Pregnenolone Acetate

Also known as: EINECS 217-212-6, UNII-0G0WWV404B, 3beta-Hydroxypregn-5-en-20-one acetate

INCI: PREGNENOLONE ACETATE

Pregnenolone Acetate (CAS 1778-02-5) is a cosmetic cosmetic ingredient functioning as Skin conditioning agent with anti-aging and hydration properties. EU Regulation 1223/2009 status: prohibited. 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 1778-02-5 →

Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning agent with anti-aging and hydration properties
Safety Rating
POOR

Chemistry & Identifiers

Formula
C23H34O3
MW
358.5 g/mol
EC Number
217-212-6
PubChem CID
2723722
IUPAC Name
[(3S,8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate
InChIKey
CRRKVZVYZQXICQ-RJJCNJEVSA-N

Regulatory Status

EU EU Status prohibited
US US Status restricted
US Notes Not specifically prohibited but hormonal claims would classify product as a drug. Cosmetic use at low concentrations exists historically.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Intermediate
Tonnage Band
Intermediate use only
Substance Type
SUBSTANCE
SVHC Candidate
No

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

JPKR Japan/Korea Cosmetics
Japan (Prohibited): ; Category: General
Additional Jurisdictional Restrictions (2)
Jurisdiction Status Max % Product Type
JP banned - All cosmetics
KR prohibited - -

PubChem Annotations

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

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

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Softener and conditioner

Expert Verdict

Expert safety assessment and concern-level summary for Pregnenolone Acetate.

Known Synonyms

EINECS 217-212-6 UNII-0G0WWV404B 3beta-Hydroxypregn-5-en-20-one acetate

Chemical Function

Softener and conditioner

Regulatory Lists

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

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.

ChEMBL ID
CHEMBL1892286
View full pharmaceutical profile →

Frequently Asked Questions

Is Pregnenolone Acetate safe in cosmetics?

Pregnenolone Acetate has a safety rating of "POOR" in our database. EU status: prohibited. US status: restricted.

Is Pregnenolone Acetate allowed in the EU?

Pregnenolone Acetate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Pregnenolone Acetate do in cosmetics?

Pregnenolone Acetate functions as: Skin conditioning agent with anti-aging and hydration properties. It is classified as a cosmetic ingredient in our database. CAS number: 1778-02-5.

Is Pregnenolone Acetate used outside cosmetics?

Pregnenolone Acetate 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 Pregnenolone Acetate have different safety status in cosmetics vs industrial chemicals?

Pregnenolone Acetate is prohibited in EU cosmetics but has active industrial GHS classifications (H302, H312, H332, H351, H361, H362).

Is Pregnenolone Acetate in Your Products?

Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free →

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Pregnenolone Acetate in your formulation.