Topiramate

Also known as: 2,3:4,5-Bis-O-(1-methylethylidene)-beta-D-fructopyranose sulfamate, BRN 5988957, RWJ-17021-000, Topiramato, Topiramatum (+11 more)

INCI: TOPIRAMATE

Topiramate (CAS 97240-79-4) is a cosmetic cosmetic ingredient functioning as Skin conditioning (CosIng listing), though primarily known as an. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 97240-79-4 →

Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning (CosIng listing), though primarily known as an anticonvulsant/pharmaceutical active
Safety Rating
POOR

Chemistry & Identifiers

Formula
C12H21NO8S
MW
339.36 g/mol
PubChem CID
5284627
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 sulfamate
InChIKey
KJADKKWYZYXHBB-XBWDGYHZSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes FDA-approved drug (Topamax®); cosmetic use would be extremely problematic — any therapeutic claim triggers drug classification

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Topiramate.

Calculate MoS for your specific formulation with the MoS Calculator.

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (1)
Carcinogen Classification
No indication of carcinogenicity to humans (not listed by IARC).
Source: Toxin and Toxin Target Database (T3DB)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Softener and conditioner
Regulatory List Membership (1)
California Proposition 65 (OEHHA)

Expert Verdict

Expert safety assessment and concern-level summary for Topiramate.

Regulatory Flags

prop65

Known Synonyms

2,3:4,5-Bis-O-(1-methylethylidene)-beta-D-fructopyranose sulfamate BRN 5988957 RWJ-17021-000 Topiramato Topiramatum UNII-0H73WJJ391 Topiragen Trokendi XR 2,3:4,5-di-O-isopropylidene-beta-D-fructopyranose sulfamate McN-4853 RWJ-17021 TPM Topamax Sprinkle [(1R,2S,6S,9R)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-6-yl]methyl sulfamate tipiramate tipiramato

Chemical Function

Softener and conditioner

Regulatory Lists

Canada; consumer_product; Substances in Products - Canada (4/2014) pharmaceutical pharmaceutical OEHHA Proposition 65 (3/2019) Canada; pharmaceutical OEHHA Proposition 65 (1/2023)

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
TOPIRAMATE
ChEMBL ID
CHEMBL220492
Max Phase
4
Adverse Event Associations
7885
View full pharmaceutical profile →

Frequently Asked Questions

Is Topiramate safe in cosmetics?

Topiramate has a safety rating of "POOR" in our database. EU status: permitted. US status: permitted.

Is Topiramate allowed in the EU?

Topiramate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Topiramate do in cosmetics?

Topiramate functions as: Skin conditioning (CosIng listing), though primarily known as an anticonvulsant/pharmaceutical active. It is classified as a cosmetic ingredient in our database. CAS number: 97240-79-4.

Is Topiramate used outside cosmetics?

Topiramate also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does Topiramate have different safety status in cosmetics vs industrial chemicals?

Topiramate is classified GHS Danger (H351, H360, H371, H372, H315, H319, H335, H361) in the chemicals database but is allowed in EU cosmetics.

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