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126525-04-0

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126525-04-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126525-04-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,5,2 and 5 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 126525-04:
(8*1)+(7*2)+(6*6)+(5*5)+(4*2)+(3*5)+(2*0)+(1*4)=110
110 % 10 = 0
So 126525-04-0 is a valid CAS Registry Number.

126525-04-0Downstream Products

126525-04-0Relevant articles and documents

Exploring the Inclusion Properties of New Clathrate Hosts Derived from Tartaric Acid. X-Ray Structural Characterization of the Free Ligands and their Selective Interaction Modes with Alkylamine Guests

Goldberg, Israel,Stein, Zafra,Weber, Edwin,Doerpinghaus, Norbert,Franken, Sibylle

, p. 953 - 963 (2007/10/02)

A new host 4,5-bis(hydroxydiphenylmethyl)-2,2-dimethyl-1,3-dioxolane (1) was found to form very selectively crystalline complexes with simple alkylamines.Crystals of the three different stereochemical species of this host, optically resolved (1a), racemic (1b), and meso (1c), as well as of the inclusion complexes formed by (1a) and (1b) with PrnNH2, Prn2NH, and Prn3N have been studied by X-ray diffraction.The clathrate inclusion behaviour of (1) is related to structure, and patterns of molecular recognition between this host and the amine guests are characterized.The three different hosts (1a), (1b), and (1c) contain an intramolecular hydrogen bond and are rather rigid; they dimerize in the solid by hydrogen bonding through their hydroxy groups, forming eight-membered (OH)4 rings.Circular motifs of 2:1 (which involve ten-membered rings of H-bonded -OH and -NH moieties) and 2:2 (involving 12-membered circles) co-ordination between host and guest have also been observed in the inclusion complexes of (1a) with Prn2NH and of (1b) with PrnNH2, respectively.Crystals of the other inclusion complexes between (1a) and the primary and tertiary amines, and between (1b) and the secondary and tertiary amines are characterized by localized 1:1 co-ordintion between the complexing partners.It appears that preferential co-ordination of a given host with an amine guest is associated mainly with the formation of larger clusters of H-bonded molecules.The host-guest binding patterns are discussed in detail, in relation to tnose found in related systems of co-ordinatin-assisted clathrates.

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