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128302-48-7

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128302-48-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128302-48-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,0 and 2 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 128302-48:
(8*1)+(7*2)+(6*8)+(5*3)+(4*0)+(3*2)+(2*4)+(1*8)=107
107 % 10 = 7
So 128302-48-7 is a valid CAS Registry Number.

128302-48-7Downstream Products

128302-48-7Relevant articles and documents

Alkene, Alkyne, Isonitrile, and Carbonyl Complexes of Copper(I) and Silver(I) with Tris-Chelating Oxygen Ligands

Lenders, Bernd,Klaeui, Wolfgang

, p. 2233 - 2240 (2007/10/02)

The preparation of η2-alkynecopper(I) complexes of the composition RCu(η2-alkyne)>, alkyne = tolan, dimethyl acetylenedicarboxylate, is described.LR- are anionic tris-chelating oxygen ligands of the type 3>-, R = OMe, OEt, O-i-Pr.The isonitrile complexes RM(CN-t-Bu)>, M = Cu, Ag, have been prepared from OMeCu(CO)> and OEt>2>, respectively.The silver carbonyl complex OEtAg(CO)> -1> forms in hexane and methanol solutions of OEt>2> under 1 atm of CO gas.The olefin complexes RCu(ba)>, ba = benzylidene acetone, have been prepared from PF6, NaLOMe, and ba and from the carbonyl complex OEtCu(CO)> and ba.The coordination of the carbon-carbon double bond of ba at the LRCu fragment does not lead to a 1,4-addition of methyllithium to the α,β-unsaturated ketone.

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