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77355-98-7

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77355-98-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77355-98-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,5 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77355-98:
(7*7)+(6*7)+(5*3)+(4*5)+(3*5)+(2*9)+(1*8)=167
167 % 10 = 7
So 77355-98-7 is a valid CAS Registry Number.

77355-98-7Downstream Products

77355-98-7Relevant articles and documents

Synthesis and Antiviral Activity of 5--2'-deoxyuridine

Huang, Guang-Fu,Okada, Masashi,Clercq, Erik De,Torrence, Paul F.

, p. 390 - 393 (1981)

To study the influence of substitution of CN for CCH in the anti-herpes virus nucleoside 5-(propynyloxy)-2'-deoxyuridine (1), 5--2'-deoxyuridine (2) was prepared.When the potassium salt of 5-hydroxy-2'-deoxyuridine was reacted with iodoacetonitrile in dry DMF, the bisalkylated product 3-(cyanomethyl)-5--2'-deoxyuridine (3) was the major product with a lesser amount of 3-(cyanomethyl)-5-hydroxy-2'-deoxyuridine (5) and only a trace amount of the desired product (2).In contrast, when 5-hydroxy-2'-deoxyuridine was alkylated in water in the presence of 1 equiv of KOH, compound 2 was the major product.In cultures of primary rabbit kindey (PRK) cells, compound 2 showed an anti-herpes virus activity that was comparable to that of 1 and ara-A.Compound 2 did not inhibit incorporation of 3H>dThd or 3H>dUrd into DNA of PRK cells; however, its anti-herpes virus activity was completely prevented upon the addition of either dThd or dUrd.

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