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4724-62-3

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4724-62-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4724-62-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,2 and 4 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4724-62:
(6*4)+(5*7)+(4*2)+(3*4)+(2*6)+(1*2)=93
93 % 10 = 3
So 4724-62-3 is a valid CAS Registry Number.

4724-62-3Relevant articles and documents

Formal synthesis of aspidospermidine via the intramolecular cascade transannular cyclization

Huang, Jiu-Zhong,Jie, Xiao-Ke,Wei, Kun,Zhang, Hongbin,Wang, Min-Cai,Yang, Yu-Rong

, p. 1303 - 1306 (2013)

A formal synthesis of aspidospermidine is reported through a novel preparation of Stork's penultimate tricyclic ketone intermediate. The key steps of the synthesis consist of an intramolecular cascade transannular cyclization, triggered by the removal of Boc group, which simultaneously forms the C, D, and E rings of aspidospermidine and conveniently setting up the quaternary stereocenter via decarboxylative alkylation reaction of the β-keto ester. Georg Thieme Verlag Stuttgart. New York.

Total Synthesis of (-)-Rhazinilam and Formal Synthesis of (+)-Eburenine and (+)-Aspidospermidine: Asymmetric Cu-Catalyzed Propargylic Substitution

Shemet, Andrej,Carreira, Erick M.

, p. 5529 - 5532 (2017/10/25)

A total synthesis of (-)-rhazinilam and formal syntheses of (+)-eburenine and (+)-aspidospermidine that rely on a copper(I)-catalyzed asymmetric propargylic substitution as the key step are reported. A salient feature of the reaction is the asymmetric con

Synthesis of biologically active natural products by [3?+?2] cycloaddition of non-stabilized azomethine ylides (AMY): Concepts and realizations

Pandey, Ganesh,Dey, Debasis,Tiwari, Sandip Kumar

, p. 699 - 705 (2017/03/31)

Non-stabilized azomethine ylides (AMY) which are represented as a zwitterionic form of a C[sbnd]N[sbnd]C unit having four electrons in three parallel atomic π orbitals perpendicular to the plane of the dipole, undergoes 1,3-dipolar cycloaddition to produc

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