Cefradine

Name: Cefradine
Brand: Vaqora Chemicals
SKU: VQ-022100

About Cefradine

Cefradine (CAS 38821-53-3) is an impurity of Ampicillin offered by Vaqora Chemicals. With the molecular formula C16H19N3O4S, it has a molar mass of 349.4 g/mol. Alternative names: Cephradine and Cefradine (Mixture of Isomers).

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Ampicillin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Cefradine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Ampicillin

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

Ampicillin impurities

Specifications & identifiers

Chemical identifiers
Product name	Cefradine
Catalogue No.	VQ-022100
CAS Number	38821-53-3
IUPAC name	(6R,7R)-7-[[(2R)-2-amino-2-cyclohexa-1,4-dien-1-ylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formula	C₁₆H₁₉N₃O₄S
Molecular weight	349.4 g/mol
Exact mass	349.1096
Grade	Reference Standard
HSN code	38229090
InChIKey	RDLPVSKMFDYCOR-UEKVPHQBSA-N
SMILES	CC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)[C@@H](C3=CCC=CC3)N)SC1)C(=O)O
PubChem CID	38103

Physical properties
Physical form	Solid
LogP (XLogP3)	0.4
H-bond donors / acceptors	3 / 6
TPSA	138 Å²
Synonyms	Cephradine, Cefradine (Mixture of Isomers), Cephradin, Cephradine anhydrous, 7-(D-2-Amino-2-(1,4-cyclohexadienyl)acetamide)desacetoxycephalosporanicacid, Cephradine hydrate, Dihydrate, Cephradine, Non-Stoichiometric Hydrate Cephradine, Cephradine, Non Stoichiometric Hydrate, Cefradin, Cekodin, Megace f

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation

Precautionary statements: P233, P260, P261, P264, P264 + P265, P271, P272, P280, P284, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P333 + P317, P337 + P317, P342 + P316, P362 + P364, P403, P403 + P233, P405, 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 Cefradine?

The CAS Registry Number of Cefradine is 38821-53-3. It is also known as Cephradine, Cefradine (Mixture of Isomers), Cephradin.

What is the molecular formula and molecular weight of Cefradine?

Cefradine has the molecular formula C16H19N3O4S and a molecular weight of 349.4 g/mol. Its IUPAC name is (6R,7R)-7-[[(2R)-2-amino-2-cyclohexa-1,4-dien-1-ylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

What is Cefradine used for?

Cefradine is supplied as a characterised reference material related to Ampicillin. 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 Cefradine can I order?

We supply Cefradine 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 Cefradine?

Yes. Every lot of Cefradine 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 Cefradine be shipped internationally?

Yes. Cefradine 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.