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119073-39-1

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119073-39-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119073-39-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,0,7 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 119073-39:
(8*1)+(7*1)+(6*9)+(5*0)+(4*7)+(3*3)+(2*3)+(1*9)=121
121 % 10 = 1
So 119073-39-1 is a valid CAS Registry Number.

119073-39-1Downstream Products

119073-39-1Relevant articles and documents

Dinuclear aluminum complexes supported by amino- or imino-phenolate ligands: Synthesis, structures, and ring-opening polymerization catalysis of rac-lactide

Yu, Xiao-Feng,Wang, Zhong-Xia

, p. 3860 - 3868 (2013)

Two series of ligand precursors [2-OH-3-(CH2NR 2)-5-MeC6H2]2CH2 (1: NR2 = NMe2; 2: NR2 = N(CH2) 4; 3: NR2 = N(CH2)5; 4: NR 2 = N(Me)Ph) and [2-OH-3-(CHNR)-5-MeC6H2] 2CH2 (10: R = 2,6-Pri2C6H3; 11: R = p-MeC6H4; 12: R = p-ClC6H4; 13: R = p-MeOC6H4; 14: R = But) were prepared. These compounds reacted with AlMe3 to afford corresponding dinuclear aluminum complexes [AlMe2{2-O-3-(CH2NR2)-5- MeC6H2}]2CH2 (6: NR2 = NMe2; 7: NR2 = N(CH2)4; 8: NR 2 = N(CH2)5; 9: NR2 = N(Me)Ph) and [AlMe2{2-O-3-(CHNR)-5-MeC6H2}] 2CH2 (15: R = 2,6-Pri2C6H3; 16: R = p-MeC6H4; 17: R = p-ClC6H4; 18: R = p-MeOC6H4; 19: R = But). All the compounds were characterized by 1H and 13C NMR spectroscopy and elemental analyses. Complexes 6 and 16 were additionally characterized by single crystal X-ray diffraction techniques. Catalysis of the aluminum complexes towards the ring-opening polymerization of rac-lactide was evaluated in the presence of benzyl alcohol. All the polymerization reactions proceed in a controlled manner.

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