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75305-81-6

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75305-81-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75305-81-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,0 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75305-81:
(7*7)+(6*5)+(5*3)+(4*0)+(3*5)+(2*8)+(1*1)=126
126 % 10 = 6
So 75305-81-6 is a valid CAS Registry Number.

75305-81-6Relevant articles and documents

Synthesis and biological activity of strongly fluorescent tricyclic analogues of acyclovir and ganciclovir

Goslinski, Tomasz,Golankiewicz, Bozenna,De Clercq, Erik,Balzarini, Jan

, p. 5052 - 5057 (2002)

In search of strongly fluorescent tricyclic analogues of acyclovir (ACV, 1) and ganciclovir (GCV, 2), derivatives of the 3,9-dihydro-9-oxo-5H-imidazo[1,2-α]purine system, several 6-[4- (acyloxy)-phenyl], 6-[4-(acylamino)phenyl], and 6-[4-(phenoxycarbonyloxy)phenyl]-substituted TACV and TGCV analogues were synthesized and evaluated for their activity against herpes simplex virus types 1 and 2 in cell culture. All TACV and TGCV analogues showed strong fluorescence (quantum yield of 30-65% vs 2-aminopurine 100%). The 6-[4-(phenoxycarbonyloxy)phenyl]-substituted compounds 11 and 19 displayed the best combination of the fluorescence and antiviral potency.

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