22105-34-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22105-34-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,0 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22105-34:
(7*2)+(6*2)+(5*1)+(4*0)+(3*5)+(2*3)+(1*4)=56
56 % 10 = 6
So 22105-34-6 is a valid CAS Registry Number.
22105-34-6Relevant articles and documents
Further Total Syntheses of Chlorine-containing Lichen Xanthones
Fitzpatrick, Leigh,Sala, Tony,Sargent, Melvyn V.
, p. 85 - 89 (2007/10/02)
The unambiguous total synthesis of eight chlorine-containing lichen xanthones by ring closure of appropriately substituted benzophenones is described.