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2-Propynoic acid, 3-[2-(trifluoromethyl)phenyl]-, 2-propynyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

841205-65-0

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841205-65-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 841205-65-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,1,2,0 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 841205-65:
(8*8)+(7*4)+(6*1)+(5*2)+(4*0)+(3*5)+(2*6)+(1*5)=140
140 % 10 = 0
So 841205-65-0 is a valid CAS Registry Number.

841205-65-0Downstream Products

841205-65-0Relevant academic research and scientific papers

Enantioselective synthesis of axially chiral phthalides through cationic [Rh1(H8-binap)]-catalyzed cross alkyne cyclotrimerization

Tanaka, Ken,Nishida, Goushi,Wada, Azusa,Noguchi, Keiichi

, p. 6510 - 6512 (2007/10/03)

(Chemical equation presented). Easy access to axially chiral phthalides that bear one or two oxymethylene functionalities is provided by an enantioselective cross alkyne cyclotrimerization in the presence of the cationic complex [Rh1{(S)-H8-binap}]+. The axial chirality is introduced during the formation of the benzene ring with high enantioselectivity.

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