67727-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67727-65-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,7,2 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 67727-65:
(7*6)+(6*7)+(5*7)+(4*2)+(3*7)+(2*6)+(1*5)=165
165 % 10 = 5
So 67727-65-5 is a valid CAS Registry Number.
InChI:InChI=1/C13H10O3/c1-9(15)16-13-7-6-10-4-2-3-5-11(10)12(13)8-14/h2-8H,1H3
67727-65-5Relevant articles and documents
A convenient preparation of salicylaldehydes from 2-methylbenzofurans by ozonolysis
Ishii,Ohia,Nashioka,Hayashida,Harayama
, p. 1166 - 1168 (2007/10/02)
A convenient and effective transformation of 2-methylbenzofuran (B) to salicylaldehyde (C) was achieved by ozonolysis of B in CH2Cl2 at -78°C followed by alkaline hydrolysis.
