Cefradine EP Impurity B

Name: Cefradine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-023351

About Cefradine EP Impurity B

Vaqora Chemicals supplies Cefradine EP Impurity B, a pharmacopeial impurity standard registered under CAS number 26774-88-9. Formula C8H11NO2, molecular weight 153.18 g/mol. Its systematic (IUPAC) name is (2R)-2-amino-2-cyclohexa-1,4-dien-1-ylacetic acid. Common synonyms include (R)-(-)-2-(2,5-Dihydrophenyl)glycine and R-(-)-2-(2,5-dihydro phenyl) Glycine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of the parent drug substance, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Cefradine EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cefradine EP Impurity B
Catalogue No.	VQ-023351
CAS Number	26774-88-9
IUPAC name	(2R)-2-amino-2-cyclohexa-1,4-dien-1-ylacetic acid
Molecular formula	C₈H₁₁NO₂
Molecular weight	153.18 g/mol
Exact mass	153.079
Grade	Reference Standard
HSN code	38229090
InChIKey	JBJJTCGQCRGNOL-SSDOTTSWSA-N
SMILES	C1C=CCC(=C1)[C@H](C(=O)O)N
PubChem CID	1268102

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.9
H-bond donors / acceptors	2 / 3
TPSA	63.3 Å²
Synonyms	(R)-(-)-2-(2,5-Dihydrophenyl)glycine, R-(-)-2-(2,5-dihydro phenyl) Glycine, (alphaR)-alpha-Amino-1,4-cyclohexadiene-1-acetic acid, (R)-2-Amino-2-(cyclohexa-1,4-dien-1-yl)acetic acid, 2,5-Dihydrophenylglycine, D-, D-(-)-2-(2,5-Dihydrophenyl)glycine, D-2,5-dihydrophenylglycine, (2R)-2-amino-2-(cyclohexa-1,4-dien-1-yl)acetic acid, (R)-alpha-Amino-1,4-cyclohexadiene-1-acetic acid, 1,4-Cyclohexadiene-1-acetic acid, alpha-amino-, (alphaR)-, (R)-(-)-2-Amino-2-(cyclohexa-1,4-dienyl)acetic Acid, (2R)-2-amino-2-cyclohexa-1,4-dienylacetic acid

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 EP Impurity B?

The CAS Registry Number of Cefradine EP Impurity B is 26774-88-9. It is also known as (R)-(-)-2-(2,5-Dihydrophenyl)glycine, R-(-)-2-(2,5-dihydro phenyl) Glycine, (alphaR)-alpha-Amino-1,4-cyclohexadiene-1-acetic acid.

What is the molecular formula and molecular weight of Cefradine EP Impurity B?

Cefradine EP Impurity B has the molecular formula C8H11NO2 and a molecular weight of 153.18 g/mol. Its IUPAC name is (2R)-2-amino-2-cyclohexa-1,4-dien-1-ylacetic acid.

Which grade and pack sizes of Cefradine EP Impurity B can I order?

We supply Cefradine EP Impurity B 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 EP Impurity B?

Yes. Every lot of Cefradine EP Impurity B 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 EP Impurity B be shipped internationally?

Yes. We export Cefradine EP Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.