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56396-59-9

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56396-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56396-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,3,9 and 6 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 56396-59:
(7*5)+(6*6)+(5*3)+(4*9)+(3*6)+(2*5)+(1*9)=159
159 % 10 = 9
So 56396-59-9 is a valid CAS Registry Number.

56396-59-9Relevant articles and documents

Phosphination of Phenol Derivatives and Applications to Divergent Synthesis of Phosphine Ligands

Li, Chenchen,Zhang, Kezhuo,Zhang, Minghao,Zhang, Wu,Zhao, Wanxiang

supporting information, p. 8766 - 8771 (2021/11/20)

We describe a general and efficient protocol for the synthesis of organophosphine compounds from phenols and phosphines (R2PH) via a metal-free C-O bond cleavage and C-P bond formation process. This approach exhibits broad substrate scope and excellent functional group tolerance. The synthetic utilities of this protocol were demonstrated by the synthesis of chiral ligands via the various transformations of cyano groups and their applications in asymmetric catalysis.

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