Acetyl Cysteine
✓ EU AllowedIdentification
CAS Number 616-91-1
EINECS / EC 210-498-3
CosIng Ref 73979
Chemical Name (2R)-2-acetamido-3-sulfanylpropanoic acid
IUPAC Name —
Formula C5H9NO3S
Mol. Weight 163.2 g/mol
SMILES CC(=O)NC(CS)C(=O)O
InChIKey PWKSKIMOESPYIA-BYPYZUCNSA-N
Function & Classification
Primary Function Antioxidant
Secondary Functions SKIN CONDITIONING
Origin Synthetic
Category Vitamins & Antioxidants
EU Regulatory Status
Safety Profile
No toxicology data available yet for this ingredient.
Check SCCS opinions or CIR reports for published safety assessments.
NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
Usage level, pH range, solubility and addition phase not yet available.
Usage Level % · Addition Phase · Solubility
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