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MedKoo Cat#: 319871 | Name: Esreboxetine

Description:

WARNING: This product is for research use only, not for human or veterinary use.

Esreboxetine, also known as PNU-165442 and (S,S)-Reboxetine, is a selective norepinephrine reuptake inhibitor which was under development by Pfizer for the treatment of neuropathic pain and fibromyalgia but failed to show significant benefit over currently available medications and was discontinued. It is the (+)-(S,S)-enantiomer of reboxetine and is even more selective in comparison. However, recently it has been shown that esreboxetine could be effective in fibromyalgia patients.

Chemical Structure

Esreboxetine
Esreboxetine
CAS#98819-76-2

Theoretical Analysis

MedKoo Cat#: 319871

Name: Esreboxetine

CAS#: 98819-76-2

Chemical Formula: C19H23NO3

Exact Mass: 313.1678

Molecular Weight: 313.40

Elemental Analysis: C, 72.82; H, 7.40; N, 4.47; O, 15.32

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.
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Related CAS #
No Data
Synonym
PNU-165442; PNU 165442; PNU165442; (S,S)-Reboxetine; Esreboxetine
IUPAC/Chemical Name
(S)-2-((S)-(2-ethoxyphenoxy)(phenyl)methyl)morpholine
InChi Key
CBQGYUDMJHNJBX-OALUTQOASA-N
InChi Code
InChI=1S/C19H23NO3/c1-2-21-16-10-6-7-11-17(16)23-19(15-8-4-3-5-9-15)18-14-20-12-13-22-18/h3-11,18-20H,2,12-14H2,1H3/t18-,19-/m0/s1
SMILES Code
CCOC1=CC=CC=C1O[C@H]([C@@H]2CNCCO2)C3=CC=CC=C3
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, not in water
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
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 313.40 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
1: Fujimori I, Yukawa T, Kamei T, Nakada Y, Sakauchi N, Yamada M, Ohba Y, Takiguchi M, Kuno M, Kamo I, Nakagawa H, Hamada T, Igari T, Okuda T, Yamamoto S, Tsukamoto T, Ishichi Y, Ueno H. Design, synthesis and biological evaluation of a novel series of peripheral-selective noradrenaline reuptake inhibitor. Bioorg Med Chem. 2015 Aug 1;23(15):5000-14. doi: 10.1016/j.bmc.2015.05.017. Epub 2015 May 15. PubMed PMID: 26051602. 2: Shen F, Tsuruda PR, Smith JA, Obedencio GP, Martin WJ. Relative contributions of norepinephrine and serotonin transporters to antinociceptive synergy between monoamine reuptake inhibitors and morphine in the rat formalin model. PLoS One. 2013 Sep 30;8(9):e74891. doi: 10.1371/journal.pone.0074891. eCollection 2013. PubMed PMID: 24098676; PubMed Central PMCID: PMC3787017. 3: Arnold LM, Hirsch I, Sanders P, Ellis A, Hughes B. Safety and efficacy of esreboxetine in patients with fibromyalgia: a fourteen-week, randomized, double-blind, placebo-controlled, multicenter clinical trial. Arthritis Rheum. 2012 Jul;64(7):2387-97. doi: 10.1002/art.34390. PubMed PMID: 22275142. 4: Arnold LM, Chatamra K, Hirsch I, Stoker M. Safety and efficacy of esreboxetine in patients with fibromyalgia: An 8-week, multicenter, randomized, double-blind, placebo-controlled study. Clin Ther. 2010 Aug;32(9):1618-32. doi: 10.1016/j.clinthera.2010.08.003. PubMed PMID: 20974319. 5: Klarskov N, Scholfield D, Soma K, Darekar A, Mills I, Lose G. Measurement of urethral closure function in women with stress urinary incontinence. J Urol. 2009 Jun;181(6):2628-33; discussion 2633. doi: 10.1016/j.juro.2009.01.114. Epub 2009 Apr 16. PubMed PMID: 19375093.