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109831-40-5

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109831-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109831-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,3 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109831-40:
(8*1)+(7*0)+(6*9)+(5*8)+(4*3)+(3*1)+(2*4)+(1*0)=125
125 % 10 = 5
So 109831-40-5 is a valid CAS Registry Number.

109831-40-5Downstream Products

109831-40-5Relevant academic research and scientific papers

Synthesis and Reactions of Toluene and Chlorobenzene-2,4-bis-sulphonic Acid Bishydrazides and Related Compounds of Expected Biological Activity

Donia, Shafie G.,Shams, N.,El-Raman, T. Abd

, p. 117 - 120 (2007/10/02)

Toluene- and chlorobenzene-2,4-bis-sulphonic acid bishydrazides (Ia and Ib) have been prepared and reacted with different aldehydes and ketones affording a series of the corresponding hydrazones (IIa and IIb; IIIa and IIIb).The sulphonylhydrazones on meth

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