1167542-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1167542-85-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,7,5,4 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1167542-85:
(9*1)+(8*1)+(7*6)+(6*7)+(5*5)+(4*4)+(3*2)+(2*8)+(1*5)=169
169 % 10 = 9
So 1167542-85-9 is a valid CAS Registry Number.
1167542-85-9Relevant articles and documents
Synthesis of tetrahydroisoquinocarbazoles via C-2 alkylation of indoles with 2-alkoxycyclopropanoate esters
Bajtos, Barbora,Pagenkopf, Brian L.
, p. 2780 - 2783 (2009)
A concise method for the synthesis of several tetrahydroisoquinocarbazole derivatives Is reported, where the core Is prepared In six steps from tryptophol In 51% overall yield. The pentacyclic analogs are constructed via a dipolar C-2 alkylation of a 3-su