What is the NOAEL for Thymosin beta(4)?
Thymosin beta(4) has 4 NOAEL studies in the database. The lowest reported value is 2D5MRE3SSY UNII. Source: openFDA substances.
NOAEL Data
Cosmetic Ingredient
Thymosin beta(4)
Also known as: Fx Peptide
CAS 77591-33-4
Thymosin beta(4) (CAS 77591-33-4) is a chemical substance. Key regulatory status: cosmetic ingredient cross-reference; source data from EPA ToxValDB.
SOURCE
noael studies public
NOAEL studies
4
SOURCE
chemical inventory jurisdictions
Regulatory lists
0
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
7 fields
Name
Thymosin beta(4)
CAS Number
77591-33-4
DTXSID
DTXSID70228259
Molecular Formula
C212H350N56O78S
InChI Key
UGPMCIBIHRSCBV-XNBOLLIBSA-N
Monoisotopic Mass
4960.486317
Synonyms
Fx Peptide
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 4 of 4 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| 2D5MRE3SSY | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 2D5MRE3SSY | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 2D5MRE3SSY | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 2D5MRE3SSY | UNII | FDA UNII substance identifier | - | - | openFDA substances |
Showing 4 of 4 studies
Cosmetic Safety Profile
Same-CAS cosmetic ingredient record for cross-vertical context.
SOURCE
CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Skin Conditioning
Frequently Asked Questions
Is Thymosin beta(4) used in cosmetics?
Yes, Thymosin beta(4) is also indexed as a cosmetic ingredient under the name SH-Oligopeptide-4. 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 Thymosin beta(4) come from?
Safety data is sourced from EPA ToxValDB, EPA DSSTox, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.
Is Thymosin beta(4) used outside industrial chemicals?
Thymosin beta(4) also appears in cosmetics databases.