Epinephrine (CAS 51-43-4) Sigma-Aldrich

Epinephrine molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 5 grades and pack sizes of Epinephrine (CAS 51-43-4). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	51-43-4
Molecular formula	C9H13NO3
Molecular weight	183.21 g/mol
IUPAC name	4-[(1R)-1-hydroxy-2-(methylamino)ethyl]benzene-1,2-diol
Synonyms	adrenaline · l-Adrenaline · Adrenalin · Levoepinephrine · Epinefrina · Nephridine

Safety & Hazards (GHS) Danger

Acute toxic

H301 Toxic if swallowed
H310 Fatal in contact with skin
H331 Toxic if inhaled

⚠️ 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	(-)-EPINEPHRINE	E4250-10G E4250-1G E4250-5G	Request Quote
Sigma	ADRENALINE	Y0000882	Request Quote
Sigma	ADRENALINE WITH IMPURITY F	Y0000883	Request Quote

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