117175-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117175-96-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,1,7 and 5 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 117175-96:
(8*1)+(7*1)+(6*7)+(5*1)+(4*7)+(3*5)+(2*9)+(1*6)=129
129 % 10 = 9
So 117175-96-9 is a valid CAS Registry Number.
117175-96-9Relevant academic research and scientific papers
A Hantzsch 1,4-Dihydropyridine Synthesis Producing an Unusual By-product
Patterson, J. W.,Nelson, J. T.
, p. 125 - 128 (2007/10/02)
The reaction of 2-acetyl-1-(2-chlorophenyl)-6-methylhept-1-en-3-one (2) with ethyl 3-aminocrotonate gave an unusual isomer of a 1,4-dihydropyridine (6), having an exocyclic double bond.The structure and sterepchemistry of 6 was established with 1H and 13C
