Pharmacopeial Impurities (EP / USP / BP)

Cefotaxime EP Impurity C

Name: Cefotaxime EP Impurity C
Brand: Zemixal
SKU: ZX-021123

Reference StandardAvailable on request

Order Cefotaxime EP Impurity C (CAS 66403-32-5) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-021123.

Pack sizes

Cefotaxime EP Impurity C chemical structure

CAS number66403-32-5

FormulaC₁₇H₁₇N₅O₈S₂

Molar mass483.5 g/mol

Physical formSolid

HS code38229090

InChIKeyQUSLXJHSQSHRFM-QVJRADPESA-N

IUPAC name(6R,7R)-3-(acetyloxymethyl)-7-[[(2Z)-2-(2-formamido-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

About Cefotaxime EP Impurity C

Zemixal lists Cefotaxime EP Impurity C for laboratories that identify, quantify or control Cefotaxime and its related substances. Identity at a glance (Reference Standard): CAS 66403-32-5, formula C17H17N5O8S2 and molar mass 483.5 g/mol. It is handled as a solid.

Common uses in the lab and plant

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Cefotaxime

See every impurity, metabolite and related compound we list for this API.

Cefotaxime standards

Typical uses

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Cefotaxime EP Impurity C
Product name	Cefotaxime EP Impurity C
Catalogue number	ZX-021123
CAS number	66403-32-5
IUPAC name	(6R,7R)-3-(acetyloxymethyl)-7-[[(2Z)-2-(2-formamido-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formula	C₁₇H₁₇N₅O₈S₂
Molar mass	483.5 g/mol
Exact mass	483.0519
Grade	Reference Standard
Physical form	Solid
XLogP3	-1.5
H-bond donors / acceptors	3 / 12
Topological polar surface area	230 Å²
HS code	38229090
InChIKey	QUSLXJHSQSHRFM-QVJRADPESA-N
SMILES	CC(=O)OCC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)/C(=N\OC)/C3=CSC(=N3)NC=O)SC1)C(=O)O
PubChem CID	6455314
Synonyms	Cefotaxime Sodium EP Impurity C, N-Formyl Cefotaxime, Cefotaxime Sodium - Impurity C

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Cefotaxime EP Impurity C
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Cefotaxime EP Impurity C

Which CAS number identifies Cefotaxime EP Impurity C?

Cefotaxime EP Impurity C is registered under CAS 66403-32-5. You may also see it listed as Cefotaxime Sodium EP Impurity C, N-Formyl Cefotaxime, Cefotaxime Sodium - Impurity C. Our catalogue number for this item is ZX-021123.

What are the formula and molar mass of Cefotaxime EP Impurity C?

For Cefotaxime EP Impurity C, its formula is C17H17N5O8S2 and its molar mass is 483.5 g/mol. The systematic (IUPAC) name is (6R,7R)-3-(acetyloxymethyl)-7-[[(2Z)-2-(2-formamido-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. InChIKey QUSLXJHSQSHRFM-QVJRADPESA-N lets you match it in any structure database.

How is Cefotaxime EP Impurity C used in pharmaceutical QC?

Cefotaxime EP Impurity C is a characterised reference material linked to Cefotaxime. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Cefotaxime EP Impurity C?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Cefotaxime EP Impurity C?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Cefotaxime EP Impurity C to my country?

Yes. Cefotaxime EP Impurity C ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

More Cefotaxime standards

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MW: 478.3 g/mol

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Cefotaxime EP Impurity F

CAS: 175032-97-0
Formula: C₃₀H₃₀N₁₀O₁₂S₄
MW: 850.9 g/mol

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Cefotaxime Acid

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Formula: C₁₆H₁₇N₅O₇S₂
MW: 455.5 g/mol

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Cefotaxime EP Impurity D Sodium Salt

CAS: 65715-12-0
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MW: 477.5 g/mol

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Formula: C₇H₁₀BrNO₄
MW: 252.06 g/mol

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Cefoperazone EP Impurity F

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Formula: C₂₅H₂₇N₉O₈S₂
MW: 645.7 g/mol

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