O-2172

O-2172 is a drug developed by Organix Inc, which acts as a stimulant and potent dopamine reuptake inhibitor. It is an analogue of methylphenidate where the phenyl ring has had a 3,4-dichloro substitution added, and the piperidine ring has been replaced by cyclopentane. It is around 1/3 the potency of methylphenidate, demonstrating that even with the important binding group of the nitrogen lone pair removed entirely, selective DAT binding and reuptake inhibition is still possible.^[1][2]

CAS Number

• 521062-92-0 ^Y

PubChem CID

• 11778793

ChemSpider

• 9953475 ^N

UNII

• SPK6RB6JMK

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O-2172

Identifiers
IUPAC name methyl 2-cyclopentyl-2-(3,4-dichlorophenyl)acetate
CAS Number	521062-92-0 Y
PubChem CID	11778793
ChemSpider	9953475 N
UNII	SPK6RB6JMK
CompTox Dashboard (EPA)	DTXSID901027195
Chemical and physical data
Formula	C14H16Cl2O2
Molar mass	287.18 g·mol−1
3D model (JSmol)	Interactive image
SMILES Clc1ccc(cc1Cl)C(C(=O)OC)C2CCCC2
InChI InChI=1S/C14H16Cl2O2/c1-18-14(17)13(9-4-2-3-5-9)10-6-7-11(15)12(16)8-10/h6-9,13H,2-5H2,1H3 N Key:NEHPFNBRZYFWFN-UHFFFAOYSA-N N
NY (what is this?)  (verify)

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It has been sold as a designer drug under the name DCCPM.^[3]