113520-22-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113520-22-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,5,2 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 113520-22:
(8*1)+(7*1)+(6*3)+(5*5)+(4*2)+(3*0)+(2*2)+(1*2)=72
72 % 10 = 2
So 113520-22-2 is a valid CAS Registry Number.
113520-22-2Relevant articles and documents
REACTION OF 3H-OXAZOLOPYRIDINE-2-THIONE WITH AMINES
Davidkov, K.,Simov, D.,Kalcheva, V.
, p. 905 - 906 (1987)
Primary amines and diethylamine react with oxazolopyridine thione to form N-(3-hydroxy-2-pyridyl)thioureas whereas cyclic secondary amines and aniline form 2-aminooxazolopyridines.Exchange of the benzene ring in benzoxazolinethione for pyrid
