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1380243-13-9

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1380243-13-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1380243-13-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,2,4 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1380243-13:
(9*1)+(8*3)+(7*8)+(6*0)+(5*2)+(4*4)+(3*3)+(2*1)+(1*3)=129
129 % 10 = 9
So 1380243-13-9 is a valid CAS Registry Number.

1380243-13-9Downstream Products

1380243-13-9Relevant articles and documents

Synthesis of Indenones via Palladium-Catalyzed Ligand-Free Carbonylation

Song, Juan,Sun, Haisen,Sun, Wei,Fan, Yuxuan,Li, Cui,Wang, Haotian,Xiao, Kang,Qian, Yan

supporting information, p. 5521 - 5527 (2019/11/14)

A palladium-catalyzed ligand-free carbonylation reaction has been developed for the synthesis of indenones. Under CO atmosphere, this cascade reaction proceeded smoothly to provide the desired indenones in moderate to excellent yields with good functional-group compatibility. The mechanistic investigations suggested the in situ formation of palladium nanoparticles and this transformation was driven by a controlled reaction sequence of alkyne insertion followed by carbonylation and annulation to form the indenone framework. (Figure presented.).

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