Cefalexin EP Impurity A

Name: Cefalexin EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-006292

About Cefalexin EP Impurity A

Vaqora Chemicals supplies Cefalexin EP Impurity A, a pharmacopeial impurity of Cefalexin registered under CAS number 875-74-1. With the molecular formula C8H9NO2, it has a molar mass of 151.16 g/mol. Systematically, it is named (2R)-2-amino-2-phenylacetic acid. Common synonyms include D-(-)-alpha-Phenylglycine and (αR)-α-Aminobenzeneacetic acid.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Cefalexin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Cefalexin EP Impurity A in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Cefalexin

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

Cefalexin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cefalexin EP Impurity A
Catalogue No.	VQ-006292
CAS Number	875-74-1
IUPAC name	(2R)-2-amino-2-phenylacetic acid
Molecular formula	C₈H₉NO₂
Molecular weight	151.16 g/mol
Exact mass	151.0633
Grade	Reference Standard
HSN code	38229090
InChIKey	ZGUNAGUHMKGQNY-SSDOTTSWSA-N
SMILES	C1=CC=C(C=C1)[C@H](C(=O)O)N
PubChem CID	70134

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.7
H-bond donors / acceptors	2 / 3
TPSA	63.3 Å²
Synonyms	D-(-)-alpha-Phenylglycine, (αR)-α-Aminobenzeneacetic acid, D-(-)-2-Phenylglycine, (-)-(R)-Phenylglycine, (-)-Phenylglycine, (2R)-Amino-2-phenylethanoic Acid, (R)-(-)-2-Phenylglycine, (R)-2-Amino-2-phenylacetic Acid, (R)-2-Amino-2-phenylethanoic Acid, (R)-2-Phenyl-2-aminoethanoic Acid, (R)-2-Phenylglycine, (R)-Phenylglycine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, 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

Other grades of CAS 875-74-1

D-Phenylglycine, 99%

CAS: 875-74-1
Formula: C₈H₉NO₂
MW: 151.16 g/mol

VQ-002374

Frequently asked questions

What is the CAS number of Cefalexin EP Impurity A?

The CAS Registry Number of Cefalexin EP Impurity A is 875-74-1. It is also known as D-(-)-alpha-Phenylglycine, (αR)-α-Aminobenzeneacetic acid, D-(-)-2-Phenylglycine.

What is the molecular formula and molecular weight of Cefalexin EP Impurity A?

Cefalexin EP Impurity A has the molecular formula C8H9NO2 and a molecular weight of 151.16 g/mol. Its IUPAC name is (2R)-2-amino-2-phenylacetic acid.

What is Cefalexin EP Impurity A used for?

Cefalexin EP Impurity A is supplied as a characterised reference material related to Cefalexin. 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 Cefalexin EP Impurity A can I order?

We supply Cefalexin EP Impurity A in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Cefalexin EP Impurity A?

Yes. Every lot of Cefalexin EP Impurity A 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 Cefalexin EP Impurity A be shipped internationally?

Yes. Cefalexin EP Impurity A 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.