Serotonin hydrochloride

Modify Date: 2026-07-01 00:44:13

Serotonin hydrochloride Structure
Serotonin hydrochloride structure
Common Name Serotonin hydrochloride
CAS Number 153-98-0 Molecular Weight 212.676
Density N/A Boiling Point 416.1ºC at 760 mmHg
Molecular Formula C10H13ClN2O Melting Point 149-154 °C(lit.)
MSDS Chinese USA Flash Point 205.4ºC
Symbol GHS07
GHS07
Signal Word Warning

 Use of Serotonin hydrochloride


Serotonin hydrochloride is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin hydrochloride is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.

Summary: Serotonin hydrochloride, also known as 5-hydroxytryptamine hydrochloride, Chinese name: 血清胺盐酸盐, CAS number: 153-98-0, molecular formula: C10H13ClN2O, molecular weight: 212.676. It is a white to off-white powder, with a melting point of 149-154°C. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Serotonin hydrochloride
Synonym More Synonyms

 Serotonin hydrochloride Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Serotonin hydrochloride is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin hydrochloride is also a catechol O-methyltransferase (COMT) inhibitor with a Ki of 44 μM.
Related Catalog
Target

5-HT receptor[1] Ki: 44 μM (COMT)[1]

In Vitro Serotonin hydrochloride is a monoamine neurotransmitter in the CNS and an endogenous 5-HT receptor agonist. Serotonin hydrochloride also inhibits catechol O-methyltransferase (COMT), an enzyme that contributes to modultion the perception of pain, via non-competitive binding to the site bound by catechol substrates with a binding affinity comparable to the binding affinity of catechol itself (Ki= 44 μM). Results show that addition of 100 μM of Serotonin hydrochloride decreases the reaction velocity of COMT[1].
In Vivo Serotonin hydrochloride produces robust hypersensitivity compare to saline-treated controls (p<0.001)[1]. A significant increase in colonic 5-HT content is observed in IL-13-/- mice receiving Serotonin hydrochloride compare to IL-13-/- receiving vehicle following induction of DSS colitis[2].
Cell Assay For macrophage culture, peritoneal cavity cells are collected from WT and IL-13-/- mice with or without dextran sodium sulfate (DSS) treatment and cultured. Cells are plated at a concentration of 3.0×106 cells per millilitre, and treated with either lipopolysaccharides (LPS); (100 ng/mL) or Serotonin hydrochloride (10-10 M) for 24 hours. The culture supernatant are collected and stored in -80°C until determination of cytokine levels using protein array system[2].
Animal Admin Dextran sodium sulfate (DSS) colitis is induced by orally administering 5% DSS in drinking water for 5 days. In a separate experiment, IL-13-/- mice are injected subcutaneously with 100 mg/kg of Serotonin hydrochloride (5-HTP) twice daily for 8 days beginning 3 days prior to induction of DSS colitis; whereas, the control IL-13-/- mice receive saline as vehicle. Animals are anaesthetized prior to euthanization via cervical dislocation at the conclusion of each experiment or if they reach a predetermined end point (ie, loss of ≥20% body weight and/or significant deterioration of body condition)[2].
References

[1]. Tsao D, et al. Serotonin-induced hypersensitivity via inhibition of catechol O-methyltransferase activity. Mol Pain. 2012 Apr 13;8:25.

[2]. Shajib MS, et al. Interleukin 13 and serotonin: linking the immune and endocrine systems in murine models of intestinal inflammation. PLoS One. 2013 Aug 28;8(8):e72774.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Boiling Point 416.1ºC at 760 mmHg
Melting Point 149-154 °C(lit.)
Molecular Formula C10H13ClN2O
Molecular Weight 212.676
Flash Point 205.4ºC
Exact Mass 212.071640
PSA 62.04000
LogP 2.87700
Vapour Pressure 1.63E-07mmHg at 25°C
InChIKey MDIGAZPGKJFIAH-UHFFFAOYSA-N
SMILES Cl.NCCc1c[nH]c2ccc(O)cc12
Storage condition 2-8°C
Stability Stable, but light sensitive and hygroscopic. Incompatible with strong oxidizing agents.
Water Solubility soluble

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H302-H312-H315-H319-H332-H335
Precautionary Statements P261-P280-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xn:Harmful;
Risk Phrases R20/21/22;R36/37/38
Safety Phrases S22-S26-S36
RIDADR UN2811
WGK Germany 3
RTECS NM2571000
Packaging Group III
Hazard Class 6.1
HS Code 2933990090

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles41

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Chemical genetics reveals a complex functional ground state of neural stem cells.

Nat. Chem. Biol. 3(5) , 268-273, (2007)

The identification of self-renewing and multipotent neural stem cells (NSCs) in the mammalian brain holds promise for the treatment of neurological diseases and has yielded new insight into brain canc...

Simultaneous determination of the repertoire of classical neurotransmitters released from embryonal carcinoma stem cells using online microdialysis coupled with hydrophilic interaction chromatography–tandem mass spectrometry

Anal. Chim. Acta 849 , 70-9, (2014)

[Display omitted]

Evaluation of thein vitro/in vivodrug interaction potential of BST204, a purified dry extract of ginseng, and its four bioactive ginsenosides through cytochrome P450 inhibition/induction and UDP-glucuronosyltransferase inhibition

Food Chem. Toxicol. 68 , 117-27, (2014)

• BST204 is a purified dry extract of ginseng containing high amounts of Rh2 and Rg3. • BST204 had only weak inhibitory effects on nine CYPs and five UGTs. • It is unlikely that BST204 alter pharmacok...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

3-(2-aminoethyl)-1H-indol-5-ol,hydrochloride
3-(2-Aminoethyl)-1H-indol-5-ol hydrochloride
3-(2-Aminoethyl)-5-hydroxyindole hydrochloride,5-HT,5-Hydroxytryptamine hydrochloride
5-hydroxytryptamine hydrochloride
Serotonin HCl
1H-Indol-5-ol, 3-(2-aminoethyl)-, hydrochloride (1:1)
3-(2-Aminoethyl)-1H-indol-5-ol hydrochloride (1:1)
EINECS 244-464-4
MFCD00012686
5-Hydroxytryptamine HCl

 Serotonin hydrochloride | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the LogP of Serotonin hydrochloride?
A: LogP of Serotonin hydrochloride is 2.87700.
Q: What is the safety information for Serotonin hydrochloride?
A: Safety information for Serotonin hydrochloride: S22-S26-S36.
Q: What is the polar surface area (PSA) of Serotonin hydrochloride?
A: Polar surface area (PSA) of Serotonin hydrochloride is 62.04000.
Q: What is the English name of Serotonin hydrochloride?
A: The English name of Serotonin hydrochloride is Serotonin hydrochloride.
Q: What is the molecular weight of Serotonin hydrochloride?
A: Molecular weight of Serotonin hydrochloride is 212.676.
Q: How is the water solubility of Serotonin hydrochloride?
A: Water solubility of Serotonin hydrochloride: soluble.
Q: What is the melting point of Serotonin hydrochloride?
A: Melting point of Serotonin hydrochloride is 149-154 °C(lit.).
Q: What is the molecular formula of Serotonin hydrochloride?
A: Molecular formula of Serotonin hydrochloride is C10H13ClN2O.
Q: What is the boiling point of Serotonin hydrochloride?
A: Boiling point of Serotonin hydrochloride is 416.1ºC at 760 mmHg.
Q: What is the CAS number of Serotonin hydrochloride?
A: CAS number of Serotonin hydrochloride is 153-98-0.

 Serotonin hydrochloridefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
BioBioPha
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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