RCS-4

RCS-4
Legal status
Legal status	CA: Schedule II; DE: Anlage II (Authorized trade only, not prescriptible); UK: Class B; US: Schedule I; Illegal in Sweden, I-N (Poland);
Identifiers
	IUPAC name 2-(4-methoxyphenyl)-1-(1-pentyl-indol-3-yl)methanone;
CAS Number	1345966-78-0 ;
ChemSpider	24769418 ;
UNII	Y6911BZ2UL;
CompTox Dashboard (EPA)	DTXSID70158820 ;
ECHA InfoCard	100.233.383
Chemical and physical data
Formula	C21H23NO2
Molar mass	321.420 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CCCCCn1cc(c2c1cccc2)C(=O)c3ccc(cc3)OC;
	InChI InChI=1S/C21H23NO2/c1-3-4-7-14-22-15-19(18-8-5-6-9-20(18)22)21(23)16-10-12-17(24-2)13-11-16/h5-6,8-13,15H,3-4,7,14H2,1-2H3 ; Key:OZCYJKDWRUIFFE-UHFFFAOYSA-N ;
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RCS-4, or 1-pentyl-3-(4-methoxybenzoyl)indole, is a synthetic cannabinoid drug sold under the names SR-19, BTM-4, or Eric-4 (later shortened to E-4), but originally, OBT-199.

Legal status

Legal status	CA: Schedule II DE: Anlage II (Authorized trade only, not prescriptible) UK: Class B US: Schedule I Illegal in Sweden, I-N (Poland)
Identifiers
IUPAC name 2-(4-methoxyphenyl)-1-(1-pentyl-indol-3-yl)methanone
CAS Number	1345966-78-0^N
ChemSpider	24769418^Y
UNII	Y6911BZ2UL
CompTox Dashboard (EPA)	DTXSID70158820
ECHA InfoCard	100.233.383
Chemical and physical data
Formula	C₂₁H₂₃NO₂
Molar mass	321.420 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES CCCCCn1cc(c2c1cccc2)C(=O)c3ccc(cc3)OC
InChI InChI=1S/C21H23NO2/c1-3-4-7-14-22-15-19(18-8-5-6-9-20(18)22)21(23)16-10-12-17(24-2)13-11-16/h5-6,8-13,15H,3-4,7,14H2,1-2H3^Y Key:OZCYJKDWRUIFFE-UHFFFAOYSA-N^Y
^NY (what is this?) (verify)