126398-62-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126398-62-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,3,9 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 126398-62:
(8*1)+(7*2)+(6*6)+(5*3)+(4*9)+(3*8)+(2*6)+(1*2)=147
147 % 10 = 7
So 126398-62-7 is a valid CAS Registry Number.
126398-62-7Relevant articles and documents
A NEW SYNTHETIC APPROACH TO THE ROTENOID RING SYSTEM
Lai, Steven M. F.,Orchison, Jack J. A.,Whiting, Donald A.
, p. 5895 - 5906 (2007/10/02)
The (+)-cis-chromanochromanones (2) and (3), respresenting the basic ring system of the natural insecticide rotenone, have been synthesised by a general procedure; the key step is 4-aroylation of the 4-(phenyl-sulphonyl)chromans (7; Z=SO2Ph).
