103284-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103284-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,2,8 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 103284-83:
(8*1)+(7*0)+(6*3)+(5*2)+(4*8)+(3*4)+(2*8)+(1*3)=99
99 % 10 = 9
So 103284-83-9 is a valid CAS Registry Number.
103284-83-9Relevant academic research and scientific papers
Synthesis of Some Dioxanopyrazoline Derivatives
El-Houssini, M. S.,Fadda, A. A.,Youssif, M. M.
, p. 867 - 869 (2007/10/02)
5-Arylidene Meldrum's acid reacts with hydrazine to give the corresponding dioxanopyrazolin (2).The synthesis of a series of substituted pyrazolines is also described.The structures of all products have been settled by microanalyses, IR and PMR data.
