L-745870 hydrochloride
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MedKoo CAT#: 559121

CAS#: 1173023-36-3

Description: L-745870 hydrochloride is a high-affinity, selective and orally active human dopamine D4 receptor antagonist. L-745870 hydrochloride has excellent brain penetration.


Chemical Structure

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L-745870 hydrochloride
CAS# 1173023-36-3

Theoretical Analysis

MedKoo Cat#: 559121
Name: L-745870 hydrochloride
CAS#: 1173023-36-3
Chemical Formula: C18H20Cl2N4
Exact Mass: 362.1065
Molecular Weight: 363.286
Elemental Analysis: C, 59.51; H, 5.55; Cl, 19.52; N, 15.42

Price and Availability

Size Price Availability Quantity
5.0mg USD 465.0 2 Weeks
25.0mg USD 1310.0 2 Weeks
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Synonym: L-745870 hydrochloride

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

InChi Key: GFFJYISJZJIKAF-UHFFFAOYSA-N

InChi Code: InChI=1S/C18H19ClN4.ClH/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);1H

SMILES Code: GFFJYISJZJIKAF-UHFFFAOYSA-N

Appearance: Solid powder

Purity: >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).

Solubility: Soluble in DMSO

Shelf Life: >3 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: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 363.286 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Bristow LJ, Kramer MS, Kulagowski J, Patel S, Ragan CI, Seabrook GR. Schizophrenia and L-745,870, a novel dopamine D4 receptor antagonist. Trends Pharmacol Sci. 1997;18(6):186‐188. doi:10.1016/s0165-6147(97)01066-3.

2: Patel S, Freedman S, Chapman KL, et al. Biological profile of L-745,870, a selective antagonist with high affinity for the dopamine D4 receptor. J Pharmacol Exp Ther. 1997;283(2):636‐647.

3: Kulagowski JJ, Broughton HB, Curtis NR, et al. 3-((4-(4-Chlorophenyl)piperazin-1-yl)-methyl)-1H-pyrrolo-2,3-b-pyridine: an antagonist with high affinity and selectivity for the human dopamine D4 receptor. J Med Chem. 1996;39(10):1941‐1942. doi:10.1021/jm9600712.