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Serotonin hydrochloride


5-HT, 3-(2-Aminoethyl)-5-hydroxyindole hydrochloride, 5-Hydroxytryptamine hydrochloride
Empirical Formula (Hill Notation):
C10H12N2O · HCl
Número de CAS:
Peso molecular:
Número MDL:
ID de la sustancia en PubChem:

Nivel de calidad







white to off-white


149-154 °C (lit.)


H2O: 17 mg/mL
0.1 M HCl: 22 mg/mL
ethanol: 5.3 mg/mL

temp. de almacenamiento


SMILES string




InChI key


Gene Information

human ... HTR3A(3359)

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25 mg in poly bottle
1 g in glass bottle
100, 250 mg in glass bottle

Acciones bioquímicas o fisiológicas


Características y beneficios

This compound is featured on the Biogenic Amine Transporters page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Nota de preparación

Solutions should be freshly prepared.


Exclamation mark

Palabra de señalización


Clasificaciones de peligro

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Órganos de actuación

Respiratory system

Código de clase de almacenamiento

11 - Combustible Solids



Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Equipo de protección personal

dust mask type N95 (US), Eyeshields, Gloves

Certificado de Análisis

Introduzca el número de lote para buscar un certificado de análisis (COA).

Certificado de origen

Introduzca el número de lote para buscar un Certificado de origen (COO).

  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. Can I store solutions of Product H9523, Serotonin hydrochloride?

    Solutions of this product are unstable.  We recommend preparing this solution fresh for each application.

  6. Is Product H9523, Serotonin hydrochloride, the neurotransmitter serotonin?

    This product is the neurotransmitter serotonin.  Other synonyms for this product are 3-(2-Aminoethyl)-5-hydroxyindole hydrochloride, 5-HT, and 5-Hydroxytryptamine hydrochloride.

  7. What are the storage conditions for Product H9523, Serotonin hydrochloride?

    This product is a powder and should be refrigerated at 2-8°C. We do not recommend storing solutions of this product.

  8. Has Product H9523, Serotonin hydrochloride, been cell culture tested?

    No. We do not test this product for cell culture suitability.

  9. What is the purity of Product H9523, Serotonin hydrochloride?

    This product must be at least 98% pure according to our specifications.  The purity for individual lots can be found on the certificate of analysis.

  10. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Soaleha Shams et al.
Behavioral neuroscience, 131(6), 492-504 (2017-12-01)
Social isolation can be used to study behavioral, neural, and hormonal mechanisms that regulate interactions in social animals. Although isolation effects have been reported in social mammals and various fish species, systematic studies with isolated zebrafish are rare. Here, the
Kiyono Sekii et al.
Scientific reports, 9(1), 6132-6132 (2019-04-18)
Many flatworms can alternate between asexual and sexual reproduction. This is a powerful reproductive strategy enabling them to benefit from the features of the two reproductive modes, namely, rapid multiplication and genetic shuffling. The two reproductive modes are enabled by
Rhian Stavely et al.
Inflammatory bowel diseases, 24(5), 1021-1034 (2018-04-19)
Serotonin (5-hydroxytryptamine, 5-HT) has been linked with several inflammation-associated intestinal diseases, including ulcerative colitis (UC). The largest pool of 5-HT in the body is in enterochromaffin (EC) cells located throughout the intestinal tract. EC cells are mechanosensitive and detect noxious
Amber S Moody et al.
ACS chemical neuroscience, 9(6), 1380-1387 (2018-03-31)
The development of a sensor for the rapid and sensitive detection of neurotransmitters could provide a pathway for the diagnosis of neurological diseases, leading to the discovery of more effective treatment methods. We investigate the use of surface enhanced Raman
Divya Pattabiraman et al.
PLoS genetics, 13(3), e1006670-e1006670 (2017-03-25)
During meiotic prophase, a structure called the synaptonemal complex (SC) assembles at the interface between aligned pairs of homologous chromosomes, and crossover recombination events occur between their DNA molecules. Here we investigate the inter-relationships between these two hallmark features of

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