Buspirone

Modify Date: 2026-07-10 18:37:34

Buspirone Structure
Buspirone structure
Common Name Buspirone
CAS Number 36505-84-7 Molecular Weight 385.50300
Density 1.24g/cm3 Boiling Point 613.9ºC at 760 mmHg
Molecular Formula C21H31N5O2 Melting Point 41678ºC
MSDS N/A Flash Point 325.1ºC

 Use of Buspirone


Buspirone is an orally active 5-HT1A receptor agonist. Buspirone is a potent anticancer agent. Buspirone shows antiproliferative activity. Buspirone can be used for anxiety, depression and cancer research[1][2].

 Names

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

Name buspirone
Synonym More Synonyms

 Buspirone Biological Activity

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

Description Buspirone is an orally active 5-HT1A receptor agonist. Buspirone is a potent anticancer agent. Buspirone shows antiproliferative activity. Buspirone can be used for anxiety, depression and cancer research[1][2].
Related Catalog
In Vitro Buspirone (0-400 µg/mL; 6 hours) has cytotoxic effect in Lymphocytes[1].Buspirone (0-180 µg/mL; 0-3 hours; Lymphocytes)induces ROS formation, mitochondrial membrane potential collapse(MMP), lipid peroxidation, lysosomal damage and elevation of glutathione disulfide (GSSG)[1]. Cell Viability Assay[1] Cell Line: Lymphocytes Concentration: 0, 4, 20, 40, 200 and 400 µg/mL Incubation Time: 6 hours Result: Decreased cell viability in a dose-dependent manner.
In Vivo Buspirone (1-5 mg/kg; i.p. and i.g.; for 5 days; C57BL/6N mice) reduces anxiety/depression behaviors[2]. Buspirone (1-5 mg/kg; i.p. and i.g.; for 5 days; C57BL/6N mice) restores IS-shifted β-diversity in the gut microbiota[2]. Animal Model: Male C57BL/6N mice[2] Dosage: 1 and 5 mg/kg Administration: Oral gavage and intraperitoneal injection; for 5 days Result: Reduced TNF-α expression and NF-κB+/Iba1+ cell population in the hippocampus and myeloperoxidase activity and NF-κB+/CD11c+ cell population in the colon. Animal Model: Male C57BL/6N mice[2] Dosage: 1 and 5 mg/kg Administration: Oral gavage and intraperitoneal injection; for 5 days Result: Reduced the IS- or EC-induced gut Proteobacteria population.
References

[1]. Salimi A, et, al. Analysis of Toxicity Effects of Buspirone, Cetirizine and Olanzapine on Human Blood Lymphocytes: in Vitro Model. Curr Clin Pharmacol. 2018;13(2):120-127.

[2]. Kim JK, et, al. Buspirone alleviates anxiety, depression, and colitis; and modulates gut microbiota in mice. Sci Rep. 2021 Mar 17;11(1):6094.

 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.

Density 1.24g/cm3
Boiling Point 613.9ºC at 760 mmHg
Melting Point 41678ºC
Molecular Formula C21H31N5O2
Molecular Weight 385.50300
Flash Point 325.1ºC
Exact Mass 385.24800
PSA 69.64000
LogP 2.02900
InChIKey QWCRAEMEVRGPNT-UHFFFAOYSA-N
SMILES O=C1CC2(CCCC2)CC(=O)N1CCCCN1CCN(c2ncccn2)CC1
Storage condition 2-8°C

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
CL9910000
CHEMICAL NAME :
8-Azaspiro(4,5)decane-7,9-dione, 8-(4-(4-(2-pyrimidinyl)piperizinyl)butyl)-
CAS REGISTRY NUMBER :
36505-84-7
BEILSTEIN REFERENCE NO. :
0964904
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C21-H31-N5-O2
MOLECULAR WEIGHT :
385.57
WISWESSER LINE NOTATION :
T6VNV EXTJ B4- AT6N DNTJ D- BT6N CNJ&& E-& AL5XTJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Unreported
SPECIES OBSERVED :
Human
DOSE/DURATION :
399 mg/kg/19D-I
TOXIC EFFECTS :
Behavioral - changes in motor activity (specific assay)
REFERENCE :
DRFUD4 Drugs of the Future. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1975/76- Volume(issue)/page/year: 1,409,1976

 Safety Information

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

Hazard Codes T: Toxic;
Risk Phrases R25
Safety Phrases S45
RIDADR UN 2811 6.1/PG 3
WGK Germany 3
RTECS CL9915000
HS Code 2933990090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 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%

 Synonyms

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

Ansial
8-[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]-8-azaspiro(4.5)-decane-7,9-dione
EINECS 253-072-2
Anxiron
8-[4-(4-pyrimidin-2-ylpiperazin-1-yl)butyl]-8-azaspiro[4.5]decane-7,9-dione
MFCD00078569
Buspironum [INN-Latin]
Buspironum
Ansiced
Bespar
Buspirona [INN-Spanish]
[14C]-Buspirone
8-[4-[4-(pyrimidine-2-yl)-piperazine-1-yl]-butyl]-8-aza-spiro[4.5]decane-7,9-dione
Buspirona

 Buspirone | FAQ

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

Q: What is the CAS number of buspirone?
A: CAS number of buspirone is 36505-84-7.
Q: What is the melting point of buspirone?
A: Melting point of buspirone is 41678ºC.
Q: What are the upstream materials of buspirone?
A: Related upstream materials(CAS) of buspirone: 1075-89-4;81461-73-6;20980-22-7;80827-62-9;118286-98-9;5662-95-3;33386-20-8;118286-97-8;25032-23-9;110-52-1.
Q: What is the English name of buspirone?
A: The English name of buspirone is buspirone.
Q: What are the uses of buspirone?
A: Main uses of buspirone: Buspirone is an orally active 5-HT1A receptor agonist. Buspirone is a potent anticancer agent. Buspirone shows antiproliferative activity. Buspirone can be used for anxiety, depression and cancer research[1][2].
Q: What is the boiling point of buspirone?
A: Boiling point of buspirone is 613.9ºC at 760 mmHg.
Q: What is the molecular weight of buspirone?
A: Molecular weight of buspirone is 385.50300.
Q: What is the polar surface area (PSA) of buspirone?
A: Polar surface area (PSA) of buspirone is 69.64000.
Q: What is the molecular formula of buspirone?
A: Molecular formula of buspirone is C21H31N5O2.
Q: What is the safety information for buspirone?
A: Safety information for buspirone: S45.

 Buspironefactory

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

Shanghai Nianxing Industrial Co., Ltd
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