951889-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 951889-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,1,8,8 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 951889-81:
(8*9)+(7*5)+(6*1)+(5*8)+(4*8)+(3*9)+(2*8)+(1*1)=229
229 % 10 = 9
So 951889-81-9 is a valid CAS Registry Number.
951889-81-9Relevant academic research and scientific papers
Owton, W. Martin
, p. 2131 - 2136 (1994)
8-Fluoro-5-methoxy-1-tetralone has been formylated, aromatised and alkylated to give 8-fluoro-1-isopropoxy-5-methoxy-2-naphthaldehyde 11.Condensation of this with a phosphonosuccinate gave, after deprotection, the 4-naphthylbutenoic acid which was cyclise
