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Merck
CN

O003

Sigma-Aldrich

β-Funaltrexamine hydrochloride

Opioid receptor antagonist, solid

Synonym(s):

β-FNA hydrochloride, (E)-4-[[(5α,6β)-17-(Cyclopropylmethyl)-4,5-epoxy-3,14-dihydroxymorphinan-6-yl]amino]-4-oxo-2-butenoic acid methyl ester hydrochloride

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About This Item

Empirical Formula (Hill Notation):
C25H30N2O6 · HCl
CAS Number:
72786-10-8
Molecular Weight:
490.98
MDL number:
MFCD10565941
UNSPSC Code:
12352116
PubChem Substance ID:
24897921
NACRES:
NA.77

Key Documents

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Product Name

β-Funaltrexamine hydrochloride, solid

form

solid

drug control

regulated under CDSA - not available from Sigma-Aldrich Canada

storage condition

desiccated

color

white

solubility

H2O: 7.5 mg/mL (aqueous solutions should be promptly used)
methanol: 7.6 mg/mL (do not store in ethanolic solution; methanolic solutions may be stored for several weeks at 4 °C)

storage temp.

−20°C

SMILES string

Cl.COC(=O)\C=C\C(=O)N[C@@H]1CC[C@@]2(O)[C@H]3Cc4ccc(O)c5OC1[C@]2(CCN3CC6CC6)c45

InChI

1S/C25H30N2O6.ClH/c1-32-20(30)7-6-19(29)26-16-8-9-25(31)18-12-15-4-5-17(28)22-21(15)24(25,23(16)33-22)10-11-27(18)13-14-2-3-14;/h4-7,14,16,18,23,28,31H,2-3,8-13H2,1H3,(H,26,29);1H/b7-6+;/t16-,18-,23+,24+,25-;/m1./s1

InChI key

BIPHUOBUKMPSQR-NQGXHZAGSA-N

Related Categories

Biochem/physiol Actions

Selective irreversible μ opioid receptor antagonist that is also a κ opioid receptor agonist.

Features and Benefits

This compound is featured on the Opioid Receptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
0000211518
0000211518
0000100179
0000081146
054M4613V

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R M Rezende et al.
Pharmacology, 89(3-4), 127-136 (2012-03-15)
In this study we analyzed the mechanisms underlying celecoxib-induced analgesia in a model of inflammatory pain in rats, using the intracerebroventricular (i.c.v.) administration of selective opioid and cannabinoid antagonists. Analgesic effects of celecoxib were prevented by selective μ-(β-funaltrexamine) and δ-(naltrindole)
N R Lenard et al.
International journal of obesity (2005), 34(6), 1001-1010 (2010-01-13)
To test the hypothesis that micro-opioid receptor signaling in the nucleus accumbens contributes to hedonic (over)eating and obesity. To investigate the effects of chronic micro-opioid antagonism in the nucleus accumbens core or shell on intake of a palatable diet, and
Erin N Bobeck et al.
The journal of pain : official journal of the American Pain Society, 13(8), 799-807 (2012-07-07)
Systemic administration of morphine typically produces greater tolerance than higher efficacy mu-opioid receptor (MOPr) agonists such as fentanyl. The objective of the present study was to test this relationship by measuring antinociceptive efficacy and tolerance to morphine and fentanyl microinjected
Lucía Hipólito et al.
Neurochemistry international, 59(5), 559-562 (2011-06-23)
Salsolinol (Sal), locally administered into the posterior VTA (pVTA) of rats, produces psychomotor responses and reinforcing effects, probably, through the activation of μ-opioid receptors (MORs). The neurochemical correlates of these phenomena are, however, practically unknown. In this paper, we explore
Andrea Bedini et al.
Peptides, 31(11), 2135-2140 (2010-08-18)
We previously described a novel cyclic endomorphin-1 analog c[Tyr-D-Pro-D-Trp-Phe-Gly] (c[YpwFG]), acting as a mu-opioid receptor (MOR) agonist. This study reports that c[YpwFG] is more lipophilic and resistant to enzymatic hydrolysis than endomorphin-1 and produces preemptive antinociception in a mouse visceral
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Protocols

LC/MS Analysis of Opioid Glucuronide Metabolites in Urine on Ascentis® Express F5 after Solid Phase Extraction (SPE) using Supel™-Select HLB

LC/MS Analysis of Opioid Glucuronide Metabolites in Urine on Ascentis® Express F5 after Solid Phase Extraction (SPE) using Supel™-Select HLB

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