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263159-60-0

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263159-60-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 263159-60-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,1,5 and 9 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 263159-60:
(8*2)+(7*6)+(6*3)+(5*1)+(4*5)+(3*9)+(2*6)+(1*0)=140
140 % 10 = 0
So 263159-60-0 is a valid CAS Registry Number.

263159-60-0Relevant articles and documents

Design, synthesis and evaluation of imidazolylmethyl carbamate prodrugs of alkylating agents

Hay, Michael P.,Wilson, William R.,Denny, William A.

, p. 645 - 657 (2000)

Two approaches to prodrugs of alkylating agents based on an imidazolylmethyl carbamate nucleus were explored. A 2-azido analogue (3) of the bis-carbamate carmethizole (1) displayed similar aerobic cytotoxicity to 1 in a panel of human and murine cell lines. Approaches to the 2-amino and 2- carbamoyl analogues are described. In the second approach an imidazolylmethanol was used as a 'trigger' linked via a carbamate to the alkylating agent N,N-bis(2-chlorethyl)amine (BCEA). Nitroimidazole and methylsulphinylimidazole carbamate prodrugs 6-8 were 5-20-fold less toxic than BCEA. Despite this deactivation in the prodrug form, little increase in cytotoxicity was observed under hypoxia. The data suggest that BCEA released on bioreduction is not sufficiently potent to contribute significant additional cytotoxicity. (C) 2000 Elsevier Science Ltd.

Synthesis and Evaluation of Nitroheterocyclic Carbamate Prodrugs for Use with Nitroreductase-Mediated Gene-Directed Enzyme Prodrug Therapy

Hay, Michael P.,Anderson, Robert F.,Ferry, Dianne M.,Wilson, William R.,Denny, William A.

, p. 5533 - 5545 (2007/10/03)

A variety of nitroheterocyclic carbamate prodrugs of phenylenediamine mustard and 5-amino-1-(chloromethyl)-3-[(5,6,7-trimethoxyindol-2-yl)carbonyl]-1, 2-dihydro-3H-benz[e]indoline (aminoseco-CBI-TMI), covering a wide range of reduction potential, were pre

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