105550-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105550-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,5,5 and 0 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 105550-64:
(8*1)+(7*0)+(6*5)+(5*5)+(4*5)+(3*0)+(2*6)+(1*4)=99
99 % 10 = 9
So 105550-64-9 is a valid CAS Registry Number.
105550-64-9Relevant academic research and scientific papers
A Novel Preparation of 5,6,7,8-Tetrahydroquinazolin-4(3H)-ones
Fueloep, Ferenc,Bernath, Gabor
, p. 1148 - 1149 (2007/10/02)
Cyclocondensation of 2-oxocyclohexanecarboxamide with aldehydes and ammonia affords 4-oxo-1,2,5,6,7,8-hexahydroquinazolines which are conveniently dehydrogenated to the title compounds by treatment with palladium-on-carbon catalyst in boiling toluene.
