Cas 1085226-08-9,5α,10α,15β,20β-tetrakis(2-(N,N-dimethylaminomethylcarbonylamino)phenyl)porphyrinatozinc(II)

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Check Digit Verification of cas no

The CAS Registry Mumber 1085226-08-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,5,2,2 and 6 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1085226-08:
(9*1)+(8*0)+(7*8)+(6*5)+(5*2)+(4*2)+(3*6)+(2*0)+(1*8)=139
139 % 10 = 9
So 1085226-08-9 is a valid CAS Registry Number.

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1085226-08-9Relevant academic research and scientific papers

Binding enhancements of nicotinic acid to water-soluble zinc porphyrins based on triple attractions of coordination, Coulomb, and CH-π interactions

Imai, Hiroyasu,Munakata, Hiroki,Uemori, Yoshio

experimental part, p. 969 - 972 (2009/08/15)

The binding of amines to artificial zinc-porphyrin receptors 1-4 was examined in basic aqueous solutions. For nicotinic acid and 3,5- dicarboxypyridine, substantial binding enhancements were observed compared to other amines with no π system or carboxyl group. This observation suggested that interligand attractions of Coulomb and CH-π interactions in addition to N-atom coordination can act effectively as recognition factors. The differences in the Coulomb interaction between carboxylate and sulfonate anions were also discussed.

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