77947-27-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77947-27-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,4 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77947-27:
(7*7)+(6*7)+(5*9)+(4*4)+(3*7)+(2*2)+(1*7)=184
184 % 10 = 4
So 77947-27-4 is a valid CAS Registry Number.
77947-27-4Relevant academic research and scientific papers
Studies on β-Carbolines : Reaction of 3-Amino-9H-pyridoindole with Dipolarophiles
Agarwal, Shiv K.,Saxena, Anil K.,Jain, Padam C.
, p. 67 - 68 (2007/10/02)
Reaction of dipolarophiles like ethyl propiolate, ethyl phenylpropiolate and dimethyl acetylenedicarboxylate with 3-amino-9H-pyridoindole (I) in methanol yields 2-oxo-4-substituted-2H-pyrimidopyridoindoles (XIV, XV and XVII respec
