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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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Johanna Ungersboeck et al.
Nuclear medicine and biology, 39(7), 1087-1092 (2012-05-29)
Our aim was the optimization of radiochemical parameters for the microfluidic preparation of [(18)F]altanserin. The four main parameters evaluated were (1) precursor concentration, (2) reaction temperature, (3) bolus flow rate through the microreactor and (4) bolus volume. For the determination
Hans Rasmussen et al.
Archives of general psychiatry, 67(1), 9-16 (2010-01-06)
Postmortem investigations and the receptor affinity profile of atypical antipsychotics have implicated the participation of serotonin(2A) receptors in the pathophysiology of schizophrenia. Most postmortem studies point toward lower cortical serotonin(2A) binding in schizophrenic patients. However, in vivo studies of serotonin(2A)
Hans Rasmussen et al.
Psychopharmacology, 213(2-3), 583-592 (2010-07-09)
We have previously reported decreased frontal cortical serotonin2A receptor binding in 30 antipsychotic naïve first-episode schizophrenic patients and a relationship between this binding and positive psychotic symptoms. Until now, no longitudinal studies of serotonin2A receptor in first-episode antipsychotic-naïve schizophrenia patients
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
Lekshmi Santhosh et al.
Psychiatry research, 173(3), 212-217 (2009-08-18)
Postmortem studies show reductions in brain serotonin 2A (5-HT(2A)) receptors in Alzheimer's disease (AD). Converging evidence also suggests that serotonergic dysregulation may contribute to behavioral symptoms that frequently occur in AD. This study aimed to define regional reductions in 5-HT(2A)
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