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Cefixime EP impurity E

Also known as (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-Desethenyl-3-methyl Cefixime (Cefixime EP Impurity E), Cefixime Impurity E

CAS 72701-01-0Formula C15H15N5O7S2Molar mass 441.45 g/mol
Cefixime EP impurity E chemical structure, C15H15N5O7S2, CAS 72701-01-0
2D chemical structure

Key facts

What buyers check first

CAS number
72701-01-0
Formula
C15H15N5O7S2
Molar mass
441.45 g/mol
HS code
294190
Category
Impurities and reference standards

What is Cefixime EP impurity E?

Plain description, key identifiers and synonyms

Cefixime EP impurity E is a chemical substance with the molecular formula C15H15N5O7S2 and a molar mass of 441.45 g/mol. Its CAS registry number is 72701-01-0. The IUPAC name is (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS number
72701-01-0 CAS number cross-checked
Molecular formula
C15H15N5O7S2
InChIKey
ZDMZWMRTKADQNC-HBWVYFAYSA-N
InChI
InChI=1S/C15H15N5O7S2/c1-5-3-28-13-9(12(24)20(13)10(5)14(25)26)18-11(23)8(19-27-2-7(21)22)6-4-29-15(16)17-6/h4,9,13H,2-3H2,1H3,(H2,16,17)(H,18,23)(H,21,22)(H,25,26)/b19-8-/t9-,13-/m1/s1
Canonical SMILES
CC1=C(C(=O)O)N2C(=O)C(NC(=O)C(=NOCC(=O)O)c3csc(N)n3)C2SC1
Isomeric SMILES
CC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)/C(=N\OCC(=O)O)/C3=CSC(=N3)N)SC1)C(=O)O

Synonyms

  • (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
  • 3-Desethenyl-3-methyl Cefixime (Cefixime EP Impurity E)
  • Cefixime Impurity E
  • (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
  • (6R,7R)-7-({(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[(carboxymethoxy)imino]acetyl}amino)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
  • (6R,7R)-7-[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(carboxymethoxy)imino]acetamido]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
441.45 g/molcalc.
Exact mass
441.0413 Dacalc.
LogP (octanol/water)
-0.71calc.
Topological polar surface area
184.5 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
10calc.
Rotatable bonds
7calc.
Heavy atoms
29calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, N=C(C(=O)NC1C(=O)N2C=CCSC12)c1cscn1

N=C(C(=O)NC1C(=O)N2C=CCSC12)c1cscn1

3 rings, 19 atoms.

96 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Cefixime EP impurity E suppliers

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Cefixime EP impurity E price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Cefixime EP impurity E is traded under.

HS 2941.90Indicative HS code

Antibiotics, other

World exports in 2024
$6.39B
+2.3% vs 2023, imports $6.97B
2019 to 2024
Top exporters
  1. China39.7%
  2. United States11.3%
  3. Switzerland * partner reported10.9%
Top importers
  1. Italy15.0%
  2. India * partner reported12.0%
  3. China8.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Cefixime EP impurity E is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cefixime EP impurity E, based on the data on this page

What is Cefixime EP impurity E?

Cefixime EP impurity E is a chemical substance with the molecular formula C15H15N5O7S2 and a molar mass of 441.45 g/mol. Its CAS registry number is 72701-01-0.

What is the CAS number of Cefixime EP impurity E?

The CAS registry number of Cefixime EP impurity E is 72701-01-0.

What is the molecular formula and weight of Cefixime EP impurity E?

The molecular formula of Cefixime EP impurity E is C15H15N5O7S2 and its molar mass is 441.45 g/mol.

Is Cefixime EP impurity E hazardous?

No GHS hazard classification for Cefixime EP impurity E is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Cefixime EP impurity E?

Cefixime EP impurity E is usually classified under HS code 294190 (Antibiotics, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cefixime EP impurity E?

Post a free request on CompoundList and suppliers of Cefixime EP impurity E will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Cefixime EP impurity E?

Suppliers quote Cefixime EP impurity E on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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