84211-58-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84211-58-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,2,1 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 84211-58:
(7*8)+(6*4)+(5*2)+(4*1)+(3*1)+(2*5)+(1*8)=115
115 % 10 = 5
So 84211-58-5 is a valid CAS Registry Number.
84211-58-5Relevant articles and documents
"ANTI-BREDT"-BICYCLOALKENONE DURCH INTRAMOLEKULARE WITTIG-REAKTION
Bestmann, Hans Juergen,Schade, Gerold
, p. 3543 - 3546 (2007/10/02)
Bicycloalkenones can be generated by intramolecular Wittig-reaction, even if the olefinic bond formed has a relative high strain energy.