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4-(Benzyl-tert-butoxycarbonyl-amino)-3-oxo-butyric acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

207554-16-3

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207554-16-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 207554-16-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,5,5 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 207554-16:
(8*2)+(7*0)+(6*7)+(5*5)+(4*5)+(3*4)+(2*1)+(1*6)=123
123 % 10 = 3
So 207554-16-3 is a valid CAS Registry Number.

207554-16-3Relevant academic research and scientific papers

An efficient synthesis of a key intermediate of DU-6859a via asymmetric microbial reduction

Satoh, Koji,Imura, Akihiro,Miyadera, Akihiko,Kanai, Kazuaki,Yukimoto, Yusuke

, p. 587 - 590 (1998)

An efficient synthetic method for the C-7 substituent of DU-6859a (1), which is a new-generation antibacterial quinolone carboxylic acid, was established by utilizing an enantioselective microbial reduction of 5- benzyl-4,7-dioxo-5-azaspiro[2,4]heptane (7) to the corresponding chiral alcohol (8) as the key reaction. This synthetic method was based on use of AIPHOS (Artificial Intelligence for Planning and Handling Organic Synthesis), which is a synthesis design system that generates suitable retrosynthetic routes from the standpoints of both novelty and practicality.

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