Cefalonium

Name: Cefalonium
Brand: Vaqora Chemicals
SKU: VQ-029677

About Cefalonium

Listed under CAS 5575-21-3, Cefalonium is a high-purity reference standard of Cefalonium available from Vaqora Chemicals. Its molecular formula is C20H18N4O5S2 and its molecular weight is 458.5 g/mol. It is also known as Cephalonium or Lilly 41071.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

As a reference sample of Cefalonium, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Cefalonium

View every impurity, metabolite and intermediate we list for Cefalonium.

Cefalonium impurities

Specifications & identifiers

Chemical identifiers
Product name	Cefalonium
Catalogue No.	VQ-029677
CAS Number	5575-21-3
IUPAC name	(6R,7R)-3-[(4-carbamoylpyridin-1-ium-1-yl)methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Molecular formula	C₂₀H₁₈N₄O₅S₂
Molecular weight	458.5 g/mol
Exact mass	458.0719
Grade	Reference Standard
HSN code	38229090
InChIKey	FMZXNVLFJHCSAF-DNVCBOLYSA-N
SMILES	C1C(=C(N2[C@H](S1)[C@@H](C2=O)NC(=O)CC3=CC=CS3)C(=O)[O-])C[N+]4=CC=C(C=C4)C(=O)N
PubChem CID	21743

Physical properties
Physical form	Solid
LogP (XLogP3)	0.7
H-bond donors / acceptors	2 / 7
TPSA	190 Å²
Synonyms	Cephalonium, Lilly 41071, 7-(alpha-Thienylacetamido)-3-(4-carbamoylpyridinomethyl)-3-cephem-4-carboxylic acid, Cepravin dry cow, Cefalonium hydrate, 5575-21-3 (Anhydrous), Cephalonium hydrate, Cefalonium (BAN), Cepravin (veterinary)

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H400Very toxic to aquatic life
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P233, P260, P261, P271, P272, P273, P280, P284, P302 + P352, P304 + P340, P321, P333 + P317, P342 + P316, P362 + P364, P391, P403, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Cefalonium?

The CAS Registry Number of Cefalonium is 5575-21-3. It is also known as Cephalonium, Lilly 41071, 7-(alpha-Thienylacetamido)-3-(4-carbamoylpyridinomethyl)-3-cephem-4-carboxylic acid.

What is the molecular formula and molecular weight of Cefalonium?

Cefalonium has the molecular formula C20H18N4O5S2 and a molecular weight of 458.5 g/mol. Its IUPAC name is (6R,7R)-3-[(4-carbamoylpyridin-1-ium-1-yl)methyl]-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate.

What is Cefalonium used for?

Cefalonium is supplied as a characterised reference material related to Cefalonium. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Cefalonium can I order?

We supply Cefalonium in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Cefalonium?

Yes. Every lot of Cefalonium is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Cefalonium be shipped internationally?

Yes. Cefalonium is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.