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129189-51-1

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129189-51-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129189-51-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,8 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 129189-51:
(8*1)+(7*2)+(6*9)+(5*1)+(4*8)+(3*9)+(2*5)+(1*1)=151
151 % 10 = 1
So 129189-51-1 is a valid CAS Registry Number.

129189-51-1Downstream Products

129189-51-1Relevant articles and documents

Synthesis of Chiral Square Planar Cobalt(III) Complexes and Catalytic Asymmetric Epoxidations with these Complexes

Ozaki, Shigeko,Mimura, Hisashi,Yasuhara, Naoko,Masui, Masaichiro,Yamagata, Yuriko,et al.

, p. 353 - 360 (2007/10/02)

The chiral square planar cobalt(III) complexes, Na4-(R)-HMBA-DMP)> (2), -2,4-dimethylpentan-3-one> and complexes with two or four chiral centres, Co2L> have been prepared and characterized by 1H NMR spectroscopy, solution magnetic properties, and X-ray crystallography.Asymmetric epoxidations of styrenes with these chiral cobalt(III) complexes and iodosylbenzene have been investigated.Various substituted styrenes were epoxidized with chemical yields of (25-86percent) and enantiomeric excess between 0 and 17percent.

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