Sulfathiazole-d4

Name: Sulfathiazole-d4
Brand: Vaqora Chemicals
SKU: VQ-042311

About Sulfathiazole-d4

Sulfathiazole-d4 is a stable isotope labelled analogue related to Sulfathiazole carrying the CAS registry number 1020719-89-4. The compound has the formula C9H9N3O2S2, corresponding to a molecular weight of 259.3 g/mol. Systematically, it is named 4-amino-2,3,5,6-tetradeuterio-N-(1,3-thiazol-2-yl)benzenesulfonamide. It is also known as Sulfathiazole-d4 (benzene-d4) or Sulfathiazole D4 (benzene D4).

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 “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. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Sulfathiazole-d4 in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Sulfathiazole

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

Sulfathiazole impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sulfathiazole-d4
Catalogue No.	VQ-042311
CAS Number	1020719-89-4
IUPAC name	4-amino-2,3,5,6-tetradeuterio-N-(1,3-thiazol-2-yl)benzenesulfonamide
Molecular formula	C₉H₉N₃O₂S₂
Molecular weight	259.3 g/mol
Exact mass	259.0387
Grade	Reference Standard
HSN code	38229090
InChIKey	JNMRHUJNCSQMMB-RHQRLBAQSA-N
SMILES	[2H]C1=C(C(=C(C(=C1N)[2H])[2H])S(=O)(=O)NC2=NC=CS2)[2H]
PubChem CID	45040441

Physical properties
Physical form	Solid
LogP (XLogP3)	0.1
H-bond donors / acceptors	2 / 6
TPSA	122 Å²

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H361Suspected of damaging fertility or the unborn child
H362May cause harm to breast-fed children

Precautionary statements: P203, P260, P261, P263, P264, P264 + P265, P270, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, 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 Sulfathiazole-d4?

The CAS Registry Number of Sulfathiazole-d4 is 1020719-89-4. It is also known as Sulfathiazole-d4 (benzene-d4), Sulfathiazole D4 (benzene D4), 4-amino-2,3,5,6-tetradeuterio-N-thiazol-2-yl-benzenesulfonamide.

What is the molecular formula and molecular weight of Sulfathiazole-d4?

Sulfathiazole-d4 has the molecular formula C9H9N3O2S2 and a molecular weight of 259.3 g/mol. Its IUPAC name is 4-amino-2,3,5,6-tetradeuterio-N-(1,3-thiazol-2-yl)benzenesulfonamide.

What is Sulfathiazole-d4 used for?

Sulfathiazole-d4 is supplied as a characterised reference material related to Sulfathiazole. 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 Sulfathiazole-d4 can I order?

We supply Sulfathiazole-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 Sulfathiazole-d4?

Yes. Every lot of Sulfathiazole-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 Sulfathiazole-d4 be shipped internationally?

Yes. Sulfathiazole-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.