Zonisamide-d4

Name: Zonisamide-d4
Brand: Vaqora Chemicals
SKU: VQ-043018

About Zonisamide-d4

Zonisamide-d4 is a stable isotope labelled standard carrying the CAS registry number 1020720-04-0. Formula C8H8N2O3S, molecular weight 216.25 g/mol. The IUPAC name is (4,5,6,7-tetradeuterio-1,2-benzoxazol-3-yl)methanesulfonamide. It is also known as TMID-0299 or (benzo[d]isoxazol-3-yl-d4)methanesulfonamide.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, 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 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

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Zonisamide-d4
Catalogue No.	VQ-043018
CAS Number	1020720-04-0
IUPAC name	(4,5,6,7-tetradeuterio-1,2-benzoxazol-3-yl)methanesulfonamide
Molecular formula	C₈H₈N₂O₃S
Molecular weight	216.25 g/mol
Exact mass	216.0507
Grade	Reference Standard
HSN code	38229090
InChIKey	UBQNRHZMVUUOMG-RHQRLBAQSA-N
SMILES	[2H]C1=C(C(=C2C(=C1[2H])C(=NO2)CS(=O)(=O)N)[2H])[2H]
PubChem CID	45040707

Physical properties
Physical form	Solid
LogP (XLogP3)	0.2
H-bond donors / acceptors	1 / 5
TPSA	94.6 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 Zonisamide-d4?

The CAS Registry Number of Zonisamide-d4 is 1020720-04-0. It is also known as 1,2-Benzisoxazole-4,5,6,7-d4-3-methanesulfonamide, TMID-0299, (benzo[d]isoxazol-3-yl-d4)methanesulfonamide.

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

Zonisamide-d4 has the molecular formula C8H8N2O3S and a molecular weight of 216.25 g/mol. Its IUPAC name is (4,5,6,7-tetradeuterio-1,2-benzoxazol-3-yl)methanesulfonamide.

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

We supply Zonisamide-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 Zonisamide-d4?

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

Yes. Zonisamide-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.