JNJ-18038683 free base

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MedKoo CAT#: 531982

CAS#: 851373-91-6 (free base)

Description: JNJ-18038683 is a 5-HT7 receptor antagonist which has been shown to be effective in models of depression and to increase the latency to rapid eye movement (REM) sleep and decrease REM duration. JNJ-18038683 enhanced serotonin transmission, antidepressant-like behavior, and REM sleep suppression induced by citalopram in rodents.


Chemical Structure

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JNJ-18038683 free base
CAS# 851373-91-6 (free base)

Theoretical Analysis

MedKoo Cat#: 531982
Name: JNJ-18038683 free base
CAS#: 851373-91-6 (free base)
Chemical Formula: C20H20ClN3
Exact Mass: 337.1346
Molecular Weight: 337.85
Elemental Analysis: C, 71.10; H, 5.97; Cl, 10.49; N, 12.44

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

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Related CAS #: 851376-05-1 (citrate)   851373-91-6 (free base)    

Synonym: JNJ-18038683; JNJ 18038683; JNJ18038683.

IUPAC/Chemical Name: 3-(4-chlorophenyl)-1-(phenylmethyl)-5,6,7,8-tetrahydro-4H-pyrazolo[5,4-d]azepine

InChi Key: UKJPMZGILXATGT-UHFFFAOYSA-N

InChi Code: InChI=1S/C20H20ClN3/c21-17-8-6-16(7-9-17)20-18-10-12-22-13-11-19(18)24(23-20)14-15-4-2-1-3-5-15/h1-9,22H,10-14H2

SMILES Code: ClC1=CC=C(C2=NN(CC3=CC=CC=C3)C4=C2CCNCC4)C=C1

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 337.85 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: Shelton J, Yun S, Losee Olson S, Turek F, Bonaventure P, Dvorak C, Lovenberg T, Dugovic C. Selective pharmacological blockade of the 5-HT7 receptor attenuates light and 8-OH-DPAT induced phase shifts of mouse circadian wheel running activity. Front Behav Neurosci. 2015 Jan 15;8:453. doi: 10.3389/fnbeh.2014.00453. PMID: 25642174; PMCID: PMC4295543.

2: Bonaventure P, Dugovic C, Kramer M, De Boer P, Singh J, Wilson S, Bertelsen K, Di J, Shelton J, Aluisio L, Dvorak L, Fraser I, Lord B, Nepomuceno D, Ahnaou A, Drinkenburg W, Chai W, Dvorak C, Sands S, Carruthers N, Lovenberg TW. Translational evaluation of JNJ-18038683, a 5-hydroxytryptamine type 7 receptor antagonist, on rapid eye movement sleep and in major depressive disorder. J Pharmacol Exp Ther. 2012 Aug;342(2):429-40. doi: 10.1124/jpet.112.193995. Epub 2012 May 8. PMID: 22570363.



Additional Information

Recent reports have illustrated a reciprocal relationship between circadian rhythm disruption and mood disorders. The 5-HT7 receptor may provide a crucial link between the two sides of this equation since the receptor plays a critical role in sleep, depression, and circadian rhythm regulation.