104784-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104784-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,7,8 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 104784-20:
(8*1)+(7*0)+(6*4)+(5*7)+(4*8)+(3*4)+(2*2)+(1*0)=115
115 % 10 = 5
So 104784-20-5 is a valid CAS Registry Number.
104784-20-5Relevant articles and documents
TOTAL SYNTHESIS OF THE ANTIVIRAL (+/-)-VIRANTMYCIN
Hill, Malcolm L.,Raphael, Ralph A.
, p. 4587 - 4594 (2007/10/02)
The total synthesis of the racemic modification of the antiviral metabolite virantmycin is described starting from p-aminobenzoic acid and utilising acetylenic precursors.