Sulfapyridine-d4

Name: Sulfapyridine-d4
Brand: Vaqora Chemicals
SKU: VQ-042308

About Sulfapyridine-d4

Sulfapyridine-d4 (CAS 1189863-86-2) is a stable isotope labelled standard offered by Vaqora Chemicals. The compound has the formula C11H11N3O2S, corresponding to a molecular weight of 253.32 g/mol. Its systematic (IUPAC) name is 4-amino-2,3,5,6-tetradeuterio-N-pyridin-2-ylbenzenesulfonamide. It is also known as Sulfapyridine-d4 (Benzene-2,3,5,6-d4).

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation in bioanalytical, pharmacokinetic and impurity studies. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sulfapyridine-d4
Catalogue No.	VQ-042308
CAS Number	1189863-86-2
IUPAC name	4-amino-2,3,5,6-tetradeuterio-N-pyridin-2-ylbenzenesulfonamide
Molecular formula	C₁₁H₁₁N₃O₂S
Molecular weight	253.32 g/mol
Exact mass	253.0823
Grade	Reference Standard
HSN code	38229090
InChIKey	GECHUMIMRBOMGK-UGWFXTGHSA-N
SMILES	[2H]C1=C(C(=C(C(=C1N)[2H])[2H])S(=O)(=O)NC2=CC=CC=N2)[2H]
PubChem CID	46782961

Physical properties
Physical form	Solid
H-bond donors / acceptors	2 / 5
TPSA	93.5 Å²

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 Sulfapyridine-d4?

The CAS Registry Number of Sulfapyridine-d4 is 1189863-86-2. It is also known as Sulfapyridine-d4 (Benzene-2,3,5,6-d4), 4-Amino-N-(pyridin-2-yl)(~2~H_4_)benzene-1-sulfonamide, 4-amino-2,3,5,6-tetradeuterio-N-(2-pyridyl)benzenesulfonamide.

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

Sulfapyridine-d4 has the molecular formula C11H11N3O2S and a molecular weight of 253.32 g/mol. Its IUPAC name is 4-amino-2,3,5,6-tetradeuterio-N-pyridin-2-ylbenzenesulfonamide.

Which grade and pack sizes of Sulfapyridine-d4 can I order?

We supply Sulfapyridine-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 Sulfapyridine-d4?

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

Yes. We export Sulfapyridine-d4 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.