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133160-49-3

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133160-49-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133160-49-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,1,6 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 133160-49:
(8*1)+(7*3)+(6*3)+(5*1)+(4*6)+(3*0)+(2*4)+(1*9)=93
93 % 10 = 3
So 133160-49-3 is a valid CAS Registry Number.

133160-49-3Relevant articles and documents

CARBONYLCOBALT(I) COMPLEXES. THE CRYSTAL AND MOLECULAR STRUCTURE OF (Co(CO)(dppm)2)ClO4

Carriedo, C.,Gomez-Sal, P.,Royo, P.,Martinez-Carrera, S.,Garcia-Blanco, S.

, p. 79 - 90 (2007/10/02)

New anionic carbonylcobalt(I) complexes (X2Co(CO)2(PPh3))(PR4) (X=Cl, PR4=PBzPh3 (I); X=Br, PR4=PEtPh3 (II)) have been prepared by reduction of the cobalt(II) halides with NaBH4 in the presence of PPh3 and the phosphonium salt PR4X.Cleavage of halide bridges in dimeric or polymeric (XCo(PPh3)2)n and (XCo(PPh3))n gives the neutral dicarbonyl derivatives XCo(CO)2(PPh3)2.Treatment of ClCo(CO)2(PPh3)2 with alkylating agents gives the known ?- and η-organocobalt(I) derivatives, and reactions with TlClO4 in the presence of various amounts of different mono- and bi-dentate phosphines give the cationic tricarbonyl (Co(CO)3(PPh3)2)(+), dicarbonyl (Co(CO)2(PMePh2)3)(+) and monocarbonyl (Co(CO)L4)(+) complexes (L4=4P(OMe)3, 2 dppe and 2 dppm).The dppm complex crystallizes in the monoclinic space group P21/c with a 17.895(6), b 10.751(2), c 24.687(4) angstroem, β 98.92(1) deg, and Dcalc 1.35 g cm-3 for Z=4.A final R value of 0.077 (Rw=0.061), based on 2656 observed reflections, was obtained.The cobalt atom exhibits a distored trigonal bipyramidal geometry.The perchlorate anion is severely disordered or freely rotating.

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