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13511-31-4

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13511-31-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13511-31-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,5,1 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13511-31:
(7*1)+(6*3)+(5*5)+(4*1)+(3*1)+(2*3)+(1*1)=64
64 % 10 = 4
So 13511-31-4 is a valid CAS Registry Number.

13511-31-4Relevant articles and documents

Phenoxy-Dialkoxy Borates as a New Class of Readily Prepared Preactivated Reagents for Base-Free Cross-Coupling

Paladino, Marco,Boghi, Michele,Hall, Dennis G.

, p. 6566 - 6570 (2019)

One of the most useful chemical transformations of organoboronic acids is the Suzuki–Miyaura cross-coupling reaction. Although it has vast application, it possesses some limitations: boronic acids can be difficult to quantify accurately due to their tendency to form oligomeric anhydrides and they must be activated under basic conditions. To address these problems, a new class of boronic acid derivatives is described. Phenoxy-dialkoxy borates are prepared under mild conditions and show good solubility in common organic solvents. These adducts can be used in base-free metal-catalysed cross-coupling reactions, including orthogonal reactions with MIDA boronates and trifluoroborates.

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