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Pharmacopeial Impurities (EP / USP / BP)

Topiramate EP Impurity A

Reference StandardAvailable on request

Topiramate EP Impurity A (CAS 20880-92-6) supplier Zemixal: C12H20O6, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes
Topiramate EP Impurity A chemical structure
CAS number20880-92-6
FormulaC12H20O6
Molar mass260.28 g/mol
Physical formSolid
HS code38229090
InChIKeyPSSHGMIAIUYOJF-XBWDGYHZSA-N
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]methanol

About Topiramate EP Impurity A

Topiramate EP Impurity A is supplied by Zemixal as a characterised reference material for Topiramate analysis. Key data (Reference Standard): CAS 20880-92-6, formula C12H20O6 and molar mass 260.28 g/mol. It is handled as a solid.

Use cases we see most often

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

Handling and storage

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Topiramate

See every impurity, metabolite and related compound we list for this API.

Topiramate standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Topiramate EP Impurity A
Product nameTopiramate EP Impurity A
Catalogue numberZX-027350
CAS number20880-92-6
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]methanol
Molecular formulaC12H20O6
Molar mass260.28 g/mol
Exact mass260.126
GradeReference Standard
Physical formSolid
XLogP3-0.3
H-bond donors / acceptors1 / 6
Topological polar surface area66.4 Ų
HS code38229090
InChIKeyPSSHGMIAIUYOJF-XBWDGYHZSA-N
SMILESCC1(O[C@@H]2CO[C@@]3([C@H]([C@@H]2O1)OC(O3)(C)C)CO)C
PubChem CID10244345
Synonyms2,3:4,5-Di-O-isopropylidene-Beta-D-fructopyranose, Topiramate - Impurity A, Topiramate Related Compound A, D-Fructopyranose diacetonide, Diacetone-D-fructose, beta-D-Fructopyranose, 2,3:4,5-bis-O-(1-methylethylidene)-, .beta.-D-Fructopyranose, 2,3:4,5-bis-O-(1-methylethylidene)-, Diacetone-beta-D-fructose, Diacetonefructose, 2,3:4,5-Bis-O-(1-methylethylidene)-beta-D-fructopyranose, Diacetone-ss-D-fructose, Diacetone-, A-D-fructose

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Topiramate EP Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Topiramate EP Impurity A

Which CAS number identifies Topiramate EP Impurity A?
Topiramate EP Impurity A is registered under CAS 20880-92-6. You may also see it listed as 2,3:4,5-Di-O-isopropylidene-Beta-D-fructopyranose, Topiramate - Impurity A, Topiramate Related Compound A. Our catalogue number for this item is ZX-027350.
What are the formula and molar mass of Topiramate EP Impurity A?
For Topiramate EP Impurity A, its formula is C12H20O6 and its molar mass is 260.28 g/mol. The systematic (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]methanol. InChIKey PSSHGMIAIUYOJF-XBWDGYHZSA-N lets you match it in any structure database.
How is Topiramate EP Impurity A used in pharmaceutical QC?
Topiramate EP Impurity A is a characterised reference material linked to Topiramate. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Topiramate EP Impurity A?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Topiramate EP Impurity A?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Topiramate EP Impurity A to my country?
Yes. Because Topiramate EP Impurity A is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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