80314-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80314-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,3,1 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80314-57:
(7*8)+(6*0)+(5*3)+(4*1)+(3*4)+(2*5)+(1*7)=104
104 % 10 = 4
So 80314-57-4 is a valid CAS Registry Number.
80314-57-4Relevant articles and documents
SYNTHESIS OF THE XANTHOLACCAIC ACID B SYSTEM
Cameron, Donald W.,Feutrill, Geoffrey I.,Perlmutter, Patrick
, p. 3273 - 3274 (2007/10/02)
The xantholaccaic acid B system has been synthesized for the first time by successive regiospecific Diels-Alder reactions.