L-741,626
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    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 532077

CAS#: 81226-60-0

Description: L-741,626 is a selective D2 receptor antagonist.


Chemical Structure

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L-741,626
CAS# 81226-60-0

Theoretical Analysis

MedKoo Cat#: 532077
Name: L-741,626
CAS#: 81226-60-0
Chemical Formula: C20H21ClN2O
Exact Mass: 340.1342
Molecular Weight: 340.85
Elemental Analysis: C, 70.48; H, 6.21; Cl, 10.40; N, 8.22; O, 4.69

Price and Availability

Size Price Availability Quantity
10.0mg USD 270.0 2 Weeks
50.0mg USD 750.0 2 Weeks
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Synonym: L-741,626; L 741,626; L741,626.

IUPAC/Chemical Name: 4-(4-chlorophenyl)-1-(1H-indol-3-ylmethyl)piperidin-4-ol

InChi Key: LLBLNMUONVVVPG-UHFFFAOYSA-N

InChi Code: InChI=1S/C20H21ClN2O/c21-17-7-5-16(6-8-17)20(24)9-11-23(12-10-20)14-15-13-22-19-4-2-1-3-18(15)19/h1-8,13,22,24H,9-12,14H2

SMILES Code: OC1(C2=CC=C(Cl)C=C2)CCN(CC3=CNC4=C3C=CC=C4)CC1

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: >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: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 340.85 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: Vangveravong S, Taylor M, Xu J, Cui J, Calvin W, Babic S, Luedtke RR, Mach RH. Synthesis and characterization of selective dopamine D2 receptor antagonists. 2. Azaindole, benzofuran, and benzothiophene analogs of L-741,626. Bioorg Med Chem. 2010 Jul 15;18(14):5291-300. doi: 10.1016/j.bmc.2010.05.052. PubMed PMID: 20542439; PubMed Central PMCID: PMC2946321.

2: Pillai G, Brown NA, McAllister G, Milligan G, Seabrook GR. Human D2 and D4 dopamine receptors couple through betagamma G-protein subunits to inwardly rectifying K+ channels (GIRK1) in a Xenopus oocyte expression system: selective antagonism by L-741,626 and L-745,870 respectively. Neuropharmacology. 1998 Aug;37(8):983-7. PubMed PMID: 9833627.

3: Bowery BJ, Razzaque Z, Emms F, Patel S, Freedman S, Bristow L, Kulagowski J, Seabrook GR. Antagonism of the effects of (+)-PD 128907 on midbrain dopamine neurones in rat brain slices by a selective D2 receptor antagonist L-741,626. Br J Pharmacol. 1996 Dec;119(7):1491-7. PubMed PMID: 8968560; PubMed Central PMCID: PMC1915834.