5197-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5197-20-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,9 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5197-20:
(6*5)+(5*1)+(4*9)+(3*7)+(2*2)+(1*0)=96
96 % 10 = 6
So 5197-20-6 is a valid CAS Registry Number.
5197-20-6Relevant articles and documents
Potential anticonvulsants. VI: Condensation of isatins with cyclohexanone and other cyclic ketones
Pajouhesh,Parson,Popp
, p. 318 - 321 (1983)
Cyclohexanone, substituted cyclohexanones, and other cycloalkanones have been condensed with isatin and substituted isatins to give a series of new 3-hydroxy-3-substituted oxindoles. A number of these 3-hydroxyoxindoles possess anticonvulsant activity.
