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1239713-20-2

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1239713-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239713-20-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,7,1 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1239713-20:
(9*1)+(8*2)+(7*3)+(6*9)+(5*7)+(4*1)+(3*3)+(2*2)+(1*0)=152
152 % 10 = 2
So 1239713-20-2 is a valid CAS Registry Number.

1239713-20-2Downstream Products

1239713-20-2Relevant academic research and scientific papers

Meta-Substituted triphenylamines as new dyes displaying exceptionally large Stokes shifts

Bordeau, Guillaume,Lartia, Rémy,Teulade-Fichou, Marie-Paule

, p. 4429 - 4432 (2010)

A straightforward synthesis of fluorescent tris-meta-substituted triphenylamines (m-TPAs) is presented. These new fluorophores display a unique feature that is a remarkably high Stokes shift up to 250 nm, as compared to their para counterparts. Although the meta substitution is made at the expense of the quantum yield, the latter is maintained at an appreciable level (5%) making the m-TPAs a new class of fluorophores adaptable to a large range of applications from biology to materials science.

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