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(3S,4R)-3-[(R)-1-(t-butyldimethylsiloxy)ethyl]-4-[(R)-1-(2-hydroxybenzoyl)ethyl]-2-azetidinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

175417-05-7

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175417-05-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 175417-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,4,1 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 175417-05:
(8*1)+(7*7)+(6*5)+(5*4)+(4*1)+(3*7)+(2*0)+(1*5)=137
137 % 10 = 7
So 175417-05-7 is a valid CAS Registry Number.

175417-05-7Relevant articles and documents

A highly diastereoselective synthesis of a 1-β-methylcarbapenem intermediate using titanium enolate of 2′-hydroxypropiophenone

Lee, You-Sang,Choung, Won-Keun,Kim, Kyoung Hoon,Kang, Tae Won,Ha, Deok-Chan

, p. 867 - 870 (2004)

A key 1-β-methylcarbapenem intermediate is synthesized from a highly diastereoselective condensation between the titanium enolate of 2′-hydroxypropiophenone with 4-acetoxy-β-lactam followed by ozonolysis of the resulting ketone to the carboxylic acid.

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