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2-((2R,3R)-2-Mercapto-4-oxo-3-phenylacetylamino-azetidin-1-yl)-malonic acid dibenzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

78815-32-4

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78815-32-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78815-32-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,1 and 5 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78815-32:
(7*7)+(6*8)+(5*8)+(4*1)+(3*5)+(2*3)+(1*2)=164
164 % 10 = 4
So 78815-32-4 is a valid CAS Registry Number.

78815-32-4Relevant academic research and scientific papers

A GENERAL ROUTE TOWARD 2-OXO-, 2-THIOXO- AND 2-IMINOPENAMS AND THEIR CONVERSION INTO 2-ALKOXY-, 2-ALKYLTHIO- AND 2-AMINOPENEMS

Cossement, Marc,Marchand-Brynaert, Jacqueline,Bogdan, Sophie,Ghosez, Leon

, p. 2563 - 2566 (2007/10/02)

A convenient methodology is described which allows the preparation of 2-oxo-, 2-thioxo- and 2-iminopenams from a single precursor readily prepared from penicillin G.These penams have been converted into the corresponding 2-heterosubstituted penems.

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