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51945-21-2

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51945-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51945-21-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,9,4 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51945-21:
(7*5)+(6*1)+(5*9)+(4*4)+(3*5)+(2*2)+(1*1)=122
122 % 10 = 2
So 51945-21-2 is a valid CAS Registry Number.

51945-21-2Downstream Products

51945-21-2Relevant articles and documents

Gram-Scale Synthesis of Cu(II)@COF via Solid-State Coordination Approach for Catalysis of Alkyne-Dihalomethane-Amine Coupling

Kan, Xuan,Wang, Jian-Cheng,Kan, Jing-Lan,Shang, Jin-Yan,Qiao, Hua,Dong, Yu-Bin

, p. 3393 - 3400 (2021/03/08)

A novel covalent organic framework material COF-DM, which contains chelating coordination environments, was synthesized at the gram level under mild conditions. In addition, its Cu(II)-loaded complex of Cu(II)@COF-DM was prepared by impregnating COF-DM in

Silica nanospheres supported diazafluorene iron complex: An efficient and versatile nanocatalyst for the synthesis of propargylamines from terminal alkynes, dihalomethane and amines

Sharma,Sharma, Shivani,Gaba, Garima

, p. 49198 - 49211 (2014/12/11)

We present the synthesis of an efficient heterogeneous silica nanosphere supported iron catalyst (SiO2@APTES@DAFO-Fe) and its catalytic application in a one pot three-component coupling reaction of terminal alkynes, dihalomethane and secondary

Cobalt-catalyzed alkyne-dihalomethane-amine coupling: An efficient route for propargylamines

Tang, Yanchi,Xiao, Tiebo,Zhou, Lei

supporting information, p. 6199 - 6201,3 (2012/12/12)

A cobalt-catalyzed three-component coupling of terminal alkynes, dihalomethanes, and amines was developed. This method offers an efficient way for propargylamines via the dual activation of C-H and C-halogen bond. The reaction uses cheap CoBr2

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