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MedKoo CAT#: 525300

CAS#: 158985-00-3

Description: L-745870 is a highly potent and selective dopamine D4 receptor anatagonist.

Price and Availability

Size Price Shipping out time Quantity
Inquire bulk and customized quantity

Pricing updated 2020-07-05. Prices are subject to change without notice.

L-745870 is not in stock, may be available through custom synthesis. For cost-effective reason, minimum 1 gram order is requested. The product will be characterized by NMR, HPLC and MS analysis. Purity (HPLC) is usually >98%. CoA, QC data, MSDS will be provided when product is successfully made. The estimated lead time is 2-3 months. Please send email to sales@medkoo.com to inquire quote.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 525300
Name: L-745870
CAS#: 158985-00-3
Chemical Formula: C18H19ClN4
Exact Mass: 326.1298
Molecular Weight: 326.828
Elemental Analysis: C, 66.15; H, 5.86; Cl, 10.85; N, 17.14

Synonym: L-745870

IUPAC/Chemical Name: 3-[[4-(4-Chlorophenyl)piperazin-1-yl]methyl]-1H-pyrrolo[2,3-b]pyridine


InChi Code: InChI=1S/C18H19ClN4/c19-15-3-5-16(6-4-15)23-10-8-22(9-11-23)13-14-12-21-18-17(14)2-1-7-20-18/h1-7,12H,8-11,13H2,(H,20,21)

SMILES Code: 3-[[4-(4-Chlorophenyl)piperazin-1-yl]methyl]-1H-pyrrolo[2,3-b]pyridine

Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO

Shelf Life:
>2 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:


1: Koga K, Nagai Y, Hanyu M, Yoshinaga M, Chaki S, Ohtake N, Ozaki S, Zhang MR, Suhara T, Higuchi M. High-contrast PET imaging of vasopressin V(1B) receptors with a novel radioligand, (11)C-TASP699. J Nucl Med. 2017 Apr 27. pii: jnumed.116.188698. doi: 10.2967/jnumed.116.188698. [Epub ahead of print] PubMed PMID: 28450560.

2: Iijima M, Yoshimizu T, Shimazaki T, Tokugawa K, Fukumoto K, Kurosu S, Kuwada T, Sekiguchi Y, Chaki S. Antidepressant and anxiolytic profiles of newly synthesized arginine vasopressin V1B receptor antagonists: TASP0233278 and TASP0390325. Br J Pharmacol. 2014 Jul;171(14):3511-25. doi: 10.1111/bph.12699. PubMed PMID: 24654684; PubMed Central PMCID: PMC4105937.