74212-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74212-56-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,1 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74212-56:
(7*7)+(6*4)+(5*2)+(4*1)+(3*2)+(2*5)+(1*6)=109
109 % 10 = 9
So 74212-56-9 is a valid CAS Registry Number.
74212-56-9Relevant academic research and scientific papers
Conversion of Pyridines and Quinolines into Pyridazines and Pyrazoles
Baradarani, M. Mehdi,Joule, John A.
, p. 72 - 77 (2007/10/02)
3-Phenacylpyridinium and 3-phenacylquinolinium methiodides are shown to react with hydrazine-potassium hydroxide and hydrazine respectively to give 4-alkyl-6-phenylpyridazines and 4-(2-aminobenzyl)-6-phenylpyridazines respectively. 3-Benzoylpyridinium met
