73813-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73813-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,8,1 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73813-17:
(7*7)+(6*3)+(5*8)+(4*1)+(3*3)+(2*1)+(1*7)=129
129 % 10 = 9
So 73813-17-9 is a valid CAS Registry Number.
73813-17-9Relevant academic research and scientific papers
Iwao, Masatomo,Kuraishi, Tsukasa
, p. 297 - 298 (1980)
Some derivatives of the title ring system were prepared from methyl α-(1-isoquinolyl)-β-aminocrotonate and ethyl α-(1-isoquinolyl)-β-amino-β-ethoxyacrylate in moderate to good yields via their quaternary salts.