189272-41-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189272-41-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,2,7 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 189272-41:
(8*1)+(7*8)+(6*9)+(5*2)+(4*7)+(3*2)+(2*4)+(1*1)=171
171 % 10 = 1
So 189272-41-1 is a valid CAS Registry Number.
189272-41-1Relevant academic research and scientific papers
Rigby, James H.,Warshakoon, Namal C.
, p. 2049 - 2052 (1997)
Substituted cyclooctatetraenes can be prepared in two steps employing a Cr-(0)-promoted [6π + 2π] thiepin dioxide-alkyne cycloaddition followed by photoactivated sulfur dioxide extrusion.