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(2S,5R)-3,3-Dimethyl-7-oxo-6-[(E)-trifluoromethanesulfonylimino]-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

83007-72-1

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83007-72-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83007-72-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,0 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83007-72:
(7*8)+(6*3)+(5*0)+(4*0)+(3*7)+(2*7)+(1*2)=111
111 % 10 = 1
So 83007-72-1 is a valid CAS Registry Number.

83007-72-1Relevant academic research and scientific papers

An Efficient Synthesis of 6-Oxopenicillanic and 7-Oxocephalosporanic Acid Derivatives

Hagiwara, Daijiro,Sawada, Kozo,Ohnami, Tetsuo,Aratani, Matsuhiko,Hashimoto, Masashi

, p. 578 - 579 (2007/10/02)

Trifluoromethanesulphonation of benzyl 6-aminopenicillanate (3) and the 7-aminocephalosporanates (7a-c) with (CF3SO2)2O gave the bis(trifluoromethylsulphonate) derivatives (5) and (8a-c), which were then converted into the imines (6) and (9a-c) by treatme

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