What is the NOAEL for 3-Methylquercetin?
3-Methylquercetin has 4 NOAEL studies in the database. The lowest reported value is 07X3IB4R4Z UNII. Source: openFDA substances.
NOAEL Data
Cosmetic Ingredient
3-Methylquercetin
Also known as: 4H-1-Benzopyran-4-one, 2-(3-methoxy-4-hydroxyphenyl)-3,5,7-trihydroxy-, BRN 0044723, EINECS 207-545-5, Flavone, 3'-methoxy-3,4',5,7-tetrahydroxy-, 3'-Methoxy-3,4',5,7-tetrahydroxyflavone (+9 more)
CAS 480-19-3
3-Methylquercetin (CAS 480-19-3) is a chemical substance. Key regulatory status: cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat.
Cross-Vertical Regulatory Divergence
3-Methylquercetin is classified GHS CMR hazard (H351) in the chemicals database but is allowed in EU cosmetics.
SOURCE
Cross-vertical comparison
Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
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
20 fields
Name
3-Methylquercetin
CAS Number
480-19-3
DTXSID
DTXSID10197379
Molecular Formula
C16H12O7
InChI Key
IZQSVPBOUDKVDZ-UHFFFAOYSA-N
Monoisotopic Mass
316.058303
Synonyms
4H-1-Benzopyran-4-one, 2-(3-methoxy-4-hydroxyphenyl)-3,5,7-trihydroxy-BRN 0044723EINECS 207-545-5Flavone, 3'-methoxy-3,4',5,7-tetrahydroxy-3'-Methoxy-3,4',5,7-tetrahydroxyflavone3,5,7,4'-Tetrahydroxy-3'-methoxyflavoneUNII-07X3IB4R4Z3,4',5,7-Tetrahydroxy-3'-methoxy-Flavone3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4H-benzopyran-4-one3-Methylquercetine4'-Methoxyquercetin4'-Methylquercetin
Functional Uses
Industrial and product-use categories associated with this substance.
SOURCE
EPA CPDat
1 records
Humectant
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 4 of 4 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| 07X3IB4R4Z | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 07X3IB4R4Z | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 07X3IB4R4Z | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 07X3IB4R4Z | 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
Antioxidant
Pharmaceutical Data
Same-CAS pharmaceutical records from drug and bioactivity sources.
SOURCE
EMBL-EBI ChEMBL
ISORHAMNETIN
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
4
Frequently Asked Questions
Is 3-Methylquercetin used in cosmetics?
Yes, 3-Methylquercetin is also indexed as a cosmetic ingredient under the name Isorhamnetin. 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 3-Methylquercetin come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, EPA DSSTox, CosIng / Ingredients DB, ChEMBL / DailyMed. All data traces to primary regulatory sources and is updated from official government databases.
Does 3-Methylquercetin have different safety status in cosmetics vs industrial chemicals?
3-Methylquercetin is classified GHS CMR hazard (H351) in the chemicals database but is allowed in EU cosmetics.
Is 3-Methylquercetin used outside industrial chemicals?
3-Methylquercetin also appears in cosmetics, pharmaceutical databases.