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729572-86-5

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729572-86-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 729572-86-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,9,5,7 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 729572-86:
(8*7)+(7*2)+(6*9)+(5*5)+(4*7)+(3*2)+(2*8)+(1*6)=205
205 % 10 = 5
So 729572-86-5 is a valid CAS Registry Number.

729572-86-5Downstream Products

729572-86-5Relevant articles and documents

(Neocuproin)zinc Thiolates: Attempts at Modeling Cobalamin-Independent Methionine Synthase

Seebacher, Jan,Ji, Mian,Vahrenkamp, Heinrich

, p. 409 - 417 (2007/10/03)

Several new complexes [(neo)Zn(SR)2] [neo = neocuproin (2,9-dimethylphenanthroline)] have been synthesized and structurally characterised. They react in a stepwise fashion with the alkylating agents CH3I and (CH3)2SO4 to afford the thioethers CH3SR and first the mixed complexes [(neo)Zn(SR)X] (X = I, CH3SO4) and then [(neo)ZnX2]. Similar alkylations occur with benzyl iodide, but not with trimethyl phosphate in nonpolar media. Under these conditions, thiolate exchange with [PPN]SR does not occur which indicates that the alkylations take place at the zinc-bound thiolates. In polar solvents (methanol, DMSO), thiolate exchange occurs readily, and at higher temperatures (CH3)3PO4 also acts as an alkylating agent which indicates that under these conditions free thiolate is available in solution. Qualitative kinetic data support the associative alkylation mechanism in nonpolar media and the change of mechanism in polar media. Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004.

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