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19747-90-1

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19747-90-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19747-90-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,4 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 19747-90:
(7*1)+(6*9)+(5*7)+(4*4)+(3*7)+(2*9)+(1*0)=151
151 % 10 = 1
So 19747-90-1 is a valid CAS Registry Number.

19747-90-1Downstream Products

19747-90-1Relevant articles and documents

ANTIVIRAL DRUGS FOR TREATMENT OF ARENAVIRUS INFECTION

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Page/Page column 49, (2009/10/30)

Compounds, methods and pharmaceutical compositions for treating viral infections, by administering certain compounds in therapeutically effective amounts are disclosed. Methods for preparing the compounds and methods of using the compounds and pharmaceutical compositions thereof are also disclosed. In particular, the treatment and prophylaxis of viral infections such as caused by the Arenavirus family is disclosed.

Phosporylation of 1,3-di(N-alkyl)azoles by phosphorus(V) acid chlorides - A route to potential haptens derived from phosphinic acids

Komarov,Kornilov,Turov,Gorichko,Popov,Tolmachev,Kirby

, p. 12417 - 12424 (2007/10/02)

Phosphorylation of N-alkylated imidazoles and benzimidazoles at C-2 by CH3POCl2, PhPOCl2, POCl3 in pyridine-triethylamine solution is described. The formed heteroaryl-substituted phosphinic or phosphonic acid chlorides were transformed without isolation into the corresponding phosphinic (phosphinic) acids, their salts or amides with moderate yields. This reaction opens a simple way to potential haptens derived from phosphinic acids. These haptens mimic tetrahedral transition state of many reactions and can be used to obtain catalytic antibodies. The functionalized heteroarylsubstituted phosphinic acids which have been used as hapten precursors were obtained by phosphorylation of 1-alkyl-5-nitrobenzimidazole or by usage of a new phosphorylating reagent - (4-trichloromethylphenyl)phosphonic dichloride.

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