Chemistry:2-Hydroxyestriol

2-Hydroxyestriol

Names
IUPAC name Estra-1,3,5(10)-triene-2,3,16α,17β-tetrol
Systematic IUPAC name (1R,2R,3aS,3bR,9bS,11aS)-11a-Methyl-2,3,3a,3b,4,5,9b,10,11,11a-decahydro-1H-cyclopenta[a]phenanthrene-1,2,7,8-tetrol
Identifiers
CAS Number	1232-80-0 Y
3D model (JSmol)	Interactive image
ChemSpider	8510654
PubChem CID	10335195
UNII	XS3NDJ547R Y
InChI InChI=1S/C18H24O4/c1-18-5-4-10-11(13(18)8-16(21)17(18)22)3-2-9-6-14(19)15(20)7-12(9)10/h6-7,10-11,13,16-17,19-22H,2-5,8H2,1H3/t10-,11+,13-,16+,17-,18-/m0/s1 Key: ZUGCDOZAVASBQT-SLVREZFOSA-N
SMILES C[C@]12CC[C@H]3[C@H]([C@@H]1C[C@H]([C@@H]2O)O)CCC4=CC(=C(C=C34)O)O
Properties
Chemical formula	C18H24O4
Molar mass	304.386 g·mol−1
Hazards
GHS hazard statements	H351
GHS precautionary statements	P201, P202, P281, P308+313, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Tracking categories (test):

• SizeSet

2-Hydroxyestriol, also known as estra-1,3,5(10)-triene-2,3,16α,17β-tetrol, is an endogenous catechol estrogen and metabolite of estriol. It is a suspected carcinogen of carcinogenicity category 2.

See also

• 4-Hydroxyestriol
• 2-Methoxyestriol