O-1656

O-1656 is a cannabinoid agonist which was invented by Billy R Martin and Raj K Razdan at Organix Inc in 2002. It is moderately selective for the CB₂ receptor with a CB₁ receptor affinity of 18 nM and a CB₂ receptor affinity of 2 nM.^[1][2][3] Since it has a cycloheptyl ring attached to the phenol core, it falls outside the definition of a "cyclohexylphenol derivative", but may still be controlled by generic legislation in some jurisdictions.

ATC code

• none

CAS Number

• 468083-75-2

PubChem CID

• 58803980

FormulaC₂₂H₃₆O₂

Quick facts Clinical data, ATC code ...

O-1656

Clinical data
ATC code	none
Identifiers
IUPAC name 2-cycloheptyl-5-(2-methyloctan-2-yl)benzene-1,3-diol
CAS Number	468083-75-2
PubChem CID	58803980
Chemical and physical data
Formula	C22H36O2
Molar mass	332.528 g·mol−1
3D model (JSmol)	Interactive image
SMILES CCCCCCC(C)(C)C1=CC(=C(C(=C1)O)C2CCCCCC2)O
InChI InChI=1S/C22H36O2/c1-4-5-6-11-14-22(2,3)18-15-19(23)21(20(24)16-18)17-12-9-7-8-10-13-17/h15-17,23-24H,4-14H2,1-3H3 Key:AECZEBWFCJESSN-UHFFFAOYSA-N

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