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890944-59-9

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890944-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 890944-59-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,9,4 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 890944-59:
(8*8)+(7*9)+(6*0)+(5*9)+(4*4)+(3*4)+(2*5)+(1*9)=219
219 % 10 = 9
So 890944-59-9 is a valid CAS Registry Number.

890944-59-9Relevant articles and documents

Synthesis, crystal structure and b-glucuronidase inhibition activity of some new hydrazinecarboxamides and their 1,2,4-triazole derivatives

Hanif, Muhammad,Khan, Imtiaz,Rama, Nasim Hasan,Noreen, Shagufta,Choudhary, Muhammad Iqbal,Jones, Peter G.,Iqbal, Mazhar

, p. 3885 - 3896 (2013/02/23)

A new series of hydrazinecarboxamides (5a-n), bearing various methoxyphenyl and methoxyphenethyl groups, was synthesized by condensation of corresponding acid hydrazides (3a-f) with methoxyphenylisocyanates (4a-c). Dehydrocyclization of hydrazinecarboxamides (5a-n) yielded corresponding methoxyphenyl and methoxyphenethyl substituted triazoles (6a-l) by refluxing in 2 N aqueous sodium hydroxide solution. All the synthesized compounds were screened for their b-glucuronidase inhibition activity. Compounds 5a, 5e, 5h, and 5l exhibited an excellent b-glucuronidase inhibitory activity as compared to the standard inhibitor. Springer Science+Business Media, LLC 2011.

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