Dopamine is a catecholamine neurotransmitter synthesized from tyrosine in various regions of the brain and is involved in many neurological pathways and processes. Synonyms: 3-Hydroxytyramine HCl, 4-(2-Aminoethyl)-1,2-benzenediol Hydrochloride, 4-(2-Aminoethyl)pyrocatechol Hydrochloride, 2-(3,4-Dihydroxyphenyl)ethyl-1,1,2,2-amine Hydrochloride, ASL-279, Cardiosteril, Dopastat, Dynatra, Inovan, Inotropin CAS No: 62-31-7 Alternate CAS Free Base: 51-61-6 Molecular Formula: C8H12ClNO2 Molecular Weight: 189.64 Appearance: White or almost white crystals Purity: 98% (Assay on dried basis) Infrared Spectrum: Conforms to reference Melting Point: 248-250C pH: 3.5-5.5 UV Ratios: Absorption maximum at 283nm Loss on Drying: 0.5% Residue On Ignition: 0.1% Solubility: DMSO (Slightly), Methanol (Slightly), Water (Slightly), Soluble in water (100mg/ml). The free base of dopamine is very susceptible to oxidation. Solutions at pH 5.4 to 6.8 have been reported to be stable for 48 hours at 25C. Storage and Stability: Store at 4C under inert atmosphere. Store away from oxidizing agents. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
Molecular Weight:
189.6
Purity:
98% (Assay on dried basis)
Form:
White or almost white crystals
CAS Number:
[62-31-7]
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