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1417601-05-8

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1417601-05-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1417601-05-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,7,6,0 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1417601-05:
(9*1)+(8*4)+(7*1)+(6*7)+(5*6)+(4*0)+(3*1)+(2*0)+(1*5)=128
128 % 10 = 8
So 1417601-05-8 is a valid CAS Registry Number.

1417601-05-8Downstream Products

1417601-05-8Relevant articles and documents

Corrole-porphyrin conjugates with interchangeable metal centers

Ngo, Thien H.,Nastasi, Francesco,Puntoriero, Fausto,Campagna, Sebastiano,Dehaen, Wim,Maes, Wouter

, p. 5605 - 5617 (2012)

Oligoporphyrinoid materials composed of two or three tetrapyrrolic macrocycles have been synthesized by either mono-or disubstitution (S NAr) of a phenolic Zn-AB3-porphyrin on a meso-dichloropyrimidinyl-substituted Cu-AB2-corrole. Selective metallation/demetallation sequences were carried out on these mixed corrole-porphyrin conjugates to afford multichromophoric systems with variable metal centers. The absorption spectra of the free-base corrole-porphyrin systems were essentially additive, which demonstrates that only weak intercomponent interactions take place in these assemblies and therefore they can be regarded as supramolecular systems. Photophysical studies of the free-base conjugates showed that these species are highly fluorescent, with fluorescence occurring from the lowest-energy singlet state of the porphyrin subunit(s), which is (are) the lowest-energy state(s) of the assemblies. Pump-probe transient absorption spectroscopy experiments demonstrated that very efficient (>95 %) corrole-to-porphyrin singlet-singlet energy transfer takes place in these pyrimidinyl-bridged multichromophoric systems by a coulombic mechanism with rate constants on the picosecond timescale.

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