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54334-99-5

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54334-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54334-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,3,3 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54334-99:
(7*5)+(6*4)+(5*3)+(4*3)+(3*4)+(2*9)+(1*9)=125
125 % 10 = 5
So 54334-99-5 is a valid CAS Registry Number.

54334-99-5Downstream Products

54334-99-5Relevant articles and documents

Glycosyl Triazole Ligand for Temperature-Dependent Competitive Reactions of Cu-Catalyzed Sonogashira Coupling and Glaser Coupling

Mishra, Nidhi,Singh, Sumit K.,Singh, Anoop S.,Agrahari, Anand K.,Tiwari, Vinod K.

, p. 17884 - 17895 (2021/12/17)

Glycosyl triazoles have been introduced as efficient ligands for the Cu-catalyzed Sonogashira reaction to overcome the challenges of sideways homocoupling reactions in Cu catalysis in this reaction. The atmospheric oxygen in a sealed tube did not affect t

Copper-catalyzed decarboxylative coupling of alkynyl carboxylates with 1,1-dibromo-1-alkenes

Huang, Zheng,Shang, Rui,Zhang, Zi-Rong,Tan, Xiao-Dan,Xiao, Xiao,Fu, Yao

, p. 4551 - 4557 (2013/06/05)

A copper-catalyzed decarboxylative coupling reaction of potassium alkynyl carboxylates with 1,1-dibromo-1-alkenes was developed for the synthesis of unsymmetrical 1,3-diyne and 1,3,5-triyne derivatives. Diverse aryl, alkenyl, alkynyl, and alkyl substituted 1,1-dibromo-1-alkenes can react smoothly with aryl and alkyl substituted propiolates to produce unsymmetrical 1,3-diynes and 1,3,5-triynes with high selectivity and good functional group compatibility.

1,4-Dehydrobromination of 1-Bromo-1,2,3-butatrienes: An Efficient Synthesis of 1,4-Disubstituted 1,3-Diynes

Ziegler, Carl B.,Harris, Sonja M.,Baldwin, J. E.

, p. 443 - 446 (2007/10/02)

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