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5-(4-Methoxy-phenyl)-4-oxo-pentanoic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

33005-53-7

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33005-53-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33005-53-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,0,0 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 33005-53:
(7*3)+(6*3)+(5*0)+(4*0)+(3*5)+(2*5)+(1*3)=67
67 % 10 = 7
So 33005-53-7 is a valid CAS Registry Number.

33005-53-7Relevant academic research and scientific papers

Cooperative activation with chiral nucleophilic catalysts and n-haloimides: Enantioselective iodolactonization of 4-arylmethyl-4-pentenoic acids

Nakatsuji, Hidefumi,Sawamura, Yasuhiro,Sakakura, Akira,Ishihara, Kazuaki

supporting information, p. 6974 - 6977 (2014/07/08)

Chiral triaryl phosphates promote the enantioselective iodolactonization of 4-substituted 4-pentenoic acids to give the corresponding iodolactones in high yields with high enantioselectivity. N-Chlorophthalimide (NCP) is employed as a Lewis acidic activat

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