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M7102-2 2mg solid $148
M7102-10 10mg solid $611


LMN75224 is a phosphodiesterase 1 inhibitors useful for treatment of neurological and psychiatric disorder. LMN75224 was reported in WO 2016147659.

Product information

CAS Number: 2007975-22-4

Molecular Weight: 414.42

Formula: C19H25F3N4O3




LMN 75224

Chemical Name: 3-Methyl-7-(tetrahydro-2H-pyran-4-yl)-2-[[trans-4-(trifluoromethyl)cyclohexyl]methoxy]imidazo[5,1-f][1,2,4]triazin-4(3H)-one

Smiles: CN1C(=O)C2=CN=C(C3CCOCC3)N2N=C1OC[C@@H]1CC[C@H](CC1)C(F)(F)F


InChi: InChI=1S/C19H25F3N4O3/c1-25-17(27)15-10-23-16(13-6-8-28-9-7-13)26(15)24-18(25)29-11-12-2-4-14(5-3-12)19(20,21)22/h10,12-14H,2-9,11H2,1H3/t12-,14-

Technical Data

Appearance: Solid Power.

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: Soluble in DMSO

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥360 days if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined.

HS Tariff Code: 382200

How to use

In Vitro:

DSR-141562 (oral administration; 30 mg/kg; single dose; plasma and brain exposures 0.5, 1, 2, and 3 hours after administration) exhibits good brain uptake, with the brain-to-blood concentration ratio of unbound drug being 0.99 in rats. DSR-141562 (oral administration; 10 mg/kg; single dose; 2 hours) slightly but significantly increases cGMP contents in the frontal cortex and striatum in rat. DSR-141562 (oral administration; 30 mg/kg or 100 mg/kg; single dose; 2 hours) causes a significant increase in cGMP concentration in monkey CSF. The plasma concentrations of unbound this compound are above 43.9 nM (IC50s)for PDE1B in vitro (43.9 nM). DSR-141562 causes a significant increase in cGMP concentration in monkey CSF. DSR-141562 (oral administration; 3 mg/kg, 10 mg/kg and 30 mg/kg; single dose) significantly reverses methamphetamine-induced locomotor hyperactivity, but has no effect on spontaneouslocomotor activity at 3 and 10 mg/kg. DSR-141562 (oral administration; 0.3 mg/kg, 1 mg/kg or 3 mg/kg) significantly reversed the phencyclidine-induced decrease of social interaction time in mice.


  1. Takeshi Enomoto, et al.A Novel Phosphodiesterase 1 Inhibitor DSR-141562 Exhibits Efficacies in Animal Models for Positive, Negative, and Cognitive Symptoms Associated With Schizophrenia. J Pharmacol Exp Ther
  2. Takeshi Enomoto, et al. The Preclinical Profile of DSR-141562: A Novel Phosphodiesterase 1 Inhibitor for the Treatment of Positive Symptoms, Negative Symptoms and Cognitive Impairments Associated with Schizophrenia.Proceedings for The 93rd Annual Meeting of the Japanese Pharmacological Society.

Products are for research use only. Not for human use.

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