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1-(3-{2-(2-Amino-thiazol-4-yl)-2-[(Z)-tert-butoxycarbonylmethoxyimino]-acetylamino}-2-oxo-azetidin-1-yl)-cyclopentanecarboxylic acid benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

140156-89-4

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140156-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140156-89-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,1,5 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 140156-89:
(8*1)+(7*4)+(6*0)+(5*1)+(4*5)+(3*6)+(2*8)+(1*9)=104
104 % 10 = 4
So 140156-89-4 is a valid CAS Registry Number.

140156-89-4Downstream Products

140156-89-4Relevant academic research and scientific papers

Simple and Condensed β-Lactams. Part 13. Synthesis of Some 1-(3-Acylamino-2-oxoazetidin-1-yl)-cyclopentane- and -cyclohexanecarboxylic Acids

Fetter, Jozsef,Lempert, Karoly,Nagy, Jozsef,Nyitrai, Jozsef,Sohar, Pal,et al.

, p. 369 - 374 (2007/10/02)

The synthesis of the title compounds 9a, b, c', f and of the sodium salts 10d, e, g starting with phthaloylglycyl chloride and the trimers 4a-d of methyleneamino-cyclopentane and -cyclohexanecarboxylic esters 3a-d is described.The products were devoid of

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