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158225-44-6

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158225-44-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158225-44-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,2,2 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 158225-44:
(8*1)+(7*5)+(6*8)+(5*2)+(4*2)+(3*5)+(2*4)+(1*4)=136
136 % 10 = 6
So 158225-44-6 is a valid CAS Registry Number.

158225-44-6Relevant articles and documents

Large-scale and highly enantioselective synthesis of the taxol C-13 side chain through asymmetric dihydroxylation

Wang,Kolb,Sharpless

, p. 5104 - 5105 (1994)

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A highly efficient and practical new PEG-bound bi-cinchona alkaloid ligand for the catalytic asymmetric aminohydroxylation of alkenes

Yang, Xi-Wen,Liu, Han-Quan,Xu, Ming-Hua,Lin, Guo-Qiang

, p. 1915 - 1918 (2007/10/03)

A new recyclable PEG-bound bi-cinchona alkaloid ligand has been developed for homogeneous catalytic asymmetric aminohydroxylation; it can be easily recovered by precipitation and reused more than five times without any significant loss in its catalytic efficiency.

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