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[1-(2,4-Dimethoxy-benzyl)-4-oxo-azetidin-2-yl]-acetic acid benzhydryl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

104429-99-4

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104429-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104429-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,4,2 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 104429-99:
(8*1)+(7*0)+(6*4)+(5*4)+(4*2)+(3*9)+(2*9)+(1*9)=114
114 % 10 = 4
So 104429-99-4 is a valid CAS Registry Number.

104429-99-4Relevant academic research and scientific papers

Simple and Condensed β-Lactams. Part 5. The Synthesis of some (5RS,6SR)-2-(Formylaminoethylthio)-6-(2-methyl-1,3-dioxolan-2-yl)carbapenem-3-carboxylic Acid Derivatives and Related Compounds

Fetter, Jozsef,Lempert, Karoly,Gizur, Tibor,Nyitrai, Jozsef,Kajtar-Peredy, Maria,et al.

, p. 221 - 228 (2007/10/02)

Starting with the 4-oxoazetidine-2-carboxylic acids (3a) and (3b), methods for the synthesis of derivatives of the racemic carbapenem-3-carboxylic acid (2), an analogue of the potent antibiotic thienamycin have been developed.The synthetic steps included

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