2-Quinoxalinecarboxylic Acid-d4 (Major)

Name: 2-Quinoxalinecarboxylic Acid-d4 (Major)
Brand: Vaqora Chemicals
SKU: VQ-036138

About 2-Quinoxalinecarboxylic Acid-d4 (Major)

Vaqora Chemicals supplies 2-Quinoxalinecarboxylic Acid-d4 (Major), a stable isotope labelled analogue related to Carbadox registered under CAS number 2244217-89-6. Its molecular formula is C9H6N2O2 and its molecular weight is 178.18 g/mol. Its systematic (IUPAC) name is 5,6,7,8-tetradeuterioquinoxaline-2-carboxylic acid. Common synonyms include 2-Quinoxalinecarboxylic Acid-D4 and 2-Quinoxalinecarboxylic acid D4 (5,6,7,8 D4).

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 3 hazard statements. Review the Safety Data Sheet before use.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation of Carbadox and related analytes in bioanalytical, pharmacokinetic and impurity studies. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 2-Quinoxalinecarboxylic Acid-d4 (Major) is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Carbadox

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

Carbadox impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	2-Quinoxalinecarboxylic Acid-d4 (Major)
Catalogue No.	VQ-036138
CAS Number	2244217-89-6
IUPAC name	5,6,7,8-tetradeuterioquinoxaline-2-carboxylic acid
Molecular formula	C₉H₆N₂O₂
Molecular weight	178.18 g/mol
Exact mass	178.068
Grade	Reference Standard
HSN code	38229090
InChIKey	UPUZGXILYFKSGE-RHQRLBAQSA-N
SMILES	[2H]C1=C(C(=C2C(=C1[2H])N=CC(=N2)C(=O)O)[2H])[2H]
PubChem CID	12332262

Physical properties
Physical form	Solid
LogP (XLogP3)	1.6
H-bond donors / acceptors	1 / 4
TPSA	63.1 Å²
Synonyms	2-Quinoxalinecarboxylic Acid-D4, 2-Quinoxalinecarboxylic acid D4 (5,6,7,8 D4), TMID-0054, Quinoxaline-2-carboxylic Acid-d4, 2-Quinoxalinecarboxylic Acid-D4 (Qca-D4)

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

Frequently asked questions

What is the CAS number of 2-Quinoxalinecarboxylic Acid-d4 (Major)?

The CAS Registry Number of 2-Quinoxalinecarboxylic Acid-d4 (Major) is 2244217-89-6. It is also known as 2-Quinoxalinecarboxylic Acid-D4, 2-Quinoxalinecarboxylic acid D4 (5,6,7,8 D4), TMID-0054.

What is the molecular formula and molecular weight of 2-Quinoxalinecarboxylic Acid-d4 (Major)?

2-Quinoxalinecarboxylic Acid-d4 (Major) has the molecular formula C9H6N2O2 and a molecular weight of 178.18 g/mol. Its IUPAC name is 5,6,7,8-tetradeuterioquinoxaline-2-carboxylic acid.

What is 2-Quinoxalinecarboxylic Acid-d4 (Major) used for?

2-Quinoxalinecarboxylic Acid-d4 (Major) is supplied as a characterised reference material related to Carbadox. 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 2-Quinoxalinecarboxylic Acid-d4 (Major) can I order?

We supply 2-Quinoxalinecarboxylic Acid-d4 (Major) 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 2-Quinoxalinecarboxylic Acid-d4 (Major)?

Yes. Every lot of 2-Quinoxalinecarboxylic Acid-d4 (Major) 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 2-Quinoxalinecarboxylic Acid-d4 (Major) be shipped internationally?

Yes. 2-Quinoxalinecarboxylic Acid-d4 (Major) 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.