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206880-67-3

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206880-67-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 206880-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,8,8 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 206880-67:
(8*2)+(7*0)+(6*6)+(5*8)+(4*8)+(3*0)+(2*6)+(1*7)=143
143 % 10 = 3
So 206880-67-3 is a valid CAS Registry Number.

206880-67-3Upstream product

206880-67-3Downstream Products

206880-67-3Relevant articles and documents

Synthesis and characterization of d2 imido complexes of molybdenum. Crystal structure of [MoCl2{N(mes)}(PhC≡CPh)-(PMe3) 2]·0.5PhC≡CPh (mes = 2,4,6-trimethylphenyl)

Montilla, Francisco,Galindo, Agustin,Carmona, Ernesto,Gutierrez-Puebla, Enrique,Monge, Angeles

, p. 1299 - 1305 (2007/10/03)

The compound [MoCl2{N(mes)}(PMe3)3] 1 (mes = 2,4,6-trimethylphenyl) has been prepared by the reaction of [MoCl3{N(mes)}(dme)] (dme = 1,2-dimethoxyethane) with 2 equivalents of PMe3 and subsequent sodium amalgam reduction, in the presence of 1 additional equivalent of PMe3. Metathesis reactions of 1 with KX gave [MoX2{N(mes)}(PMe3)3] (X = Br 2 or NCS 3), whereas the anionic bidentate PriOCS2- ligand produced the monophosphine compound (Mo{N(mes)}(S2COPri)2(PMe3)] 4. Substitution of two of the PMe3 ligands to give [MoCl2{N(mes)}(PMe3)(depe)] 5 (depe = Et2PCH2CH2PEt2) is also feasible, whilst phosphites and other π acceptors provided the corresponding [MoCl2{N(mes)}L(PMe3)2] compounds [L = P(OMe)3 6, P(OCH2)3-CCH2CH3 7, C2H4 8, H2C=CHCO2Me 9, CO 10, CNBut 11, CNMe 12, PhC≡CH 13 or PhC≡CPh 14] by substitution of the unique PMe3 group of 1. Some of these arylimido complexes exhibit dynamic behaviour in solution, due to restricted rotation of the aryl group around the C-N bond. The molecular structure of 14 (as its PhC≡CPh hemisolvate, i.e. 14·0.5PhC≡CPh) has been determined by an X-ray study.

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