Glipizide EP Impurity A (Freebase)

Name: Glipizide EP Impurity A (Freebase)
Brand: Vaqora Chemicals
SKU: VQ-006418

About Glipizide EP Impurity A (Freebase)

Listed under CAS 33288-71-0, Glipizide EP Impurity A (Freebase) is a pharmacopeial impurity of Glipizide available from Vaqora Chemicals. The compound has the formula C14H16N4O3S, corresponding to a molecular weight of 320.37 g/mol. Systematically, it is named 5-methyl-N-[2-(4-sulfamoylphenyl)ethyl]pyrazine-2-carboxamide. Alternative names: Glipizide Related Compound A (USP) and Glipizide EP Impurity A.

The product is provided 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 “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of Glipizide, 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.

Vaqora Chemicals supplies Glipizide EP Impurity A (Freebase) 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

Related to Glipizide

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

Glipizide impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Glipizide EP Impurity A (Freebase)
Catalogue No.	VQ-006418
CAS Number	33288-71-0
IUPAC name	5-methyl-N-[2-(4-sulfamoylphenyl)ethyl]pyrazine-2-carboxamide
Molecular formula	C₁₄H₁₆N₄O₃S
Molecular weight	320.37 g/mol
Exact mass	320.0943
Grade	Reference Standard
HSN code	38229090
InChIKey	IMEZLHZLIANIAS-UHFFFAOYSA-N
SMILES	CC1=CN=C(C=N1)C(=O)NCCC2=CC=C(C=C2)S(=O)(=O)N
PubChem CID	9883549

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.5
H-bond donors / acceptors	2 / 6
TPSA	123 Å²
Synonyms	4-[2-(5-Methylpyrazinyl-2-carboxamido)ethyl]benzenesulfonamide, 4-[2-(5-Methylpyrazine-2-carboxamido)ethyl]benzenesulfonamide, N-[2-[4-(Aminosulfonyl)phenyl]ethyl]-5-methyl-2-pyrazinecarboxamide, 4-[beta-(5-Methylpyrazinyl-2-carboxamido)ethyl]benzene Sulfonamide, Glipizide Related Compound A (USP), 5-Methyl-N-(2-(4-sulfamoylphenyl)ethyl)pyrazine-2-carboxamide, 5-Methyl-N-(4-sulfamoylphenethyl)pyrazine-2-carboxamide, Glipizide EP Impurity A, 2-[4-Aminosulfonyl-phenyl]-ethyl-5-methylpyrazinecarboxamide, [2-(4-Sulphamoylphenyl) ethyl] 5-methyl-pyrazine-2-carboxamide, 5-Methyl-N-(4-sulfamoylphenethyl)-pyrazine-2-carboxamide, 4-[b-(5-Methylpyrazinyl-2-carboxamido)ethyl]benzene Sulfonamide

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H341Suspected of causing genetic defects

Precautionary statements: P203, P264, P270, P280, P301 + P317, P318, P330, 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 Glipizide EP Impurity A (Freebase)?

The CAS Registry Number of Glipizide EP Impurity A (Freebase) is 33288-71-0. It is also known as 4-[2-(5-Methylpyrazinyl-2-carboxamido)ethyl]benzenesulfonamide, 4-[2-(5-Methylpyrazine-2-carboxamido)ethyl]benzenesulfonamide, N-[2-[4-(Aminosulfonyl)phenyl]ethyl]-5-methyl-2-pyrazinecarboxamide.

What is the molecular formula and molecular weight of Glipizide EP Impurity A (Freebase)?

Glipizide EP Impurity A (Freebase) has the molecular formula C14H16N4O3S and a molecular weight of 320.37 g/mol. Its IUPAC name is 5-methyl-N-[2-(4-sulfamoylphenyl)ethyl]pyrazine-2-carboxamide.

What is Glipizide EP Impurity A (Freebase) used for?

Glipizide EP Impurity A (Freebase) is supplied as a characterised reference material related to Glipizide. 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 Glipizide EP Impurity A (Freebase) can I order?

We supply Glipizide EP Impurity A (Freebase) 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 Glipizide EP Impurity A (Freebase)?

Yes. Every lot of Glipizide EP Impurity A (Freebase) 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 Glipizide EP Impurity A (Freebase) be shipped internationally?

Yes. Glipizide EP Impurity A (Freebase) 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.