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88271-26-5

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88271-26-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88271-26-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,2,7 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 88271-26:
(7*8)+(6*8)+(5*2)+(4*7)+(3*1)+(2*2)+(1*6)=155
155 % 10 = 5
So 88271-26-5 is a valid CAS Registry Number.

88271-26-5Relevant articles and documents

Proton and Zinc(II) Complexes of 2-(Polyhydroxyalkyl)thiazolidine-4-carboxylic acid Derivatives

Gajda, Tamas,Nagy, Laszlo,Burger, Kalman

, p. 3155 - 3160 (2007/10/02)

The protonation and zinc-ion co-ordination equilibria of 2-(polyhydroxyalkyl)thiazolidine-4-carboxylic acid derivatives have been studied by potentiometric titration in the range pH 1.5-8.In most cases the formation of complexes with a metal-to-ligand ratio of 1:2 was demonstrated, but at above pH 6 mixed-ligand complexes involving hydroxide-ion co-ordination were also observed.The protonation and complex-formation constants were shown to depend on the structure of the polyhydroxy chains.In the case of the protonation constants this is due to the rearrangement of the intramolecular hydrogen-bonding network, while the complex-formation constants depend on the conformation of the OH groups on the first carbon atoms of the polyol chains.

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