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1404372-25-3

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1404372-25-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1404372-25-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,4,3,7 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1404372-25:
(9*1)+(8*4)+(7*0)+(6*4)+(5*3)+(4*7)+(3*2)+(2*2)+(1*5)=123
123 % 10 = 3
So 1404372-25-3 is a valid CAS Registry Number.

1404372-25-3Downstream Products

1404372-25-3Relevant articles and documents

Spectroscopic characterization of the active feIIIfe III and feIIIfeII forms of a purple acid phosphatase model system

Comba, Peter,Gahan, Lawrence R.,Mereacre, Valeriu,Hanson, Graeme R.,Powell, Annie K.,Schenk, Gerhard,Zajaczkowski-Fischer, Marta

, p. 12195 - 12209 (2013/01/15)

Two new dinucleating ligands (H3L2 and HL 3), derivatives of a well-known dinucleating ligand (HL1) with two bis-picolylamine sites connected to a bridging phenolate, with hydrogen-bonding donor groups at two of the pyridine moieties were designed and synthesized. Design of these ligands suggests that they will lead to dinuclear complexes with potential to stabilize phosphoester substrates as monodentate rather than bridging ligands. We report the diferric complexes [Fe III2(H2L2)(OH)]4+ and [FeIII2(L3)(OH)(OH2) 2]4+, which have been characterized by spectrophotometric titrations, UV-vis, IR, NMR, EPR, and Moessbauer spectroscopy. The phosphatase activity of the diferric systems, in addition to the partially reduced heterovalent [FeIIIFeII(L3)(OH)(OH 2)2]3+ complex, has been investigated, and the complexes are shown to catalytically hydrolyze the activated phosphodiester substrate BDNPP (bis-dinitrophenylphosphate) as well as the corresponding phosphomonoester substrate DNPP (dinitrophenylphosphate). The results indicate that indeed the secondary interactions lead to an increase of the phosphatase activity and to active phosphomonoesterase catalysts. Interestingly, the heterovalent form of the HL3-based complex is more efficient than the diferric complex, and this is also discussed.

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