56985-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56985-19-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,8 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 56985-19:
(7*5)+(6*6)+(5*9)+(4*8)+(3*5)+(2*1)+(1*9)=174
174 % 10 = 4
So 56985-19-4 is a valid CAS Registry Number.
56985-19-4Relevant academic research and scientific papers
Koppel,Kinnick
, p. 473 - 473 (1975)
Reaction of ethyl 2-oxocyclohexanecarboxylate (I) with phenyl vinyl sulphoxide (II) and sodium hydride followed by pyrolysis of the resulting phenylsulphonylethyl compound (III) gives the 1-vinyl compound (IV).
