771534-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 771534-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,1,5,3 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 771534-91:
(8*7)+(7*7)+(6*1)+(5*5)+(4*3)+(3*4)+(2*9)+(1*1)=179
179 % 10 = 9
So 771534-91-9 is a valid CAS Registry Number.
771534-91-9Relevant academic research and scientific papers
New synthesis of 2-trifluoromethyl-2,3-dihydro-1H-quinolin-4-ones
Gong, Yuefa,Kato, Katsuya
, p. 767 - 773 (2007/10/03)
N-(1-Ethoxy-2,2,2-trifluoroethyl)anilines 2a-2f, prepared from trifluoroacetaldehyde ethyl hemiacetal and aniline, readily reacted with diethyl malonate in the presence of sodium hydride, giving substituted products 5a-5f in high yields. Compounds 5a-5f s
