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127065-59-2

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127065-59-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127065-59-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,0,6 and 5 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 127065-59:
(8*1)+(7*2)+(6*7)+(5*0)+(4*6)+(3*5)+(2*5)+(1*9)=122
122 % 10 = 2
So 127065-59-2 is a valid CAS Registry Number.

127065-59-2Relevant articles and documents

Stable cationic 17-electron [LM(CO)3]+ species (L = 1,4,7-tribenzyl-1,4,7-triazacyclononane; M = Cr, Mo, W): Synthesis, spectroscopic properties, and reactivity. Crystal structure of [LMo(CO)3](PF6)·dmf

Beissel, Thomas,Della Vedova, Beatriz S. P. C.,Wieghardt, Karl,Boese, Roland

, p. 1736 - 1741 (2008/10/08)

The neutral 18-electron complexes LM(CO)3, where L, represents the tridentate capping ligand 1,4,7-tribenzyl-1,4,7-triazacyclononane and M is Cr, Mo, or W, were prepared from M(CO)6 and L in dimethylformamide (dmf) at 150°C. Oxidation of these diamagnetic complexes in CH2Cl2 with ferrocenium hexafluorophosphate affords the cationic 17-electron species [LM-(CO)3]PF6 in good yields. Magnetic susceptibility measurements and ESR spectroscopy confirm the presence of one unpaired electron per cation in these materials. The crystal structure of [LMo(CO)3](PF6)·dmf has been determined by X-ray crystallography (trigonal, space group R3; a = 18.299 (4), c = 24.852 (7) A?; Z = 9). The molybdenum atom is in a pseudooctahedral environment comprising three facially coordinated amine nitrogen atoms and three carbonyl ligands. The cation possesses crystallographically imposed C3 symmetry. Cyclic voltammetry reveals a reversible one-electron oxidation of LM(CO)3 species in dmf at -0.52 V vs Fc+/Fc for the chromium complex, at -0.23 V vs Fc+/Fc for the molybdenum complex, and at -0.305 V vs Fc+/Fc for the tungsten complex. At more anodic potentials a second irreversible oxidation wave has been observed. The reactivity of the LM(CO)3 species has been briefly investigated.

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