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26233-34-1

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26233-34-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 26233-34-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,2,3 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 26233-34:
(7*2)+(6*6)+(5*2)+(4*3)+(3*3)+(2*3)+(1*4)=91
91 % 10 = 1
So 26233-34-1 is a valid CAS Registry Number.

26233-34-1Downstream Products

26233-34-1Relevant articles and documents

Green synthetic method for 1,5-disubstituted carbohydrazones

Li, Zheng,Zhu, Wei,Yu, Jinlan,Ma, Xuelin,Lu, Zhong,Xiao, Shuxiu

, p. 2613 - 2619 (2006)

A green synthetic method for 1,5-disubstituted carbohydrazones is described. The reaction of dimethyl carbonate with hydrazine hydrate first gave carbohydrazide, which further reacted with various aromatic aldehydes or aliphatic ketones under solvent-free conditions to efficiently afford 1,5-disubstituted carbohydrazone. This protocol has the advantages of using nontoxic dimethyl carbonate as starting material, no use of organic solvents, short reaction time, high yield, and simple workup procedure. Copyright Taylor & Francis Group, LLC.

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