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73643-89-7

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73643-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73643-89-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,6,4 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 73643-89:
(7*7)+(6*3)+(5*6)+(4*4)+(3*3)+(2*8)+(1*9)=147
147 % 10 = 7
So 73643-89-7 is a valid CAS Registry Number.

73643-89-7Downstream Products

73643-89-7Relevant articles and documents

Transition metal chemistry of phosphorus based ligands: Synthesis and transition metal chemistry of N,N′-dimethyl,-bis(diphenylphosphino)ethylenediamine. The crystal and molecular structure of [ReBr(CO)3{Ph2PN(Me)CH2CH 2(Me)NPPh2}]

Balakrishna, Maravanji S.,Walawalker, Mrinalini G.

, p. 76 - 80 (2007/10/03)

The bis(phosphine), Ph2PN(CH3)CH2CH2N(CH 3)PPh2 reacts with Group 6 metal carbonyl derivatives, [ReBr(CO)3(NCMe)2] and [MCl2(COD)] (M=Pd or Pt) to give the corresponding seven-membered chelate complexes. The compounds have been characterized by elemental analysis, IR and NMR spectroscopic data. The structure of the rhenium complex, [ReBr(CO)3{Ph2PN(CH3)CH2CH 2(CH3)NPPh2}] has been confirmed by X-ray crystallography.

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