Cefaclor - Impurity C | CAS 143059-69-2

About Cefaclor - Impurity C

Cefaclor - Impurity C is an impurity of Cefaclor carrying the CAS registry number 143059-69-2. The compound has the formula C15H14ClN3O4S, corresponding to a molecular weight of 367.8 g/mol. Alternative names: Cefaclor EP Impurity C and (7S)-Cefaclor.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Cefaclor, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. 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, Cefaclor - Impurity C 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 Cefaclor

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

Cefaclor impurities

Specifications & identifiers

Chemical identifiers
Product name	Cefaclor - Impurity C
Catalogue No.	VQ-022050
CAS Number	143059-69-2
IUPAC name	(6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formula	C₁₅H₁₄ClN₃O₄S
Molecular weight	367.8 g/mol
Exact mass	367.0394
Grade	Reference Standard
HSN code	38229090
InChIKey	QYIYFLOTGYLRGG-GPCCPHFNSA-N
SMILES	C1C(=C(N2[C@H](S1)[C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)C(=O)O)Cl
PubChem CID	51039

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.8
H-bond donors / acceptors	3 / 6
TPSA	138 Å²
Synonyms	Cefaclor EP Impurity C, (7S)-Cefaclor, Cefaclor anhydrous, Ceclor CD, 3-Chloro-7-D-(2-phenylglycinamido)-3-cephem-4-carboxylic acid, Lilly 99638, Bacticlor mr, Distaclor mr, Cefaclor Hydrate, Kefral, L-Kefral

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements: P233, P260, P261, P271, P272, P280, P284, P302 + P352, P304 + P340, P321, P333 + P317, P342 + P316, P362 + P364, 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 Cefaclor - Impurity C?

The CAS Registry Number of Cefaclor - Impurity C is 143059-69-2. It is also known as Cefaclor EP Impurity C, (7S)-Cefaclor, Cefaclor anhydrous.

What is the molecular formula and molecular weight of Cefaclor - Impurity C?

Cefaclor - Impurity C has the molecular formula C15H14ClN3O4S and a molecular weight of 367.8 g/mol. Its IUPAC name is (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

What is Cefaclor - Impurity C used for?

Cefaclor - Impurity C is supplied as a characterised reference material related to Cefaclor. 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 Cefaclor - Impurity C can I order?

We supply Cefaclor - Impurity C 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 Cefaclor - Impurity C?

Yes. Every lot of Cefaclor - Impurity C 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 Cefaclor - Impurity C be shipped internationally?

Yes. Cefaclor - Impurity C 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.