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110271-24-4

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110271-24-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 110271-24-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,2,7 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 110271-24:
(8*1)+(7*1)+(6*0)+(5*2)+(4*7)+(3*1)+(2*2)+(1*4)=64
64 % 10 = 4
So 110271-24-4 is a valid CAS Registry Number.

110271-24-4Relevant articles and documents

Synthesis, Chemical Reactivity, and Antileukemic Activity of 5-Substituted 6,7-Bis(hydroxymethyl)pyrrolothiazole Biscarbamates and the Corresponding Sulfoxides and Sulfones

Anderson, Wayne K.,Mach, Robert H.

, p. 2109 - 2115 (1987)

A series of bis(N-methylcarbamate) and bis derivatives of 5-substituted 6,7-bis(hydroxymethyl)pyrrolothiazoles was prepared.The compounds were tested for activity in vivo against P388 lymphocytic leukemia, and the chemical reactivities of the compounds were compared by using the model nucleophile 4-(4-nitrobenzyl)pyridine (NBP).The 5-(3,4-dichlorophenyl)-substituted biscarbamates 6b, 8b, and 12b were inactive and unreactive toward NBP.The 5-methyl-substituted bicarbamates 6a, 7a, 8a, 9a, 12a, and 13a were all active against murine P388 lymphocytic leukemia.The chemical reactivities of the active compounds depended on the oxidation state of the sulfur.The reactivity toward NBP followed the order S > SO >> SO2.The sulfones 12a and 13a are the most active compounds in this series, and their lack of reactivity toward NBP led to the suggestion that 12a and 13a are activated in vivo.

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