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359857-37-7

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359857-37-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 359857-37-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,9,8,5 and 7 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 359857-37:
(8*3)+(7*5)+(6*9)+(5*8)+(4*5)+(3*7)+(2*3)+(1*7)=207
207 % 10 = 7
So 359857-37-7 is a valid CAS Registry Number.

359857-37-7Relevant articles and documents

Synthesis and excited-state photodynamics of perylene-porphyrin dyads. 1: Parallel energy and charge transfer via a diphenylethyne linker

Prathapan, Sreedharan,Yang, Sung Ik,Seth, Jyoti,Miller, Mark A.,Bocian, David F.,Holten, Dewey,Lindsey, Jonathan S.

, p. 8237 - 8248 (2007/10/03)

The photophysical properties of a perylene-porphyrin dyad have been examined with the aim of using this construct for molecular photonics applications. The dyad consists of a perylene-bis(imide) dye (PDI) connected to a zinc porphyrin (Zn) via a diphenylethyne linker (pep). In both polar and nonpolar solvents, the photoexcited perylene unit (PDI*) decays very rapidly (lifetimes of 2.5 (toluene) and 2.4 ps (acetonitrile)) by energy transfer to the porphyrin, forming PDI-pep-Zn* in high yield (80%, toluene; 70% acetonitrile), and hole transfer to the porphyrin, forming PDI--pep-Zn+ in lesser yield (20%, toluene; 30% acetonitrile). In both toluene and acetonitrile, the Zn* excited state subsequently decays with a lifetime of 0.4 ns primarily (80%) by electron transfer to the perylene (forming PDI--pep-Zn+). In the nonpolar solvent (toluene), the PDI--pep-Zn+ charge-transfer product has a lifetime of > 10 ns and decays by charge recombination primarily to the ground state but also by thermal repopulation of the Zn* excited state. The occurrence of the latter process provides a direct experimental measure of the energy of the charge-separated state. In the polar solvent (acetonitrile), the PDI--pep-Zn+ charge-separated state decays much more rapidly (--pep-Zn+) that can be long- or short-lived depending on solvent polarity, indicates the versatility of the perylene-porphyrin motif for a variety of applications in molecular photonics.

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