Kynurenic acid-d5

Name: Kynurenic acid-d5
Brand: Vaqora Chemicals
SKU: VQ-037827

About Kynurenic acid-d5

Kynurenic acid-d5 is a stable isotope labelled analogue related to Kynurenic acid carrying the CAS registry number 350820-13-2. Its molecular formula is C10H7NO3 and its molecular weight is 194.2 g/mol. Its systematic (IUPAC) name is 3,5,6,7,8-pentadeuterio-4-hydroxyquinoline-2-carboxylic acid. Common synonyms include Kynurenic-3,5,6,7,8-D5 Acid and Kynurenic-d5 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.

Its mass shift relative to the unlabelled analyte makes it a dependable internal standard for LC-MS/MS assays, improving accuracy in bioanalysis, therapeutic drug monitoring and method validation. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Kynurenic acid-d5 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 Kynurenic acid

View every impurity, metabolite and intermediate we list for Kynurenic acid.

Kynurenic acid impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Kynurenic acid-d5
Catalogue No.	VQ-037827
CAS Number	350820-13-2
IUPAC name	3,5,6,7,8-pentadeuterio-4-hydroxyquinoline-2-carboxylic acid
Molecular formula	C₁₀H₇NO₃
Molecular weight	194.2 g/mol
Exact mass	194.074
Grade	Reference Standard
HSN code	38229090
InChIKey	HCZHHEIFKROPDY-RALIUCGRSA-N
SMILES	[2H]C1=C(C(=C2C(=C1[2H])C(=C(C(=N2)C(=O)O)[2H])O)[2H])[2H]
PubChem CID	136242412

Physical properties
Physical form	Solid
LogP (XLogP3)	1.7
H-bond donors / acceptors	2 / 4
TPSA	70.4 Å²
Synonyms	Kynurenic-3,5,6,7,8-D5 Acid, 4-Oxo(3,5,6,7,8-~2~H_5_)-1,4-dihydroquinoline-2-carboxylic acid, Kynurenic-d5 Acid, TMID-0171, 4-hydroxyquinoline-2-carboxylic-3,5,6,7,8-d5 acid

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 Kynurenic acid-d5?

The CAS Registry Number of Kynurenic acid-d5 is 350820-13-2. It is also known as Kynurenic-3,5,6,7,8-D5 Acid, 4-Oxo(3,5,6,7,8-~2~H_5_)-1,4-dihydroquinoline-2-carboxylic acid, Kynurenic-d5 Acid.

What is the molecular formula and molecular weight of Kynurenic acid-d5?

Kynurenic acid-d5 has the molecular formula C10H7NO3 and a molecular weight of 194.2 g/mol. Its IUPAC name is 3,5,6,7,8-pentadeuterio-4-hydroxyquinoline-2-carboxylic acid.

What is Kynurenic acid-d5 used for?

Kynurenic acid-d5 is supplied as a characterised reference material related to Kynurenic acid. 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 Kynurenic acid-d5 can I order?

We supply Kynurenic acid-d5 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 Kynurenic acid-d5?

Yes. Every lot of Kynurenic acid-d5 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 Kynurenic acid-d5 be shipped internationally?

Yes. Kynurenic acid-d5 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.