1161841-97-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1161841-97-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,1,8,4 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1161841-97:
(9*1)+(8*1)+(7*6)+(6*1)+(5*8)+(4*4)+(3*1)+(2*9)+(1*7)=149
149 % 10 = 9
So 1161841-97-9 is a valid CAS Registry Number.
1161841-97-9Relevant articles and documents
Tris[oligo(1,4-phenylenevinylene)]methylium dyes
Kim, Soungkyoo,Kalbitz, Helga,Hillmann, Sabine,Meier, Herbert
experimental part, p. 1976 - 1983 (2009/09/06)
The tris[oligo(1,4-phenylenevinylene)]carbinols 2a-f (n = 1-4) and the tris(4-styrylphenyl)methanes 7a,b have been prepared by Wittig-Horner (3 + 4a-f → 2a-f) and Siegrist reactions (S + 6a,b → 7a,b). The Wittig-Horner reactions in these examples are acco
