78893-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78893-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,9 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 78893-23:
(7*7)+(6*8)+(5*8)+(4*9)+(3*3)+(2*2)+(1*3)=189
189 % 10 = 9
So 78893-23-9 is a valid CAS Registry Number.
78893-23-9Relevant academic research and scientific papers
Reactions of Pyridylnitrilimines with Dimethyl Acetylene Dicarboxylate
Tanaka, Shigeru,Terada, Atsusuke
, p. 717 - 720 (2007/10/02)
Reaction of 2-(1-bromo-1-phenylhydrazono)methylpyridines (2) with dimethyl acetylene dicarboxylate in the presence of triethylamine gave rise to dimethyl 1-phenyl-3-(2-pyridyl)-4,5-dicarboxylates (3) and dimethyl 1-phenylazoindolizine-2,3-dicarboxylates (
