NOAEL Data Cosmetic Ingredient

S-Allylcysteine

Also known as: L-Cysteine, S-2-propenyl-, S-Allyl cysteine, UNII-81R3X99M15

CAS 21593-77-1

S-Allylcysteine (CAS 21593-77-1) is a chemical substance. Key regulatory status: 2 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat.

View cosmetic safety profile for S-Allylcysteine →

SOURCE NOAEL studies
NOAEL studies
8
SOURCE Chemical inventory jurisdictions
Regulatory lists
2
SOURCE EU CLP Annex VI
GHS signal
Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 9 fields
Name
S-Allylcysteine
CAS Number
21593-77-1
DTXSID
DTXSID20894862
Molecular Formula
C6H11NO2S
InChI Key
ZFAHNWWNDFHPOH-YFKPBYRVSA-N
Monoisotopic Mass
161.05105
Synonyms
L-Cysteine, S-2-propenyl-S-Allyl cysteineUNII-81R3X99M15

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 3 records
Bleaching agentFlavouring and nutrient

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 2 records
ListKeywordSource
EuropeEuropean CommissionFl@vis
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)FDAUnited States Food and Drug Administration (FDA)

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 8 of 8 studies
ValueUnitEndpointRouteSpeciesSource
81R3X99M15UNIIFDA UNII substance identifier--openFDA substances
81R3X99M15UNIIFDA UNII substance identifier--openFDA substances
81R3X99M15UNIIFDA UNII substance identifier--openFDA substances
81R3X99M15UNIIFDA UNII substance identifier--openFDA substances
=250mg/kg bw/dayNOAELoralRatEFSA
=250mg/kg bw/dayNOAELoral: unspecifiedRatEFSA
=250mg/kg bw/dayNOELoralRatEFSA
=250mg/kg bw/dayNOEL-RatEFSA

Showing 8 of 8 studies

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Antioxidant
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE ChEMBL / DailyMed CHEMBL2048654
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
0
View full pharmaceutical profile →

Cannabis Data

Same-CAS cannabis compliance and lab records where available.

SOURCE Cannabis regulatory / lab data efsa substances

1 cannabis record found in efsa substances.

View full cannabis profile →

Frequently Asked Questions

What is the NOAEL for S-Allylcysteine?

S-Allylcysteine has 8 NOAEL studies in the database. The lowest reported value is 81R3X99M15 UNII. Source: openFDA substances.

What regulatory lists include S-Allylcysteine?

S-Allylcysteine appears on 2 regulatory/inventory lists including Europe, food_additive; Substances Added to Food (formerly EAFUS) (2/2019). Source: EPA CPDat.

Is S-Allylcysteine used in cosmetics?

Yes, S-Allylcysteine is also indexed as a cosmetic ingredient under the name S-Allylcysteine. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for S-Allylcysteine come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, EPA DSSTox, CosIng / Ingredients DB, ChEMBL / DailyMed, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.

Is S-Allylcysteine used outside industrial chemicals?

S-Allylcysteine also appears in cosmetics, pharmaceutical, cannabis databases.