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123820-52-0

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123820-52-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123820-52-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,8,2 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 123820-52:
(8*1)+(7*2)+(6*3)+(5*8)+(4*2)+(3*0)+(2*5)+(1*2)=100
100 % 10 = 0
So 123820-52-0 is a valid CAS Registry Number.

123820-52-0Downstream Products

123820-52-0Relevant articles and documents

C?Boron Enolates Enable Palladium Catalyzed Carboboration of Internal 1,3-Enynes

Chrostowska, Anna,Lamine, Walid,Li, Bo,Liu, Shih-Yuan,Miqueu, Karinne,Sotiropoulos, Jean-Marc,Wang, Ziyong,Wu, Jason

, p. 21231 - 21236 (2021)

A new family of carbon-bound boron enolates, generated by a kinetically controlled halogen exchange between chlorocatecholborane and silylketene acetals, is described. These C?boron enolates are demonstrated to activate 1,3-enyne substrates in the presence of a Pd0/Senphos ligand complex, resulting in the first examples of a carboboration reaction of an alkyne with enolate-equivalent nucleophiles. Highly substituted dienyl boron building blocks are produced in excellent site-, regio-, and diastereoselectivity by the described catalytic cis-carboboration reaction.

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