Zonisamide

Name: Zonisamide
Brand: Vaqora Chemicals
SKU: VQ-028794

About Zonisamide

Zonisamide (CAS 68291-97-4) is an API reference standard offered by Vaqora Chemicals. With the molecular formula C8H8N2O3S, it has a molar mass of 212.23 g/mol. The IUPAC name is 1,2-benzoxazol-3-ylmethanesulfonamide. Alternative names: 1,2-Benzisoxazole-3-methanesulfonamide and AD-810.

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. It carries the GHS signal word “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

As a reference sample of the parent drug substance, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. It is used across 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

Identification & assay
Method development & validation
QC reference material

Industries

Specifications & identifiers

Chemical identifiers
Product name	Zonisamide
Catalogue No.	VQ-028794
CAS Number	68291-97-4
IUPAC name	1,2-benzoxazol-3-ylmethanesulfonamide
Molecular formula	C₈H₈N₂O₃S
Molecular weight	212.23 g/mol
Exact mass	212.0256
Grade	Reference Standard
HSN code	38229090
InChIKey	UBQNRHZMVUUOMG-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(=NO2)CS(=O)(=O)N
PubChem CID	5734

Physical properties
Physical form	Solid
LogP (XLogP3)	0.2
H-bond donors / acceptors	1 / 5
TPSA	94.6 Å²
Synonyms	1,2-Benzisoxazole-3-methanesulfonamide, AD-810, CI-912, 3-(Sulfamoylmethyl)-1,2-benzisoxazole, Benzo[d]isoxazol-3-yl-methanesulfonamide, 1,2-Benzisoxazol-3-ylmethanesulfonamide, Benzo(d)isoxazol-3-yl-methanesulfonamide, benzo[d]isoxazol-3-ylmethanesulfonamide, 1-(1,2-Benzoxazol-3-Yl)methanesulfonamide, 1-(1,2-benzisoxazol-3-yl)methanesulfonamide, AD 810

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P264, P270, P280, P301 + P317, P318, 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 Zonisamide?

The CAS Registry Number of Zonisamide is 68291-97-4. It is also known as 1,2-Benzisoxazole-3-methanesulfonamide, AD-810, CI-912.

What is the molecular formula and molecular weight of Zonisamide?

Zonisamide has the molecular formula C8H8N2O3S and a molecular weight of 212.23 g/mol. Its IUPAC name is 1,2-benzoxazol-3-ylmethanesulfonamide.

Which grade and pack sizes of Zonisamide can I order?

We supply Zonisamide 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?

Yes. Every lot of Zonisamide 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 be shipped internationally?

Yes. Zonisamide 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.