Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Azaperone
Price: Check
Purity: 99.0%
Stocking Period: 10 Day
Contact: Yang
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Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Azaperone
Price: ￥1478.0/100mg ￥6758.0/1g
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

ShangHai DC Chemicals Co.,Ltd
China
Product Name: Azaperone
Price: ￥Inquiry/1g
Purity: 98.9%
Stocking Period: 1 Day
Contact: Tony Lai
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DC Chemicals Limited
China
Product Name: Azaperone
Price: $300.0/1g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Azaperone
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
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1649-18-9

1649-18-9 structure

Name: Azaperone
Chemical Name: 1-(4-fluorophenyl)-4-(4-pyridin-2-ylpiperazin-1-yl)butan-1-one
CAS Number: 1649-18-9
Molecular Formula: C₁₉H₂₂FN₃O
Molecular Weight: 327.396
Catalog: API Nervous system medication Antipsychotic
Create Date: 2018-07-20 23:02:54
Modify Date: 2025-08-20 11:04:03
Azaperone (R-1929) acts as a dopamine antagonist but also has some antihistaminic and anticholinergic properties. Azaperone is a pyridinylpiperazine and butyrophenone neuroleptic drug with sedative and antiemetic effects, which is used mainly as a tranquilizer in veterinary medicine.

Name	1-(4-fluorophenyl)-4-(4-pyridin-2-ylpiperazin-1-yl)butan-1-one
Synonyms	1-[3-(4-Fluorobenzoyl)propyl]-4-(2-pyridyl)piperazine Suicalm 1-Butanone, 1- (4-fluorophenyl)-4-[4-(2-pyridinyl)-1-piperazinyl]- 1-Butanone, 1-(4-fluorophenyl)-4-(4-(2-pyridinyl)-1-piperazinyl)- 4'-Fluoro-4-[4-(2-pyridyl)-1-piperazinyl]butyrophenone 1-(4-fluoro-phenyl)-4-(4-pyridin-2-yl-piperazin-1-yl)-butan-1-one Stresnil Azaperon 1-(4-Fluorophenyl)-4-(4-(2-pyridinyl)-1-piperazinyl)-1-butanone Azaperone 1-Butanone, 1-(4-fluorophenyl)-4-[4-(2-pyridinyl)-1-piperazinyl]- Eucalmyl 1-(4-Fluorophenyl)-4-(4-(pyridin-2-yl)piperazin-1-yl)butan-1-one Sedaperone vet 1-(4-Fluorophenyl)-4-[4-(2-pyridinyl)-1-piperazinyl]-1-butanone 1-(4-fluorophenyl)-4-[4-(pyridin-2-yl)piperazin-1-yl]butan-1-one Fluoperidol 1-<3-(4-Fluorbenzoyl)propyl>-4-(2-pyridyl)piperazin EINECS 216-715-8 MFCD00866692 R-1929 {4'-Fluoro-4-[4-(2-pyridyl)-1-piperazinyl]butyrophenone} Butyrophenone, 4'-fluoro-4-[4- (2-pyridyl)-1-piperazinyl]- Azeperone Azaperone (USP)

Description	Azaperone (R-1929) acts as a dopamine antagonist but also has some antihistaminic and anticholinergic properties. Azaperone is a pyridinylpiperazine and butyrophenone neuroleptic drug with sedative and antiemetic effects, which is used mainly as a tranquilizer in veterinary medicine.
Related Catalog	Signaling Pathways >> GPCR/G Protein >> Dopamine Receptor Signaling Pathways >> Neuronal Signaling >> Dopamine Receptor Research Areas >> Neurological Disease

Density	1.2±0.1 g/cm3
Boiling Point	499.5±45.0 °C at 760 mmHg
Melting Point	92-95ºC
Molecular Formula	C₁₉H₂₂FN₃O
Molecular Weight	327.396
Flash Point	255.9±28.7 °C
Exact Mass	327.174683
PSA	36.44000
LogP	2.50
Vapour Pressure	0.0±1.3 mmHg at 25°C
Index of Refraction	1.568
Storage condition	0-6°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EU4550000

CHEMICAL NAME :: Butyrophenone, 4'-fluoro-4-(4-(2-pyridyl)-1-piperazinyl)-

CAS REGISTRY NUMBER :: 1649-18-9

BEILSTEIN REFERENCE NO. :: 0565491

LAST UPDATED :: 199612

DATA ITEMS CITED :: 10

MOLECULAR FORMULA :: C19-H22-F-N3-O

MOLECULAR WEIGHT :: 327.44

WISWESSER LINE NOTATION :: T6N DNTJ D3VR DF& A- BT6NJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 245 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - ptosis Behavioral - somnolence (general depressed activity) Behavioral - tremor

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 24,1798,1974

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 450 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - ptosis Behavioral - somnolence (general depressed activity) Behavioral - tremor

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 24,1798,1974

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 25 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972 Volume(issue)/page/year: -,185,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 385 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - ptosis Behavioral - somnolence (general depressed activity) Behavioral - tremor

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 24,1798,1974

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 63 mg/kg

TOXIC EFFECTS :: Behavioral - changes in motor activity (specific assay) Behavioral - rigidity (including catalepsy)

REFERENCE :: FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 35,605,1980

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 179 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 27ZQAG "Psychotropic Drugs and Related Compounds," 2nd ed., Usdin, E., and D.H. Efron, Washington, DC, 1972 Volume(issue)/page/year: -,185,1972

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 42 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - ptosis Behavioral - somnolence (general depressed activity) Behavioral - tremor

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 24,1798,1974

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: >20 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - ptosis Behavioral - somnolence (general depressed activity) Gastrointestinal - nausea or vomiting

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 24,1798,1974

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: >40 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - ptosis Behavioral - somnolence (general depressed activity) Gastrointestinal - nausea or vomiting

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 24,1798,1974

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 202 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Behavioral - convulsions or effect on seizure threshold

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 24,1798,1974

Symbol	GHS06
Signal Word	Danger
Hazard Statements	H301
Precautionary Statements	Missing Phrase - N15.00950417
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes	Xn: Harmful;
Risk Phrases	R22
RIDADR	UN2811 6.1/PG 3
RTECS	EU4550000
HS Code	2942000000

34803-66-2

3874-54-2

~50%

1649-18-9

Literature: Jaen; Caprathe; Pugsley; Wise; Akunne Journal of Medicinal Chemistry, 1993 , vol. 36, # 24 p. 3929 - 3936

Precursor 2
34803-66-2 3874-54-2
DownStream 1
2804-05-9

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%

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