117720-24-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117720-24-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,2 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 117720-24:
(8*1)+(7*1)+(6*7)+(5*7)+(4*2)+(3*0)+(2*2)+(1*4)=108
108 % 10 = 8
So 117720-24-8 is a valid CAS Registry Number.
117720-24-8Relevant articles and documents
SATURATED HETEROCYCLES, 135 CYCLIC AMINOALCOHOLS AND RELATED COMPOUNDS, 29
Fueloep, Ferenc,Csirinyi, Gyoergy,Bernath, Gabor
, p. 193 - 200 (2007/10/02)
Through the reaction of cis- or trans-2-hydroxymethylcyclopentylamine (5a,b) or their N-methyl derivatives (7a,b) with phenyl isothiocyanate, followed by treatment with hydrogen chloride or methyl iodide and alkali, 2-phenylimino-cis- and trans-4,5-trimet