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75956-63-7

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75956-63-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75956-63-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,9,5 and 6 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75956-63:
(7*7)+(6*5)+(5*9)+(4*5)+(3*6)+(2*6)+(1*3)=177
177 % 10 = 7
So 75956-63-7 is a valid CAS Registry Number.

75956-63-7Relevant articles and documents

Large Oligocyclic Cavities for Strong Cation Complexation

Kiggen, W.,Voegtle, F.,Franken, S.,Puff, H.

, p. 1859 - 1872 (1986)

The syntheses of oligocyclic large cavities containing two or three catechol subunits are described.The X-ray analysis of a heptacyclic molecule composed of three triply clamped dimethyl catechol ether units demonstrates the size and shape of the cavity formed by this skeleton.Properties of the Fe(3+)- and Ga(3+)-complexes are elucidated by (1)H-NMR, IR, UV/Vis spectra, and by competition experiments with an open-chained reference ligand.

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