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(6R)-3-methoxy-8-oxo-7t-(2-phenoxy-acetylamino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-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.

53116-59-9

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53116-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53116-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,1,1 and 6 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 53116-59:
(7*5)+(6*3)+(5*1)+(4*1)+(3*6)+(2*5)+(1*9)=99
99 % 10 = 9
So 53116-59-9 is a valid CAS Registry Number.

53116-59-9Relevant academic research and scientific papers

Catalytic transfer hydrogenolysis of 4-nitrobenzyl esters of cephalosporins

Albanese, Domenico,Leone, Mario,Penso, Michele,Seminati, Monica,Zenoni, Maurizio

, p. 2405 - 2408 (1998)

Cephalosporins 1a-d have been selectively hydrogenolysed to their corresponding acids 2a-d without isomerisation of the cephem double-bond using anhydrous ammonium formate or phosphinic acid as catalytic transfer agents in the presence of 10% pd/C.

C(3)-ALKOXYCEPHEMS

Spry, Douglas O.,Bhala, Anita R.

, p. 1653 - 1661 (2007/10/02)

The C(3)-hydroxycephems 1 undergo the Mitsunobu reaction to give a series of heretofore unavailable C(3)-alkoxycephems 2.

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