75304-86-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75304-86-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,0 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 75304-86:
(7*7)+(6*5)+(5*3)+(4*0)+(3*4)+(2*8)+(1*6)=128
128 % 10 = 8
So 75304-86-8 is a valid CAS Registry Number.
75304-86-8Relevant academic research and scientific papers
Synthesis of Pyrazolone and Quinazolone Derivatives from Aromatic Acid Hydrazide and Ethyl Acetoacetate
Phadtare, S. K.,Kamat, S. K.,Panse, G. T.
, p. 212 - 213 (2007/10/02)
The reaction between unsymmetrical acid hydrazide and ethyl acetoacetate gives pyrazolone (II) and quinazolone (III) derivatives.The formation of II and III has been rationalised.
