71972-62-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71972-62-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,7 and 2 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 71972-62:
(7*7)+(6*1)+(5*9)+(4*7)+(3*2)+(2*6)+(1*2)=148
148 % 10 = 8
So 71972-62-8 is a valid CAS Registry Number.
71972-62-8Relevant articles and documents
A New Biogenetic Approach for the Synthesis of Homoisoflavanones
Makrandi, J. K.,Grover, S. K.
, p. 739 - 743 (2007/10/02)
2'-Hydroxydihydrochalkones on refluxing with methylene iodide in acetone medium in the presence of anhydrous potassium carbonate have been found to yield bi(dihydrochalkonyloxy)methanes and homoisoflavanones.