1187761-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1187761-73-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,7,6 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1187761-73:
(9*1)+(8*1)+(7*8)+(6*7)+(5*7)+(4*6)+(3*1)+(2*7)+(1*3)=194
194 % 10 = 4
So 1187761-73-4 is a valid CAS Registry Number.
1187761-73-4Relevant articles and documents
Efficient access to (All-rac)-α-Tocopherol acetate by a crombie chromene synthesis
Gembus, Vincent,Sala-Jung, Nathalie,Uguen, Daniel
, p. 843 - 854 (2009)
In contrast to reports in the literature, the pyridine-catalysed condensation of phenolic compounds and conjugated aldehydes to chromenes was found to be applicable to trimethylhydroquinone 2a with the result of complementary convergent approaches to the
