643027-92-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 643027-92-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,3,0,2 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 643027-92:
(8*6)+(7*4)+(6*3)+(5*0)+(4*2)+(3*7)+(2*9)+(1*2)=143
143 % 10 = 3
So 643027-92-3 is a valid CAS Registry Number.
643027-92-3Relevant academic research and scientific papers
Meier, Herbert,Holst, Hans Christof
, p. 1005 - 1011 (2003)
Star-shaped compounds 2a - e with a central benzene ring and six p-substituted, (E)-configured styryl groups have been prepared by a sequence of three-fold Heck and three-fold Wittig-Horner reactions. Alkoxy chains (OC 3H7, OC6
