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SML0909

Sigma-Aldrich

Nefopam hydrochloride

≥98% (HPLC)

Synonym(s):

3,4,5,6-Tetrahydro-5-methyl-1-phenyl-1H-2,5-benzoxazocine hydrochloride, 5-Methyl-1-phenyl-1,3,4,6-tetrahydro-5H-benz[f]-2,5-oxazocine hydrochloride

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10 MG
$73.05
50 MG
$283.10

About This Item

Empirical Formula (Hill Notation):
C17H19NO · HCl
CAS Number:
23327-57-3
Molecular Weight:
289.80
EC Number:
245-585-5
MDL number:
MFCD00012750
UNSPSC Code:
12352200
PubChem Substance ID:
329825616
NACRES:
NA.77

$73.05

List Price$76.90Save 5%
Web-Only Promotion

Available to ship onApril 29, 2025Details

Request a Bulk Order

Quality Level

100

assay

≥98% (HPLC)

form

powder

storage condition

desiccated

color

white to beige

mp

260 °C (dec.) (lit.)

solubility

H2O: 5 mg/mL, clear

storage temp.

2-8°C

SMILES string

Cl.CN1CCOC(c2ccccc2)c3ccccc3C1

InChI

1S/C17H19NO.ClH/c1-18-11-12-19-17(14-7-3-2-4-8-14)16-10-6-5-9-15(16)13-18;/h2-10,17H,11-13H2,1H3;1H

InChI key

CNNVSINJDJNHQK-UHFFFAOYSA-N

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Application

Nefopam hydrochloride has been used as a standard for the quantitative determination of tramadol by gas chromatography–mass spectrometry (GC/MS).[1]

Biochem/physiol Actions

Nefopam is a centrally-acting analgesic drug of the benzoxazocine chemical class. Nefopam is a non-opioid, but has a potentiating effect on morphine and other opioids. Its mechanism of action is not certain, but may involve its action as a dopamine/serotonin/norepinephrine reuptake inhibitor.
Nefopam is a centrally-acting non-opioid analgesic drug of the benzoxazocine chemical class.

Features and Benefits

This compound is a featured product for Neuroscience research. Click here to discover more featured Neuroscience products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000430941
0000430941
0000379729
0000379728
0000378863

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Bethan L Richards et al.
The Journal of rheumatology. Supplement, 90, 28-33 (2012-09-04)
To determine the efficacy and safety of neuromodulators for pain management in patients with inflammatory arthritis. A Cochrane systematic review was performed as part of the 3e Initiative on pain management in inflammatory arthritis. We searched Medline, Embase, and Cochrane
Yoshie Taniguchi et al.
Anesthesia and analgesia, 111(2), 409-414 (2010-06-10)
Mild hypothermia has been shown to improve neurologic outcome after cardiac arrest. Nefopam, a centrally acting, nonsedative analgesic, decreases the threshold of shivering, but not vasoconstriction, and thus might be a suitable drug for induction of therapeutic hypothermia. However, not
A C Van Elstraete et al.
Minerva anestesiologica, 79(3), 232-239 (2012-12-18)
The analgesic efficacy of nefopam and of paracetamol has been shown in the postoperative period after mild- and moderate-pain surgery. The aim of this study was to define the median effective analgesic doses of each drug and of their combination
P Deras et al.
Annales francaises d'anesthesie et de reanimation, 32(6), 402-408 (2013-06-01)
To assess the improvement of practices in postoperative analgesia after a cesarean section post implementation of a corrective program. Prospective impact study. After obtaining ethics approval, we included all patients undergoing a cesarean section at Montpellier University Hospital during February
Jean-Francois Payen et al.
Journal of critical care, 28(4), 534-534 (2013-03-26)
We searched for factors independently associated with the prescription of multimodal (balanced) analgesia in mechanically ventilated critically ill patients. In this post hoc analysis of a cohort study, 172 patients who received a combination of 1 opioid with nonopioids, that
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