Diethylstilbestrol (CAS 56-53-1) Sigma-Aldrich

Diethylstilbestrol molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 5 grades and pack sizes of Diethylstilbestrol (CAS 56-53-1). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	56-53-1
Molecular formula	C18H20O2
Molecular weight	268.36 g/mol
IUPAC name	4-[(E)-4-(4-hydroxyphenyl)hex-3-en-3-yl]phenol
Synonyms	Stilboestrol · Distilbene · Estrobene · Stilbetin · Stilboestroform · Antigestil

Safety & Hazards (GHS) Danger

Irritant

Health hazard

Environmental hazard

H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
H350 May cause cancer
H360 May damage fertility or the unborn child
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	DIETHYLSTILBESTROL	D4628-10G D4628-1G D4628-25G D4628-5G	Request Quote
Sigma	DIETHYLSTILBESTROL, UNITED STATES PHARMA	1195001-200MG	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.