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83487-65-4

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83487-65-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83487-65-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,4,8 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83487-65:
(7*8)+(6*3)+(5*4)+(4*8)+(3*7)+(2*6)+(1*5)=164
164 % 10 = 4
So 83487-65-4 is a valid CAS Registry Number.

83487-65-4Relevant academic research and scientific papers

1,8,17,24-Tetraoxa(2,6)naphthalenophane-3,5,19,21-tetrayne-10,13-dicarboxylic Acid Derivatives, Novel Complexors of Aromatic Guests

Jarvi, Esa T.,Whitlock, Howard W.

, p. 7196 - 7204 (2007/10/02)

Synthesis and complexation behavior of the title molecules are described.Study of aromatic solvent induced shifts of these molecules support the contention that their large cavity can accomodate aromatic rings.The behavior of acid 1a in water suggests that this effect enhanced in aqueous medium, as is expected for formation of hydrophobic inclusion complexes.In contrast to the rigid naphthalenophanes (1), their saturated derivatives (7) exist in a collapsed conformation and do not incorporate aromatic guests.

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