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1290544-37-4

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1290544-37-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1290544-37-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,0,5,4 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1290544-37:
(9*1)+(8*2)+(7*9)+(6*0)+(5*5)+(4*4)+(3*4)+(2*3)+(1*7)=154
154 % 10 = 4
So 1290544-37-4 is a valid CAS Registry Number.

1290544-37-4Downstream Products

1290544-37-4Relevant articles and documents

Structural diversity and properties of M(II) phenyl substituted pyrazole carboxylate complexes with 0D-, 1D-, 2D- and 3D frameworks

Gong, Yunnan,Liu, Chongbo,Wen, Huiliang,Yan, Liushui,Xiong, Zhiqiang,Ding, Liang

, p. 865 - 875 (2011)

Eight new metal complexes with two kinds of phenyl substituted pyrazole carboxylic acid, [Ni(HL1)2(H2O)2] (1), [Cu(HL1)2(H2O)2] (2), [Zn(HL1)2] (3), [Ni(HL2)2(H 2O)2] (4), [Ni(HL2)2(HL 3)2] (5), [Cu(HL2)2]·2H 2O (6), [Zn(HL2)2] (7), [Zn2(HL 2)2(L2)] (8) [H2L1 = 5-phenyl-1H-pyrazole-3-carboxylic acid; H2L2 = 3-phenyl-1H-pyrazole-4-carboxylic acid; HL3 = 3-phenyl-1H-pyrazole] were prepared by hydro/solvothermal reactions and structurally characterized. Complexes 1 and 2 have monomeric structures; 3 and 4 exhibit 1-D zig-zag chains; 5 and 6 possess 2D layer structures consisting of rhomboid grids; 7 features a 2-fold interpenetrated 3-D diamondoid framework; while complex 8 holds a 3-D NaCl-like framework. Hydrogen bonding and aromatic π-π stacking interactions link the eight complexes into 2-D (1-3) or 3-D (4-8) supramolecular networks, of which 5, 6 and 8 contain single, single and double-stranded helical chains, respectively. The thermal stabilities of complexes 1-8 and photophysical properties of complexes 3 and 7 were investigated.

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