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131291-66-2

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131291-66-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131291-66-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,9 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 131291-66:
(8*1)+(7*3)+(6*1)+(5*2)+(4*9)+(3*1)+(2*6)+(1*6)=102
102 % 10 = 2
So 131291-66-2 is a valid CAS Registry Number.

131291-66-2Relevant articles and documents

Nine diiron(II) complexes of three bis-tetradentate pyrimidine based ligands with NCE (E = S, Se, BH3) coligands

Gobeze, Worku A.,Milway, Victoria A.,Olguin, Juan,Jameson, Guy N. L.,Brooker, Sally

, p. 9056 - 9065,10 (2012/12/12)

Three bis-tetradentate acyclic amine ligands differing only in the arm length of the pyridine pendant arms attached to the 4,6-positions of the pyrimidine ring, namely, 4,6-bis[N,N-bis(2'-pyridylethyl)aminomethyl]-2- phenylpyrimidine (LEt), 4,6-bis[N,N-bis(2'-pyridylmethyl)aminomethyl] -2-phenylpyrimidine (LMe), and 4,6-[(2'-pyridylmethyl)-2'- pyridylethyl)aminomethyl]-2-phenylpyrimidine (LMix) have been used to synthesize nine air-sensitive diiron(II) complexes: [FeII 2LEt(NCS)4]·MeOH·3/ 4H2O (1·MeOH·3/4H 2O), [FeII2LEt(NCSe) 4]·H2O (2·H2O), [Fe II2LEt(NCBH3)4] ·5/2H2O (3·5/ 2H2O), [FeII2LMe(NCS) 4]·1/2H2O (4·1/2H2O), [FeII 2LMe(NCSe)4] (5), [FeII 2LMe(NCBH3)4]·3/ 2H2O (6·3/2H2O), [FeII2LMix(NCS)4] ·1/2H2O (7·1/ 2H2O), [FeII2LMix(NCSe) 4]·3/2H2O (8·3/2H2O), and [FeII 2LMix(NCBH3)4]·3/ 2H2O (9·3/2H2O). Complexes 3·5/2H2O, 4· 1/2H2O, 5, 6·3/ 2H2O, and 8·3/2H2O were structurally characterized by X-ray crystallography, revealing, in all cases, both of the iron(II) centers in an octahedral environment with two NCE (E = S, Se, or BH3) anions in a cis-position relative to one another. Variable temperature magnetic susceptibility measurements showed that all nine diiron(II) complexes are stabilized in the [HS-HS] state from 300 K to 4 K, and exhibit weak antiferromagnetic coupling. Moessbauer spectroscopy confirmed the spin and oxidation states of eight of the nine complexes (the synthesis of air-sensitive complex 3 was not readily reproduced).

Cyclometallated compounds VI. Cyclopalladation of 2-phenylpyrimidines with pendant pyrazole donors

Caygill, Graham B.,Steel, Peter

, p. 375 - 381 (2007/10/02)

The use of pendant pyrazole groups to induce double cyclopalladation of 2-phenylpyrimidines has been investigated. 4,6-Bis(pyrazol-1-yl)-2-phenylpyrimidine undergoes monocyclopalladation only, whilst 4-methyl-2-phenyl-6(pyrazol-1-ylmethyl)pyrimidine react

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