118670-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118670-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,6,7 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 118670-72:
(8*1)+(7*1)+(6*8)+(5*6)+(4*7)+(3*0)+(2*7)+(1*2)=137
137 % 10 = 7
So 118670-72-7 is a valid CAS Registry Number.
118670-72-7Relevant academic research and scientific papers
STUDIES ON THE SEQUENTIAL CLAISEN REARRANGEMENT OF METHYL-3-ARYLOXY-2-(ARYLOXYMETHYL)PROP-2-ENOATES
Gopal, D.,Rajagopalan, K.
, p. 5327 - 5330 (2007/10/02)
Claisen rearrangement of methyl-3-aryloxy-2-(aryloxymethyl)prop-2-enoates (4) in refluxing N,N-diethylaniline gave 3-(2-hydroxyphenylmethylene)-3,4-dihydro-2H-1-benzopyran-2-ones (6) and 3-methoxycarbonyl-2H-1-benzopyrans (7).
