Tenoxicam D4

About Tenoxicam D4

Tenoxicam D4 is a stable isotope labelled analogue related to Tenoxicam carrying the CAS registry number 1329834-60-7. With the molecular formula C13H11N3O4S2, it has a molar mass of 341.4 g/mol. Its systematic (IUPAC) name is 4-hydroxy-2-methyl-1,1-dioxo-N-(3,4,5,6-tetradeuterio-2-pyridinyl)thieno[2,3-e]thiazine-3-carboxamide.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation of Tenoxicam and related analytes in bioanalytical, pharmacokinetic and impurity studies. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Tenoxicam

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

Tenoxicam impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Tenoxicam D4
Catalogue No.	VQ-042432
CAS Number	1329834-60-7
IUPAC name	4-hydroxy-2-methyl-1,1-dioxo-N-(3,4,5,6-tetradeuterio-2-pyridinyl)thieno[2,3-e]thiazine-3-carboxamide
Molecular formula	C₁₃H₁₁N₃O₄S₂
Molecular weight	341.4 g/mol
Exact mass	341.0442
Grade	Reference Standard
HSN code	38229090
InChIKey	LZNWYQJJBLGYLT-UCSNGBFQSA-N
SMILES	[2H]C1=C(C(=NC(=C1[2H])NC(=O)C2=C(C3=C(C=CS3)S(=O)(=O)N2C)O)[2H])[2H]
PubChem CID	71752364

Physical properties
Physical form	Solid
LogP (XLogP3)	1.1
H-bond donors / acceptors	2 / 7
TPSA	136 Å²

Safety & hazard information (GHS)

Toxic

Health hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements: P203, P260, P264, P270, P280, P301 + P316, P308 + P316, P318, P319, P321, 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 Tenoxicam D4?

The CAS Registry Number of Tenoxicam D4 is 1329834-60-7.

What is the molecular formula and molecular weight of Tenoxicam D4?

Tenoxicam D4 has the molecular formula C13H11N3O4S2 and a molecular weight of 341.4 g/mol. Its IUPAC name is 4-hydroxy-2-methyl-1,1-dioxo-N-(3,4,5,6-tetradeuterio-2-pyridinyl)thieno[2,3-e]thiazine-3-carboxamide.

What is Tenoxicam D4 used for?

Tenoxicam D4 is supplied as a characterised reference material related to Tenoxicam. 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 Tenoxicam D4 can I order?

We supply Tenoxicam D4 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 Tenoxicam D4?

Yes. Every lot of Tenoxicam D4 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 Tenoxicam D4 be shipped internationally?

Yes. Tenoxicam D4 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.