121561-92-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121561-92-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,6 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 121561-92:
(8*1)+(7*2)+(6*1)+(5*5)+(4*6)+(3*1)+(2*9)+(1*2)=100
100 % 10 = 0
So 121561-92-0 is a valid CAS Registry Number.
121561-92-0Relevant articles and documents
1,3-Dipolar Cycloaddition of Nitrile Oxides to N-Vinylcarbazole: Regioselective Formation of 5-(9-Carbazolyl)-Δ2-Isoxazolines
Rao, K. Rama,Nageswar, Y. V. D.,Sattur, P. B.
, p. 255 - 256 (2007/10/02)
Aryl substituted nitrile oxides undergo 3 + 2 cycloaddition to N-vinylcarbazole to afford only one regioisomer, i.e., 3-aryl sustituted 5-(9-carbazolyl)-Δ2-isoxazolines III in good yield.
