136805-94-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136805-94-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,8,0 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 136805-94:
(8*1)+(7*3)+(6*6)+(5*8)+(4*0)+(3*5)+(2*9)+(1*4)=142
142 % 10 = 2
So 136805-94-2 is a valid CAS Registry Number.
136805-94-2Relevant articles and documents
Improved Methods for the N-Nitration of Amides
Romea, Pedro,Aragones, Montse,Garcia, Jordi,Vilarrasa, Jaume
, p. 7038 - 7042 (1991)
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