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905844-65-7

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905844-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 905844-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,5,8,4 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 905844-65:
(8*9)+(7*0)+(6*5)+(5*8)+(4*4)+(3*4)+(2*6)+(1*5)=187
187 % 10 = 7
So 905844-65-7 is a valid CAS Registry Number.

905844-65-7Relevant articles and documents

Bis(azido) compounds of Pd and Pt with bulky phosphine ligands (dppn=1,8-bis(diphenylphosphino)naphthalene, dppf=1,1′-bis(diphenylphosphino)ferrocene, 1-dpn=1-diphenylphosphino-naphthalene): Preparation, structures, and reactivity toward isocyanides

Huh, Hyun Sue,Lee, Yeon Kyoung,Lee, Soon W.

, p. 209 - 219 (2007/10/03)

Pd-bis(azido) compounds [Pd(dppn)(N3)2] and [Pd(dppf)(N3)2], which contain bulky chelating bis(phosphine) ligands (dppn=1,8-bis(diphenylphosphino)naphthalene, dppf=1,1′-bis(diphenylphosphino)ferrocene), were prepared from the corresponding chlorides and NaN3. We also prepared the Pt-bis(azido) compound [Pt(1-dpn)(SMe2)(N3)2] containing a bulky monodentate phosphine (1-dpn=1-diphenylphosphino-naphthalene). All these compounds underwent [2+3] cycloaddition with isocyanides (R-NC, R=cyclohexyl, tert-butyl, 2,6-dimethylphenyl) to convert azido ligands to five-membered, C-coordinated tetrazolate rings. In addition, we observed the [Pd(dppn)Cl2]-mediated C-C coupling of PhC{triple bond, short}CH to generate the η2-PhC{triple bond, short}C-C{triple bond, short}CPh ligand. All compounds have been structurally characterized by X-ray diffraction.

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