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Merck

Y0000671

Capsaicin

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

8-Methyl-N-vanillyl-trans-6-nonenamide

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About This Item

Linear Formula:
(CH3)2CHCH=CH(CH2)4CONHCH2C6H3-4-(OH)-3-(OCH3)
CAS Number:
404-86-4
Molecular Weight:
305.41
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329831085
EC Number:
206-969-8
Beilstein/REAXYS Number:
2816484
MDL number:
MFCD00017259

Key Documents

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InChI key

YKPUWZUDDOIDPM-SOFGYWHQSA-N

InChI

1S/C18H27NO3/c1-14(2)8-6-4-5-7-9-18(21)19-13-15-10-11-16(20)17(12-15)22-3/h6,8,10-12,14,20H,4-5,7,9,13H2,1-3H3,(H,19,21)/b8-6+

SMILES string

COc1cc(CNC(=O)CCCC\C=C\C(C)C)ccc1O

grade

pharmaceutical primary standard

agency

EP Reference Standard

API family

capsaicin

manufacturer/tradename

EDQM

mp

62-65 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

Gene Information

human ... TRPV1(7442)

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Capsaicin EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Biochem/physiol Actions

Prototype vanilloid receptor agonist. Neurotoxin; activates sensory neurons that give rise to unmyelinated C-fibers, many of which contain substance P. Topical application desensitizes the sensory nerve endings giving a paradoxical antinociceptive effect; systemic administration can be neurotoxic to capsaicin-sensitive cells, especially in newborn animals. Active component of chili peppers.
Prototype vanilloid receptor agonist; neurotoxin. Active component of chili peppers.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

signalword

Danger

Hazard Classifications

Acute Tox. 2 Oral - Eye Dam. 1 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

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Jennifer Leech et al.
American journal of respiratory and critical care medicine, 188(9), 1069-1075 (2013-10-08)
Antitussive therapies are accompanied by a substantial placebo effect, indicating that inhibitory circuits in the brain have a significant capacity to regulate cough neural processing. However, essentially nothing is known about the identity of these inhibitory circuits or how they
Sheena Derry et al.
The Cochrane database of systematic reviews, 2(2), CD007393-CD007393 (2013-03-02)
Topical creams with capsaicin are used to treat peripheral neuropathic pain. Following application to the skin capsaicin causes enhanced sensitivity, followed by a period with reduced sensitivity and, after repeated applications, persistent desensitisation. High-concentration (8%) capsaicin patches were developed to
Astrid J Terkelsen et al.
Anesthesiology, 120(5), 1225-1236 (2014-03-14)
Complex regional pain syndrome is multifactorial. Exaggerated inflammatory responses to limb injury may be involved. The authors hypothesized that capsaicin-induced pain and neurogenic inflammation (skin perfusion and flare area) are increased in patients with complex regional pain syndrome compared with
Farzad Alemi et al.
The Journal of clinical investigation, 123(4), 1513-1530 (2013-03-26)
Patients with cholestatic disease exhibit pruritus and analgesia, but the mechanisms underlying these symptoms are unknown. We report that bile acids, which are elevated in the circulation and tissues during cholestasis, cause itch and analgesia by activating the GPCR TGR5.
K Ibrahimi et al.
Cephalalgia : an international journal of headache, 34(7), 514-522 (2014-01-07)
During migraine, trigeminal sensory nerve terminals release calcitonin gene-related peptide (CGRP), inducing nociception and vasodilation. Applied on the skin, capsaicin activates the transient receptor potential vanilloid type 1 (TRPV1) channel and releases CGRP from sensory nerve terminals, thus increasing dermal
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