Zonisamide-d4 - ≥95 atom% D,≥95% , CAS No.1020720-04-0

CAS: 1020720-04-0 Cat. No.: Z334653 Molecular Weight: 216.25 EC Number: 691-309-5 PubChem CID: 45040707
AVAILABLE TO ORDER
GRADE & PURITY ≥95 atom% D,≥95%
Synonyms
1-[(~2~H_4_)-1,2-Benzoxazol-3-yl]methanesulfonamide | 3-(Sulfamoylmethyl)-1,2-benzisoxazole-d4 | 1020720-04-0 | 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-BENZISOXAZOLE-3
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
0.5mg
Z334653-0.5mg
1
$367.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥95 atom% D,≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

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.

Specifications

Synonyms
1-[(~2~H_4_)-1, 2-Benzoxazol-3-yl]methanesulfonamide | 3-(Sulfamoylmethyl)-1, 2-benzisoxazole-d4 | 1020720-04-0 | 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-BENZISOXAZOLE-3
Specifications & Purity
≥95 atom% D, ≥95%
Storage
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.
Purity
≥95 atom% D, ≥95%
Names and Identifiers
Canonical SmilesC1=CC=C2C(=C1)C(=NO2)CS(=O)(=O)N
IUPAC Name(4,5,6,7-tetradeuterio-1,2-benzoxazol-3-yl)methanesulfonamide
InChIKeyUBQNRHZMVUUOMG-RHQRLBAQSA-N
INCHI1S/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
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

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzisoxazoles
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzisoxazoles
Alternative Parents Organosulfonamides  Organic sulfonamides  Benzenoids  Isoxazoles  Heteroaromatic compounds  Aminosulfonyl compounds  Oxacyclic compounds  Azacyclic compounds  Organooxygen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic 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
DescriptionThis 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
3D Structure
Interactive Chemical Structure Model





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 NumberCertificate TypeDateItem
C2317366Certificate of AnalysisJan 19, 2026 Z334653
I2202989Certificate of AnalysisJun 10, 2025 Z334653
Chemical and Physical Properties
SolubilitySoluble in DMF and DMSO
Melt Point(°C)163-165° C
Molecular Weight216.250 g/mol
XLogP30.200
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass216.051 Da
Monoisotopic Mass216.051 Da
Topological Polar Surface Area94.600 Ų
Heavy Atom Count14
Formal Charge0
Complexity298.000
Isotope Atom Count4
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.