Number.
97661-73-9Relevant articles and documents
Improved Methods for the N-Nitration of Amides
Romea, Pedro,Aragones, Montse,Garcia, Jordi,Vilarrasa, Jaume
, p. 7038 - 7042 (2007/10/02)
The reactivity of several nitrating mixtures with amides has been compared.Ammonium nitrate/ trifluoroacetic anhydride, morpholinium nitrate/ trifluoroacetic anhydride, and morpholinium nitrate/ heptafluorobutyric anhydride are the reagents of choice sinc