206660-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 206660-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,6,6 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 206660-74:
(8*2)+(7*0)+(6*6)+(5*6)+(4*6)+(3*0)+(2*7)+(1*4)=124
124 % 10 = 4
So 206660-74-4 is a valid CAS Registry Number.
206660-74-4Relevant articles and documents
Carbocyclic 7-deazaguanine oxetanocin analogues
Wu, Jayu,Schneller, Stewart W.,Seley, Katherine L.,De Clercq, Erik
, p. 757 - 763 (2007/10/03)
The synthesis of two carbocyclic 7-deazaguanosine oxetanocins structurally modified at the C-3′ center and lacking the C-2′ hydroxymethylene group is described. Neither of these target compounds showed antiviral activity against a battery of DNA and RNA viruses.