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A8106

Sigma-Aldrich

Altanserin hydrochloride hydrate

≥98% (HPLC), solid

Synonym(s):

3-[2-[4-(4-Fluorobenzoyl)-1-piperidinyl]ethyl]-2,3-dihydro-2-thioxo-4(1H)-quinazolinone hydrochloride hydrate

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About This Item

Empirical Formula (Hill Notation):
C22H22FN3O2S · HCl · xH2O
CAS Number:
76330-71-7
Molecular Weight:
447.95 (anhydrous basis)
MDL number:
MFCD11045280
UNSPSC Code:
12352200
PubChem Substance ID:
329770947
NACRES:
NA.77

Quality Level

100

Assay

≥98% (HPLC)

form

solid

solubility

DMSO: >5 mg/mL
H2O: insoluble

storage temp.

2-8°C

SMILES string

O.Cl.Fc1ccc(cc1)C(=O)C2CCN(CC2)CCN3C(=S)Nc4ccccc4C3=O

InChI

1S/C22H22FN3O2S.ClH.H2O/c23-17-7-5-15(6-8-17)20(27)16-9-11-25(12-10-16)13-14-26-21(28)18-3-1-2-4-19(18)24-22(26)29;;/h1-8,16H,9-14H2,(H,24,29);1H;1H2

InChI key

MFGBKMPKRJCLPK-UHFFFAOYSA-N

Application

Altanserin hydrochloride hydrate has been used in the pretreatment of rat brain samples and as a non-radioactive control in the calibration curve preparation for quantifying [18F]altanserin in high-performance liquid chromatography.
Altanserin hydrochloride hydrate is a specific 5-HT2/serotonergic antagonist and has been used in a study to assess serotonin release capacity in the human brain.

Biochem/physiol Actions

The radioligand of altanserin, [18F]altanserin is useful as a positron emission tomography (PET)-radioligand for the visualization and quantification of serotonin2A (5-HT2A) receptors.
Altanserin hydrochloride hydrate is a specific 5-HT2/serotonergic antagonist.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Hazard Classifications

Eye Irrit. 2

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Patrick J Riss et al.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 31(12), 2334-2342 (2011-07-14)
The 5-hydroxytryptamine type 2a (5-HT(2A)) selective radiotracer [(18)F]altanserin has been subjected to a quantitative micro-positron emission tomography study in Lister Hooded rats. Metabolite-corrected plasma input modeling was compared with reference tissue modeling using the cerebellum as reference tissue. [(18)F]altanserin showed
Hirokazu Nagatani et al.
Journal of anesthesia, 25(2), 225-228 (2011-03-02)
Blockade of 5-hydroxytryptamine (5-HT)(2A) receptors reportedly mediates or modulates the ability of isoflurane to produce immobility during noxious stimulation and would thereby influence MAC (the minimum alveolar concentration required to suppress movement in response to noxious stimulation in 50% of
Vibe G Frokjaer et al.
Psychoneuroendocrinology, 35(9), 1311-1320 (2010-04-02)
Sex-hormones influence brain function and are likely to play a role in the gender predisposition to mood and anxiety disorders. Acute fluctuations of sex-hormone levels including hormonal replacement therapy appear to affect serotonergic neurotransmission, but it is unknown if baseline
Boris B Quednow et al.
NeuroImage, 59(4), 3922-3932 (2011-10-15)
Although alterations of serotonin (5-HT) system functioning have been proposed for a variety of psychiatric disorders, a direct method quantitatively assessing 5-HT release capacity in the living human brain is still lacking. Therefore, we evaluated a novel method to assess
Hubertus Hautzel et al.
NeuroImage, 58(3), 905-911 (2011-07-05)
Behavioral and cellular studies indicate that serotonin interacting with the 5-HT2a receptor (5-HT2aR) is involved in cognitive processes supporting working memory (WM). However, 5-HT receptor neuroimaging studies directly relating WM-induced neuronal activations to concomitant changes in the availability of 5-HT
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