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84944-21-8

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84944-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84944-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,9,4 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 84944-21:
(7*8)+(6*4)+(5*9)+(4*4)+(3*4)+(2*2)+(1*1)=158
158 % 10 = 8
So 84944-21-8 is a valid CAS Registry Number.

84944-21-8Downstream Products

84944-21-8Relevant articles and documents

Synthesis and Characterization of Substituted Diaza(2,5)pyridinophanes as Precursors for Vitamin B6 Analogues

Iwata, Masaaki,Kuzuhara, Hiroyoshi

, p. 1282 - 1286 (1983)

In studies of precursors for vitamin B6 analogues, diaza(2,5)pyridinophanes 6 and 7 have been synthesized by reaction of bis(chloromethyl)pyridinium hydrochlorides 3a and 3b with a series of disodium α,ω-bis(tosylamido)alkanes 5.Fairly good yie

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