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921770-28-7

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921770-28-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 921770-28-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,1,7,7 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 921770-28:
(8*9)+(7*2)+(6*1)+(5*7)+(4*7)+(3*0)+(2*2)+(1*8)=167
167 % 10 = 7
So 921770-28-7 is a valid CAS Registry Number.

921770-28-7Downstream Products

921770-28-7Relevant articles and documents

Three copper(II) complexes constructed from a new 1,3,5-triazine derivative ligand

Wu, Ya-Pan,Wang, Cui-Juan,Wang, Yao-Yu,Liu, Ping,Wu, Wei-Ping,Shi, Qi-Zhen,Peng, Shie-Ming

, p. 3533 - 3542 (2006)

Three new complexes {[Cu(dpdapt)(Hhbd)] · 6H2O}n (1) (dpdapt = N,N′-di(2-pyridyl)-2,4-diamino-6-phenyl-1,3,5-triazine, Hhbd = 2-hydroxybutanedioicate dianion), [Cu(dpdapt)(SO4)] · 2H2O (2) and [Cu(dpdapt)(oxa)] · H2O (3) (oxa = oxalate dianion) have been synthesized and structurally characterized. The non-covalent interactions of π-π stacking and hydrogen bonding extend complexes 1-3 into supramolecular architectures, where 1 self-assembles into a 1D polymeric chain by dicarboxylate bridges and exhibits a 3D framework with 1D open channels, while complexes 2 and 3 display 2D wavelike networks. Interestingly, in 1, the host framework encapsulates hexameric water clusters that are connected into 1D arrays by supramolecular association along the 1D open channels. The UV/vis, IR spectra, fluorescence and TG analysis for complexes 1, 2 and 3 are also discussed.

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