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L3169 Sigma

LP 12 hydrochloride hydrate

≥98% (HPLC), solid

Synonym: 4-(2-Diphenyl)-N-(1,2,3,4-tetrahydronaphthalen-1-yl)-1- piperazinehexanamide hydrochloride

  • Empirical Formula (Hill Notation) C32H39N3O·HCl · xH2O

  • Molecular Weight 518.13 (anhydrous basis)

  •  MDL number MFCD11114387



Biochem/physiol Actions

LP 12 dihydrochloride is a 5-HT7 receptor agonist displaying selectivity over D2, 5-HT1A and 5-HT2A receptors (Ki values are 0.13, 224, 60.9 and 1464 nM, respectively. It also displays selectivity over D2, 1723; over 5-HT1A, 468; over 5-HT2A, 11261; and high potency. Sigma has added LP 44 (L9793) which shows significantly lower D2 selectivity (7.3 nM/0.22 nM for 33-fold), lower selectivity over 5-HT1A, 240; and over 5-HT2A, 1482. LP 12 and LP 44 seem to share a common intermediate.

Features and Benefits

This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more.

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Safety Information

GHS07  GHS07
Signal word 
Hazard statements 
Precautionary statements 
NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Protocols & Articles


Serotonin Receptors

Serotonin (5-hydroxytryptamine, 5-HT) is widely distributed throughout the mammalian body, being synthesized from L-tryptophan in enterochromaffin cells of the gastro-intestinal tract as well as in s...
Keywords: Active transport, Atomic absorption spectroscopy, Cancer, Clinical, Gene expression, Ligands, Neurotransmitters, Obesity, Polymorphisms, Schizophrenia, Transduction

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