142598-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142598-98-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,5,9 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 142598-98:
(8*1)+(7*4)+(6*2)+(5*5)+(4*9)+(3*8)+(2*9)+(1*8)=159
159 % 10 = 9
So 142598-98-9 is a valid CAS Registry Number.
142598-98-9Relevant academic research and scientific papers
A New Free Radical-Based Method for the Synthesis of Spiroannulated Medium Rings
Zhang, Wei,Dowd, Paul
, p. 3285 - 3288 (2007/10/02)
Free radical promoted cyclobutanone ring expansion provides a new entry to a variety of spiroannulated ring systems.
