74212-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74212-71-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,1 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74212-71:
(7*7)+(6*4)+(5*2)+(4*1)+(3*2)+(2*7)+(1*1)=108
108 % 10 = 8
So 74212-71-8 is a valid CAS Registry Number.
74212-71-8Relevant 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.
