Definition
Homocysteic Acid is the organic compound that conforms to the formula:
Cosmetic roles
Helps dead skin come awayEXFOLIATING
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name ホモシステイン酸: 本品は、次の化学式で表される有機化合物である。
Source: JCIA labelling names (Japan)
Names & identifiers
HOMOCYSTEIC ACIDINCI호모시스테익애씨드Korean label name (MFDS standard)ホモシステイン酸Japanese labelling name
- CAS No.chemical registry number
- 1001-13-4; 504-33-6
- CAS No.chemical registry number
- 504-33-6
- CAS No.chemical registry number
- 1001-13-4
- EC No.EU chemical inventory number
- 207-991-0
- EC No.EU chemical inventory number
- -; 207-991-0
- DTXSIDUS EPA chemical ID
- DTXSID00864543
- DTXCIDUS EPA compound ID
- DTXCID10813047
- IUPAC
- 2-Amino-4-sulfobutanoic acid
- Molecular formula
- C4H9NO5S
- Molecular weight
- 183.18 g/mol
Measured properties
- Appearance
- White odorless powder, [Alfa Aesar MSDS]
Values measured on the substance itself, not a specification for a commercial raw material.
Source: PubChem
Irritation and sensitisation studies
1 skin studies and 0 eye studies are on record.
Classed as moderate1
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 1 studies
- SkinIrr2
Skin Irritation · QSAR Predicted
Source: US EPA CompTox dashboard
Related literature
- Sacral dorsal horn neurone activity during micturition in the cat · 2003
- Inhibitory effects evoked from the anterior hypothalamus are selective for the nociceptive responses of dorsal horn neurons with high- and low-threshold inputs. · 1997
- Composition containing cysteic acid or homocysteic acid for promoting release of skin or stimulating epidermal reintegration · 1996
- Homocysteic acid and the potential role of N-methyl-D-aspartate receptors in cosmetic dermatology: a review · 2025
- Control of cardiac rate, contractility, and atrioventricular conduction by medullary raphe neurons in anesthetized rats. · 2009
Linked databases 12
- ChEBI 2
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- MFDS (Korea) cosmetic ingredient register 2
- PubChem
- Tlooto literature search 2 3 4 5
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- Wikidata