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4-toluenesulfonic acid 3-(2-bromo-3-oxo-cyclopent-1-enyl)-propyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

252235-50-0

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252235-50-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 252235-50-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,2,3 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 252235-50:
(8*2)+(7*5)+(6*2)+(5*2)+(4*3)+(3*5)+(2*5)+(1*0)=110
110 % 10 = 0
So 252235-50-0 is a valid CAS Registry Number.

252235-50-0Relevant academic research and scientific papers

Enantioselective highly efficient synthesis of (-)-cephalotaxine using two palladium-catalyzed transformations

Tietze, Lutz F.,Schirok, Hartmut

, p. 10264 - 10269 (2007/10/03)

Cephalotaxine (1), the major alkaloid isolated from Cephalotaxus species, has attracted considerable attention due to the promising antitumor activity of several of its derivatives and its unique structural features. Herein we describe a highly efficient

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