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149457-45-4

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149457-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149457-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,4,5 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 149457-45:
(8*1)+(7*4)+(6*9)+(5*4)+(4*5)+(3*7)+(2*4)+(1*5)=164
164 % 10 = 4
So 149457-45-4 is a valid CAS Registry Number.

149457-45-4Relevant articles and documents

Synthesis and Photophysical Properties of Naphtho[b]- and Indeno[b]-fused BODIPYs

Chen, Lei,Wu, Baogeng,Yuan, Aihua,Zhou, Zhikuan

, (2020)

A new synthetic method to construct [b]-fused BODIPY derivatives through PtCl2-catalyzed cycloisomerization reaction of peripherally phenylacetylene substituted BODIPYs is reported. Electron donating methoxy group facilitate both the 6-endo and

Metal-Free Aminoiodination of Alkynes Under Visible Light Irradiation for the Construction of a Nitrogen-Containing Eight-Membered Ring System

Kanyiva, Kyalo Stephen,Marina, Tane,Nishibe, Shun,Shibata, Takanori

supporting information, p. 2746 - 2751 (2021/04/05)

A method for the synthesis of dihydrodibenzo[c,e]azocine derivatives via a regioselective intramolecular aminoiodination of alkynes under visible light irradiation has been developed. This protocol uses a combination of iodine and hypervalent iodine to re

Concise synthesis of phospholene and its P-stereogenic derivatives

Duan, Zheng,Hu, Wei,Li, Er-Qing,Mathey, Fran?ois

, p. 14772 - 14778 (2020/12/29)

A simple method to build phospholene derivatives has been achieved in a one-pot reaction with readily available o-alkynylaryl bromides and alkylphosphine oxides. This method is also applicable to synthesize P-stereogenic phospholenes, and the resulting chiral phosphine was utilized as a ligand for coordination chemistry.

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