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215717-35-4

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215717-35-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 215717-35-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,7,1 and 7 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 215717-35:
(8*2)+(7*1)+(6*5)+(5*7)+(4*1)+(3*7)+(2*3)+(1*5)=124
124 % 10 = 4
So 215717-35-4 is a valid CAS Registry Number.

215717-35-4Downstream Products

215717-35-4Relevant articles and documents

η6-Arene-cobalt(I) complexes

Grossheimann,Holle,Jolly

, p. 205 - 211 (2007/10/03)

(η6-Arene)Co(I) complexes stabilized by bisphosphines, e.g. [(η6-MeC6H5)Co(Pr2 iPC2H4PPr2i)] +BF4-, have been prepared by reacting (η3-cyclooctenyl)Co(bisphosphine) species with HBF4 in the presence of an arene. The (η6-C6H6)Co(I) compounds can also be prepared by hydrogen abstraction from the corresponding (η5-cyclohexadienyl)Co(I) complex or by hydrogenation of (η3-cyclooctenyl)Co(II) species in the presence of benzene. Facile arene-exchange occurs upon treatment of these compounds with a second arene. In contrast, (η3-cyclohexenyl)Co(I) and (η5-cycloheptadienyl)Co(I) complexes are oxidized by HBF4 in the presence of an alkene to give (η3-cyclohexenyl)Co(II) and (η5-cycloheptadienyl)Co(II) species: the former have been characterized as their diamagnetic NO adducts and the latter by a crystal structure determination.

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