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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 8367Generated: October 26, 2026

Alpha-Ethyltryptamine

Etryptamine · ALPHA-ETHYLTRYPTAMINE · Nsc88061 · Ro 3-1932 · AURORA KA-7710 · Ethyltryptamine · α-Ethyltryptamine · 3-Indolylbutylamine

https://huagongshe.com/en/chemical/8367

Alpha-Ethyltryptamine molecular structure

Identifiers & Physical Properties

CAS No.2235-90-7
Molecular formulaC12H16N2
Average molar mass188.27 g/mol
Monoisotopic mass188.13134852 g/mol
SMILESCCC(N)Cc1c[nH]c2ccccc12
InChIKeyZXUMUPVQYAFTLF-UHFFFAOYSA-N
PubChem CID8367
ChEMBLCHEMBL1619758
ChEBICHEBI:134838
DTXSIDDTXSID1046764

Chemical & Physical Properties

XLogP2.5
Topological polar surface area41.8
Hydrogen bond donors2
Hydrogen bond acceptors1
Rotatable bonds3
Heavy atoms14
Formal charge0
Complexity181
LogS-2.57
Solubility510DMF: 11 mg/mlDMSO: 5 mg/mlEthanol: 20 mg/mlEthanol:PBS(pH 7.2) (1:1): 0.5 mg/ml0.51g/L(room temperature)
Melting point22197-99°
Kovats Retention Index1848
Boiling point313.29°C (rough estimate)
Density0.9520 (rough estimate)
Refractive index1.5600 (estimate)
Physical stateA crystalline solid
pKa (acidity coefficient)17.22±0.30(Predicted)
EWG's Food Scores1
FDA UNIIGR181O3R32

Safety & Regulations

Regulatory informationDEA schedule I controlled substance

Applications & Uses

Uses

α-Ethyltryptamine (E931900) is used as a stimulant and entactogen that have actions at multiple central nervous system (CNS) receptor sites.