LN-236327
(6R,7R)-7-[[(2Z)-2-(2-AMino-4-thiazolyl)-2-[(carboxyMethoxy)iMino]acetyl]aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid , 99.9% , 72701-01-0
CAS NO.:72701-01-0
Empirical Formula: C15H15N5O7S2
Molecular Weight: 441.44
MDL number: MFCD30721649
Update time: 2023-04-23
PRODUCT Properties
| Melting point: | >170°C (dec.) |
| Density | 1.93±0.1 g/cm3(Predicted) |
| storage temp. | -20°C, Hygroscopic |
| solubility | DMSO (Slightly), Methanol (Slightly, Sonicated) |
| pka | 2.97±0.10(Predicted) |
| form | Solid |
| color | White to Off-White |
| Stability: | Hygroscopic |
Description and Uses
3-Desethenyl-3-methyl Cefixime (Cefixime EP Impurity E) is an impurity of the third generation cephalosporin antibiotic, Cefixime (C242800).

![(6R,7R)-7-[[(2Z)-2-(2-AMino-4-thiazolyl)-2-[(carboxyMethoxy)iMino]acetyl]aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid](https://img.chemicalbook.com/CAS/GIF/72701-01-0.gif)
![[6R-[6α,7β(E)]]-7-[[(2-AMino-4-thiazolyl)[(car](https://img.chemicalbook.com/CAS/GIF/97164-56-2.gif)

![2-[[(Z)-[1-(2-aMino-4-thiazolyl)-2-[[[(2R,5RS)-5-Methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl]Methyl]aMino]-2-oxoethylidene]aMino]oxy]acetic Acid](https://img.chemicalbook.com/CAS/20130318/GIF/CB82610694.gif)

