Cefradine

Name: Cefradine
Brand: Zemixal
SKU: ZX-021133

Reference StandardAvailable on request

Order Cefradine (CAS 38821-53-3) online at Zemixal. Request a quote with price, lead time and documents. Part of our API Impurities range.

Pack sizes

CAS number38821-53-3

FormulaC₁₆H₁₉N₃O₄S

Molar mass349.4 g/mol

Physical formSolid

HS code38229090

InChIKeyRDLPVSKMFDYCOR-UEKVPHQBSA-N

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

About Cefradine

Zemixal lists Cefradine for laboratories that identify, quantify or control Ampicillin and its related substances. For your records (Reference Standard), the material is defined by CAS 38821-53-3, formula C16H19N3O4S and molar mass 349.4 g/mol. It is handled as a solid.

Where it is used

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

Storage and safety notes

Hazard communication follows GHS (Danger: H315, H317, H319 and H334). Our SDS lists exposure controls and first-aid measures.

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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Ampicillin

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

Ampicillin standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Cefradine
Product name	Cefradine
Catalogue number	ZX-021133
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
Molar mass	349.4 g/mol
Exact mass	349.1096
Grade	Reference Standard
Physical form	Solid
XLogP3	0.4
H-bond donors / acceptors	3 / 6
Topological polar surface area	138 Å²
HS 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
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

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

Safety and GHS hazards

Irritant or harmful

Health hazard

Signal word Danger

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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Cefradine
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 Cefradine

Which CAS number identifies Cefradine?

Cefradine is registered under CAS 38821-53-3. You may also see it listed as Cephradine, Cefradine (Mixture of Isomers), Cephradin. Our catalogue number for this item is ZX-021133.

What are the formula and molar mass of Cefradine?

For Cefradine, its formula is C16H19N3O4S and its molar mass is 349.4 g/mol. The systematic (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. InChIKey RDLPVSKMFDYCOR-UEKVPHQBSA-N lets you match it in any structure database.

How is Cefradine used in pharmaceutical QC?

Cefradine is a characterised reference material linked to Ampicillin. 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 Cefradine?

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 Cefradine?

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 Cefradine to my country?

Yes. Because Cefradine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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