107574-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107574-38-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,5,7 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 107574-38:
(8*1)+(7*0)+(6*7)+(5*5)+(4*7)+(3*4)+(2*3)+(1*8)=129
129 % 10 = 9
So 107574-38-9 is a valid CAS Registry Number.
107574-38-9Relevant articles and documents
STEREOSPECIFIC TRIPLE MICHAEL ADDITION
Thanupran, Chatchai,Thebtaranonth, Chachanat,Thebtaranonth, Yodhathai
, p. 2295 - 2298 (1986)
The consecutive Michael addition of a nucleophile to an α-methylene cyclopentenone, thence to methyl acrylate, occurs readily and stereospecifically, yielding bicyclo--heptanone.The reaction represents the first example of a three-component triple conjugate addition process.
