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234430-13-8

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234430-13-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 234430-13-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,4,4,3 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 234430-13:
(8*2)+(7*3)+(6*4)+(5*4)+(4*3)+(3*0)+(2*1)+(1*3)=98
98 % 10 = 8
So 234430-13-8 is a valid CAS Registry Number.

234430-13-8Relevant articles and documents

Spectroscopic and structural characterization of O,O′-(diphenylphosphineoxide)amidate and acetylacetonate complexes of pentacoordinate nickel(II)

García-Bueno, Rocío,Santana, M. Dolores,Sánchez, Gregorio,García, Joaquín,García, Gabriel,Pérez, José,García, Luís

experimental part, p. 316 - 322 (2009/04/13)

Heteroleptic nickel pentacoordinate complexes with the macrocyclic ligands 2,4,4-trimethyl-1,5,9-triazacyclododec-1-ene (Me3-mcN3) or its 9-methyl derivative (Me4-mcN3), as ancillary ligands, and O,O′-(diphenylphosphineoxide)amidate ligands, [RC(O)NP(O)Ph2]? (R = C6H6 (1), C5H4N (2), C4H3S (3)), have been prepared as well as related acetylacetonate derivatives. The complexes have been studied by spectroscopic methods (IR, UV-Vis and 1H NMR). In acetone solution, the complexes exhibit isotropically shifted 1H NMR resonances. The full assignment of these resonances has been achieved using one- and two-dimensional 1H NMR techniques. The single-crystal structures of {(Me4-mcN3)Ni[OP(Ph2)NC(Tf)O]}[PF6] (9) and {(Me3-mcN3)Ni(acac)}[PF6] (10) have been established by X-ray diffraction.

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