Skip to the beginning of the images gallery

Zonisamide-d4 - CP：95%，95 atom % D, high purity , CAS No.1020720-04-0

COA

Grade & Purity:

≥95 atom% D,≥95%

Cas Number: 1020720-04-0
Molecular Weight: 216.25
PubChem CID: 45040707

In stock

Item Number

Z334653

Grouped product items
SKU	Size	Availability	Price	Qty
Z334653-0.5mg	0.5mg	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$201.90
Z334653-1mg	1mg	Available within 4-8 weeks(?) Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!	$335.90

a labeled antiepileptic with a wide range mechanistic and anticonvulsant profile

View related series

Calcium Channel (223) Carbonic Anhydrase (39) Glucose Metabolism (1943) Ion channel (2197) Membrane Transporter/Ion Channel (1822) Metabolic Enzyme/Protease (4860) Neuronal Signaling (3320) Sodium Channel (211)

Basic Description

Synonyms	1-[(~2~H_4_)-1,2-Benzoxazol-3-yl]methanesulfonamide \| 3-(Sulfamoylmethyl)-1,2-benzisoxazole-d4 \| 1020720-04-0 \| CS-0200960 \| 1,2-Benzisoxazole-4,5,6,7-d4-3-methanesulfonamide \| Zonisamide-d4 \| [(4,5,6,7-?H?)-1,2-benzoxazol-3-yl]methanesulfonamide \| 1,2-BE
Specifications & Purity	≥95 atom% D,≥95%
Storage Temp	Protected from light,Store at -20°C,Argon charged
Shipped In	Ice chest + Ice pads This product requires cold chain shipping. Ground and other economy services are not available.
Product Description	Zonisamide-d4 is a labeled sulfonamide antiseizure agent which blocks repetitive firing of voltagesensitive sodium channels and reduces voltage-sensitive T-type calcium currents. It is a heterocyclic methanesulfonide with anticonvulsant properties.

Taxonomic Classification

Taxonomy Tree

Kingdom Organic compounds
- Superclass Organoheterocyclic compounds
  - Class Benzisoxazoles

Kingdom	Organic compounds
Superclass	Organoheterocyclic compounds
Class	Benzisoxazoles
Subclass	Not available
Intermediate Tree Nodes	Not available
Direct Parent	Benzisoxazoles
Alternative Parents	Organosulfonamides Organic sulfonamides Benzenoids Isoxazoles Heteroaromatic compounds Aminosulfonyl compounds Oxacyclic compounds Azacyclic compounds Organooxygen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives
Molecular Framework	Aromatic heteropolycyclic compounds
Substituents	Benzisoxazole - Organic sulfonic acid amide - Benzenoid - Organosulfonic acid amide - Azole - Isoxazole - Organic sulfonic acid or derivatives - Heteroaromatic compound - Organosulfonic acid or derivatives - Aminosulfonyl compound - Sulfonyl - Oxacycle - Azacycle - Hydrocarbon derivative - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic oxide - Organic oxygen compound - Organic nitrogen compound - Aromatic heteropolycyclic compound
Description	This compound belongs to the class of organic compounds known as benzisoxazoles. These are aromatic compounds containing a benzene ring fused to an isoxazole ring. Isoxazole is five-membered ring with three carbon atoms, and an oxygen atom next to a nitrogen atom.
External Descriptors	Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

IUPAC Name	(4,5,6,7-tetradeuterio-1,2-benzoxazol-3-yl)methanesulfonamide
INCHI	InChI=1S/C8H8N2O3S/c9-14(11,12)5-7-6-3-1-2-4-8(6)13-10-7/h1-4H,5H2,(H2,9,11,12)/i1D,2D,3D,4D
InChIKey	UBQNRHZMVUUOMG-RHQRLBAQSA-N
Smiles	C1=CC=C2C(=C1)C(=NO2)CS(=O)(=O)N
Isomeric SMILES	[2H]C1=C(C(=C2C(=C1[2H])C(=NO2)CS(=O)(=O)N)[2H])[2H]
RTECS	DE4930000
PubChem CID	45040707
Molecular Weight	216.25

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot Number	Certificate Type	Date	Item
I2202989	Certificate of Analysis	Jun 10, 2025	Z334653
C2317366	Certificate of Analysis	Dec 30, 2022	Z334653

Chemical and Physical Properties

Solubility	Soluble in DMF and DMSO
Melt Point(°C)	163-165° C
Molecular Weight	216.250 g/mol
XLogP3	0.200
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	2
Exact Mass	216.051 Da
Monoisotopic Mass	216.051 Da
Topological Polar Surface Area	94.600 Å²
Heavy Atom Count	14
Formal Charge	0
Complexity	298.000
Isotope Atom Count	4
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	1

Documents & Articles

Solution Calculators

Molarity Calculator

Determine the necessary mass, volume, or concentration for preparing a solution.

Mass

Concentration

Volume

M. Wt*

g/mol

*When preparing stock solutions, always use the batch-specific molecular weight of the product found on the vial label and the Certificate of Analysis (available online).

Dilution Calculator

Determine the dilution needed to prepare a stock solution.

Concentration 1 (C1)

Volume 1 (V1)

Concentration 2 (C2)

Volume 2 (V2)

Reconstitution Calculator

The reconstitution calculator enables you to quickly determine the volume of a reagent needed to reconstitute your vial. Just enter the mass of the reagent and the target concentration, and the calculator will do the rest.

Volume (to add to vial)

Mass (in vial)

Desired Reconstitution Concentration