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138784-60-8

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138784-60-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138784-60-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,8 and 4 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138784-60:
(8*1)+(7*3)+(6*8)+(5*7)+(4*8)+(3*4)+(2*6)+(1*0)=168
168 % 10 = 8
So 138784-60-8 is a valid CAS Registry Number.

138784-60-8Relevant articles and documents

Reactivity of cis-Pt(C6F5)2(OC4H8) 2 toward (C6H5)2CN2. Synthesis and molecular structure of Pt(C6F5)[(2-C6H4)C(C 6H5)=N-N=(η2-C6H 5)C(C6H ...

Forniés, Juan,Menjón, Babil,Gómez, Nicomedes,Tomás, Milagros

, p. 1187 - 1193 (2008/10/08)

Full title: Reactivity of cis-Pt(C6F5)2(OC4H8) 2 toward (C6H5)2CN2. Synthesis and molecular structure of Pt(C6F5)[(2-C6H4)C(C 6H5)=N-N=(η2-C6H 5)C(C6H5)], an ortho-metalated compound containing an unusual intramolecular η2-arene-Pt interaction. Treatment of cis-Pt(C6F5)2(OC4H8) 2 (1) with (C6H5)2CN2 (2) affords cis-Pt(C6F5)2[(C6H5) 2C=N-N= C(C6H5)2] (4), which can also be obtained by reacting 1 with (C6H5)2C=N-N=C(C6H5) 2 (3). A possible structure of complex 4 is discussed both in terms of its spectroscopical features and its chemical behavior. 4 undergoes an ortho-metalation process by thermolysis either in solution or in the solid state, yielding Pt(C6F5)[(2-C6H4)C(C 6H5)=N-N=(η2-C6H 5)C(C6H5)] (7), which has been structurally characterized by an X-ray diffraction study. 7 crystallizes in monoclinic space group P21/n with a = 11.8359 (6) A?, b = 14.2561 (7) A?, c = 15.4549 (9) A?, β = 103.200(5)°; V = 2539 (1) A?3, and Z = 4. One of the phenyl rings of the ortho-metalated benzophenone azine is η2-coordinated to platinum, the whole ligand acting as tridentate. The η2-aryl-Pt coordination, present in 7 and postulated in 4, is released by reaction of each compound with CO, thereby giving rise to Pt(C6F5)[(2-C6H4)C(C 6H5)=N-N=C(C6H5)2](CO) (8) and cis-Pt(C6F5)2[(C6H5) 2C=N-N=C(C6H5)2](CO) (5), respectively.

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