74606-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74606-53-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,0 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74606-53:
(7*7)+(6*4)+(5*6)+(4*0)+(3*6)+(2*5)+(1*3)=134
134 % 10 = 4
So 74606-53-4 is a valid CAS Registry Number.
74606-53-4Relevant articles and documents
An intramolecular aryne cycloaddition approach to phenanthrene alkaloids
Estevez,Estevez,Castedo
, p. 6883 - 6884 (1992)
A new synthesis of phenanthrene alkaloids which is based on the intramolecular Diels-Alder reaction between a styrene and an aryne is described.