Ingredient

quinestrol

⚠ EU Restricted

Identification

CAS Number 152-43-2
EINECS / EC 205-803-1
CosIng Ref 81849
Chemical Name (8R,9S,13S,14S,17R)-3-cyclopentyloxy-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol
IUPAC Name
Formula C25H32O2
Mol. Weight 364.5 g/mol
SMILES CC12CCC3C(C1CCC2(C#C)O)CCC4=C3C=CC(=C4)OC5CCCC5
InChIKey PWZUUYSISTUNDW-VAFBSOEGSA-N

Function & Classification

EU Regulatory Status

🇪🇺
⚠ Restricted — EU Reg. 1223/2009 II

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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Documents

External Resources