Excellent Cosmetic Ingredient NOAEL Data

Stigmasterol

Also known as: (24S)-24-Ethylcholesta-5,22-dien-3β-ol, Stigmasta-5,22-dien-3-ol, (3β,22E)-, (24S)-5,22-Stigmastadien-3β-ol, Δ5-Stigmasterol, Δ5,22-Stigmastadien-3β-ol (+11 more)

INCI: STIGMASTEROL

Stigmasterol (CAS 83-48-7) is a cosmetic cosmetic ingredient functioning as Skin conditioning, emollient, barrier reinforcement. Reported NOAEL =2571 mg/kg bw/day in Rat (ToxValDB_ECHA_IUCLID); 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 83-48-7 →

Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning, emollient, barrier reinforcement
Safety Rating
EXCELLENT

Chemistry & Identifiers

Formula
C29H48O
MW
412.7 g/mol
PubChem CID
5280794
IUPAC Name
(3S,8S,9S,10R,13R,14S,17R)-17-[(E,2R,5S)-5-ethyl-6-methylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
InChIKey
HCXVJBMSMIARIN-PHZDYDNGSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted — no FDA restrictions

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

1 study endpoint found for Stigmasterol. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL =2571 mg/kg bw/day oral Rat chronic ToxValDB_ECHA_IUCLID

PubChem Annotations

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

Safety (1)
Endocrine Disruptors
Potential endocrine disrupting compound
Source: NORMAN Suspect List Exchange

Expert Verdict

Expert safety assessment and concern-level summary for Stigmasterol.

Regulatory Flags

potential-allergen

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Stigmasterol by CAS number or substance name.

Studies
1
Lowest NOAEL
2571 mg/kg bw/day
Highest NOAEL
2571 mg/kg bw/day
ToxValDB_ECHA_IUCLID

Known Synonyms

(24S)-24-Ethylcholesta-5,22-dien-3β-ol Stigmasta-5,22-dien-3-ol, (3β,22E)- (24S)-5,22-Stigmastadien-3β-ol Δ5-Stigmasterol Δ5,22-Stigmastadien-3β-ol β-Stigmasterol Stigmasterin Stigmasta-5,22-dien-3β-ol Stigmasta-5,22(E)-dien-3β-ol NSC 8095 (24S)-Stigmast-5,22-dien-3β-ol (3β,22E)-Stigmasta-5,22-dien-3-ol 24-Ethyl-5,22-cholestadien-3β-ol 24β-Ethyl-5,22-cholestadien-3β-ol stigmasta-5,22-dien-3-β-ol EC No.: 201-482-7

Regulatory Lists

Canada; Personal care; Substances in PCP - Canada (4/2014)

Australian Status

AICIS status: listed

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
STIGMASTEROL
ChEMBL ID
CHEMBL400247
View full pharmaceutical profile →

Frequently Asked Questions

Is Stigmasterol safe in cosmetics?

Stigmasterol has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted. 1 toxicological study endpoint(s) are available in our database.

Is Stigmasterol allowed in the EU?

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

What does Stigmasterol do in cosmetics?

Stigmasterol functions as: Skin conditioning, emollient, barrier reinforcement. It is classified as a cosmetic ingredient in our database. CAS number: 83-48-7.

What is the NOAEL for Stigmasterol?

The NOAEL (No Observed Adverse Effect Level) for Stigmasterol is =2571 mg/kg bw/day based on a chronic study via oral route in Rat. Source: ToxValDB_ECHA_IUCLID.

Is Stigmasterol used outside cosmetics?

Stigmasterol 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.

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