80334-48-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80334-48-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,3,3 and 4 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 80334-48:
(7*8)+(6*0)+(5*3)+(4*3)+(3*4)+(2*4)+(1*8)=111
111 % 10 = 1
So 80334-48-1 is a valid CAS Registry Number.
80334-48-1Relevant articles and documents
-CYCLOADDITIONEN VON ENAMINOTHIONEN MIT MALEINSAEUREANHYDRID
Adiwidjaja, Gunadi,Proll, Theo,Walter, Wolfgang
, p. 3175 - 3178 (1981)
During the Diene reaction of N-unsubstituted and -monosubstituted enamine thiones with maleic acid anhydride the primary adduct rearranges to a bicyclic compound which is important as an intermediate.