138689-94-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138689-94-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,6,8 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 138689-94:
(8*1)+(7*3)+(6*8)+(5*6)+(4*8)+(3*9)+(2*9)+(1*4)=188
188 % 10 = 8
So 138689-94-8 is a valid CAS Registry Number.
138689-94-8Relevant academic research and scientific papers
Williams, Richard Vaughan,Chauhan, Kamlesh
, p. 1672 - 1673 (1991)
2-Phenylsulphinylpropene and phenyl vinyl sulphoxide have been shown to be effective allene equivalents for the Diels-Alder reaction.