147806-37-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 147806-37-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,8,0 and 6 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 147806-37:
(8*1)+(7*4)+(6*7)+(5*8)+(4*0)+(3*6)+(2*3)+(1*7)=149
149 % 10 = 9
So 147806-37-9 is a valid CAS Registry Number.
147806-37-9Relevant academic research and scientific papers
A synthesis of ayapin
Soman, Shubhangi S.,Trivedi, K. N.
, p. 372 - 373 (2007/10/02)
Ayapin (6) has been synthesised from 4-hydroxy-6,7-methylenedioxybenzopyran-2(H)-one (4) by the method of tosylation and reductive detosyloxylation. 4-Chloroayapin (7) has also been synthesised from 4 by the reaction with phosphorus oxychloride.
