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1254473-55-6

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1254473-55-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1254473-55-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,4,7 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1254473-55:
(9*1)+(8*2)+(7*5)+(6*4)+(5*4)+(4*7)+(3*3)+(2*5)+(1*5)=156
156 % 10 = 6
So 1254473-55-6 is a valid CAS Registry Number.

1254473-55-6Downstream Products

1254473-55-6Relevant articles and documents

Synthesis and photophysical properties of donor-acceptor dithienophospholes

Romero-Nieto, Carlos,Kamada, Kenji,Cramb, David T.,Merino, Sonia,Rodriguez-Lopez, Julian,Baumgartner, Thomas

experimental part, p. 5225 - 5231 (2010/10/21)

The synthesis and detailed photophysical studies of a series of 2,6-asymmetrically functionalized dithieno[3,2-b:2′,3′-d]phospholes are reported. One-photon spectroscopy revealed that the materials show similar significant Stokes shifts supporting very polar excited intramolecular chargetransfer (ICT) states. Investigation of their two-photon absorption (TPA) behavior indicated that the materials are also valuable TPA chromophores with reasonable cross-sections between 285-385 GM in the biologically relevant wavelength range 800-1100 nm. Moreover, the nonlinear optical features of the phosphole derivatives reported herein were found to remain almost unaltered after modification of the phosphorus center, either by oxidation and/or complexation.

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