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Merck
CN

59964

Histamine

analytical standard

Synonym(s):

2-(4-Imidazolyl)ethylamine

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About This Item

Empirical Formula (Hill Notation):
C5H9N3
CAS Number:
Molecular Weight:
111.15
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
EC Number:
200-100-6
Beilstein/REAXYS Number:
2012
MDL number:
Technical Service
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grade

analytical standard

Quality Level

assay

≥97.0% (TLC), ≥97.0% (anhydrous basis, NT)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

impurities

≤4.0% water

color

white to light yellow

bp

167 °C/0.8 mmHg (lit.)

mp

83-84 °C (lit.)

format

neat

storage temp.

−20°C

SMILES string

NCCc1c[nH]cn1

InChI

1S/C5H9N3/c6-2-1-5-3-7-4-8-5/h3-4H,1-2,6H2,(H,7,8)

InChI key

NTYJJOPFIAHURM-UHFFFAOYSA-N

Gene Information

human ... HRH1(3269)

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Biochem/physiol Actions

Endogenous H1 and H2 histamine receptor agonist; H1 activation mobilizes Ca2+; H2 activation stimulates adenylate cyclase activity in neurons; activates nitric oxide synthetase; potent vasodilator.
Endogenous H1 and H2 histamine receptor agonist; activates nitric oxide synthetase; potent vasodilator.


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pictograms

Skull and crossbonesHealth hazard

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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Ye Zhang et al.
Investigative ophthalmology & visual science, 56(1), 563-570 (2015-01-13)
We estimate and compare change in iris cross-sectional area (IA) after physiologic and pharmacologic mydriasis in subjects with different dominant mechanisms for primary angle closure. Anterior segment optical coherence tomography (AS-OCT) measurements in light, dark, and following pharmacologic dilation were
Mohamed H Shamji et al.
The Journal of allergy and clinical immunology, 135(4), 913-921 (2014-12-03)
Immunotherapy inhibits basophil histamine release, but the assay is cumbersome, and no one has studied the effects of immunotherapy withdrawal. Intracellular fluorochrome-labeled diamine oxidase (DAO) was used as a novel functional readout of basophil histamine release after immunotherapy. Results were
Andrea Strasser et al.
Trends in pharmacological sciences, 34(1), 13-32 (2012-12-12)
Histamine is a biogenic amine that exerts its biological effects as a neurotransmitter and local mediator via four histamine receptor (HR) subtypes (H(x)Rs) - H(1)R, H(2)R, H(3)R, and H(4)R - belonging to the superfamily of G-protein-coupled receptors (GPCRs). All four



Global Trade Item Number

SKUGTIN
59964-100MG04061832644769