Topiramate EP Impurity B

Name: Topiramate EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-028463

About Topiramate EP Impurity B

Listed under CAS 876403-98-4, Topiramate EP Impurity B is a pharmacopeial impurity of Topiramate available from Vaqora Chemicals. Formula C17H30N2O9S, molecular weight 438.5 g/mol. Alternative names: Topiramate - Impurity B.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Topiramate to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Topiramate EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Topiramate

View every impurity, metabolite and intermediate we list for Topiramate.

Topiramate impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Topiramate EP Impurity B
Catalogue No.	VQ-028463
CAS Number	876403-98-4
IUPAC name	[(1R,2S,6S,9R)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-6-yl]methyl N-(diethylcarbamoyl)sulfamate
Molecular formula	C₁₇H₃₀N₂O₉S
Molecular weight	438.5 g/mol
Exact mass	438.1672
Grade	Reference Standard
HSN code	38229090
InChIKey	ACYUMNAWFQMILA-FJZAXULXSA-N
SMILES	CCN(CC)C(=O)NS(=O)(=O)OC[C@]12[C@H]([C@H]3[C@@H](CO1)OC(O3)(C)C)OC(O2)(C)C
PubChem CID	16655600

Physical properties
Physical form	Solid
LogP (XLogP3)	0.1
H-bond donors / acceptors	1 / 9
TPSA	130 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 Topiramate EP Impurity B?

The CAS Registry Number of Topiramate EP Impurity B is 876403-98-4. It is also known as Topiramate - Impurity B, 2,3:4,5-Bis-O-(propan-2,2-diyl)-beta-D-fructopyranose 1-[N-(diethylcarbamoyl)sulfamate].

What is the molecular formula and molecular weight of Topiramate EP Impurity B?

Topiramate EP Impurity B has the molecular formula C17H30N2O9S and a molecular weight of 438.5 g/mol. Its IUPAC name is [(1R,2S,6S,9R)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-6-yl]methyl N-(diethylcarbamoyl)sulfamate.

What is Topiramate EP Impurity B used for?

Topiramate EP Impurity B is supplied as a characterised reference material related to Topiramate. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Topiramate EP Impurity B can I order?

We supply Topiramate EP Impurity B 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 Topiramate EP Impurity B?

Yes. Every lot of Topiramate EP Impurity B 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 Topiramate EP Impurity B be shipped internationally?

Yes. We export Topiramate EP Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.