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1351521-21-5

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1351521-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1351521-21-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,1,5,2 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1351521-21:
(9*1)+(8*3)+(7*5)+(6*1)+(5*5)+(4*2)+(3*1)+(2*2)+(1*1)=115
115 % 10 = 5
So 1351521-21-5 is a valid CAS Registry Number.

1351521-21-5Downstream Products

1351521-21-5Relevant articles and documents

Synthesis and characterization of zinc complexes and reactivity with primary phosphines

Vaughan, Benjamin A.,Arsenault, Eliza M.,Chan, Stephanie M.,Waterman, Rory

, p. 4327 - 4331 (2012)

Zinc complexes of chelating monoanionic N-donors and neutral diphosphine ligands were synthesized by reaction of diethylzinc with 1,3-diketimine, diazabutadiene, and diphosphine ligand precursors. These complexes were reacted with primary phosphines in an attempt to solicit phosphine dehydrocoupling reactivity. In most cases, insoluble zinc-containing precipitates were formed and ligands were liberated. For the most sterically encumbered complex, ( DippL)ZnEt (3, DippL = [(2,6-iPrC 6H3)NC(CH3)]2CH-), a product assigned as the zinc-phosphide (DippL)ZnPHPh (6) was observed but could not be isolated as a pure compound. A new, less bulky β-diketiminate complex (TolL)ZnEt (2, TolL = [(p-CH3C6H4)NC(CH3)] 2CH-) was reacted with primary phosphines to give a precipitate and the bis(β-diketiminate)zinc complex (TolL) 2Zn (5), an apparent product of comproportionation. ( MesAI)ZnEt (1, MesAI = MesNC(Me)(Et)C(Me) = NMes) and 2 were structurally characterized.

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