123433-59-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123433-59-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,3 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 123433-59:
(8*1)+(7*2)+(6*3)+(5*4)+(4*3)+(3*3)+(2*5)+(1*9)=100
100 % 10 = 0
So 123433-59-0 is a valid CAS Registry Number.
123433-59-0Relevant academic research and scientific papers
Mead, Keith T.,Samuel, Beverly
, p. 6573 - 6576 (1988)
Intermolecular 2+2 aldehyde-ketene cycloaddition, followed by Lewis acid induced intramolecular ring opening of the 2-oxetanone product have been used to prepare tetrahydrofuran and tetrahydropyran ring systems.
