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1391524-20-1

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1391524-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1391524-20-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,1,5,2 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1391524-20:
(9*1)+(8*3)+(7*9)+(6*1)+(5*5)+(4*2)+(3*4)+(2*2)+(1*0)=151
151 % 10 = 1
So 1391524-20-1 is a valid CAS Registry Number.

1391524-20-1Downstream Products

1391524-20-1Relevant articles and documents

Tuning the adsorption properties of isoreticular pyrazolate-based metal-organic frameworks through ligand modification

Colombo, Valentina,Montoro, Carmen,Maspero, Angelo,Palmisano, Giovanni,Masciocchi, Norberto,Galli, Simona,Barea, Elisa,Navarro, Jorge A. R.

, p. 12830 - 12843 (2012)

Two isoreticular series of pyrazolate-based 3D open metal-organic frameworks, MBDP-X, adopting the NiBDP and ZnBDP structure types [H 2BDP = 1,4-bis(1H-pyrazol-4-yl)benzene], were synthesized with the new tagged organic linkers H2BDP-X (X = -NO2, -NH 2, -OH). All of the MBDP-X materials have been characterized through a combination of techniques. IR spectroscopy proved the effective presence of tags, while X-ray powder diffraction (XRPD) witnessed their isoreticular nature. Simultaneous TG/DSC analyses (STA) demonstrated their remarkable thermal stability, while variable-temperature XRPD experiments highlighted their high degree of flexibility related to guest-induced fit processes of the solvent molecules included in the channels. A structural isomer of the parent NiBDP was obtained with a sulfonate tagged ligand, H2BDP-SO3H. Structure solution from powder diffraction data collected at three different temperatures (room temperature, 90, and 250 °C) allowed the determination of its structure and the comprehension of its solvent-related flexible behavior. Finally, the potential application of the tagged MOFs in selective adsorption processes for gas separation and purification purposes was investigated by conventional single component adsorption isotherms, as well as by advanced experiments of pulse gas chromatography and breakthrough curve measurements. Noteworthy, the results show that functionalization does not improve the adsorption selectivity (partition coefficients) for the resolution of gas mixtures characterized by similar high quadrupole moments (e.g., CO 2/C2H2); however, the resolution of gas mixtures containing molecules with highly differentiated polarities (i.e., N2/CO2 or CH4/CO2) is highly improved.

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