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(2S,5S,6S)-3-[2-(4-Nitro-benzyloxycarbonylamino)-ethylsulfanyl]-6-[(R)-1-(4-nitro-benzyloxycarbonyloxy)-ethyl]-7-oxo-1-aza-bicyclo[3.2.0]hept-3-ene-2-carboxylic acid 4-nitro-benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

72843-08-4

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72843-08-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72843-08-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,8,4 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72843-08:
(7*7)+(6*2)+(5*8)+(4*4)+(3*3)+(2*0)+(1*8)=134
134 % 10 = 4
So 72843-08-4 is a valid CAS Registry Number.

72843-08-4Downstream Products

72843-08-4Relevant academic research and scientific papers

Thienamycin Total Synthesis. 3. Total Synthesis of (+/-)-Thienamycin and (+/-)-8-Epithienamycin

Schmitt, Susan M.,Johnston, David B.R.,Christensen, B.G.

, p. 1142 - 1148 (2007/10/02)

The completion of the total synthesis of (+/-)-8-epithienamycin and (+/-)-thienamycin from azetidinones 3a and 3b using the methodology developed for the synthesis of model compound 4 (see part 2) is described.

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