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1355450-12-2

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1355450-12-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1355450-12-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,5,4,5 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1355450-12:
(9*1)+(8*3)+(7*5)+(6*5)+(5*4)+(4*5)+(3*0)+(2*1)+(1*2)=142
142 % 10 = 2
So 1355450-12-2 is a valid CAS Registry Number.

1355450-12-2Downstream Products

1355450-12-2Relevant articles and documents

Zinc-specific fluorescent response of tris(isoquinolylmethyl)amines (isoTQAs)

Mikata, Yuji,Kawata, Keiko,Iwatsuki, Satoshi,Konno, Hideo

, p. 1859 - 1865 (2012)

Isoquinoline-based tetradentate ligands with C3-symmetry, tris(1- or 3-isoquinolylmethyl)amine (1- or 3-isoTQA), have been prepared and their zinc-induced fluorescence enhancement was investigated. Upon excitation at 324 nm, 1-isoTQA shows very weak fluorescence (β = ~0.003) in DMF/H2O (1/1) solution. In the presence of zinc ion, 1-isoTQA exhibits fluorescence increase (β = 0.041) at 359 and 470 nm. This fluorescence enhancement at 470 nm is specific for zinc. However, 3-isoTQA exhibited a smaller fluorescence enhancement upon zinc complexation (β = 0.017, λem = 360 and 464 nm) compared with 1-isoTQA. Crystal structures of zinc complexes of isoTQAs demonstrate the diminished steric crowding and shorter Zn-Naromatic distances compared with isoTQENs (N,N,N′,N′-tetrakis(isoquinolylmethyl)ethylenediamines) leads to a higher fluorescent response toward zinc relative to cadmium.

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