Dayang Chem (Hangzhou) Co., Ltd.
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Product Name: Pyrantel tartrate
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Purity: 98.0%
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33401-94-4

33401-94-4 structure

Name: Pyrantel tartrate
Chemical Name: pyrantel tartrate salt
CAS Number: 33401-94-4
Molecular Formula: C₁₅H₂₀N₂O₆S
Molecular Weight: 356.39400
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Thiophene
Create Date: 2018-03-07 08:00:00
Modify Date: 2025-08-26 18:31:19
Pyrantel tartrate is an antinematodal thiophene; nicotinic receptor agonist and can elicit spastic muscle paralysis in parasitic worms due to prolonged activation of the excitatory nicotinic acetylcholine (nACh) receptors on body wall muscle.

Name	pyrantel tartrate salt
Synonyms	Pyrantel tartrate Pyranteltartrat Pyrantel (+)-tartrate salt Pyrantel Tartate 1-Methyl-2-(2-[2-thienyl]ethenyl)-1,4,5,6-tetrahydropyrimidine pyrantel hydrogen tartrate Pyrantel (tartrate)

Description	Pyrantel tartrate is an antinematodal thiophene; nicotinic receptor agonist and can elicit spastic muscle paralysis in parasitic worms due to prolonged activation of the excitatory nicotinic acetylcholine (nACh) receptors on body wall muscle.
Related Catalog	Signaling Pathways >> Anti-infection >> Parasite Research Areas >> Infection
References	[1]. Aceves J, et al. The mechanism of the paralysing action of tetramisole on Ascaris somatic muscle. Br J Pharmacol. 1970 May;38(3):602-7. [2]. Aubry ML, et al. Aspects of the pharmacology of a new anthelmintic: pyrantel. Br J Pharmacol. 1970 Feb;38(2):332-44.

Boiling Point	324.4ºC at 760 mmHg
Melting Point	148-150ºC
Molecular Formula	C₁₅H₂₀N₂O₆S
Molecular Weight	356.39400
Flash Point	150ºC
Exact Mass	356.10400
PSA	158.90000
Storage condition	2-8℃
Water Solubility	H2O: soluble4.0ML, clear, colorless to faint yellow or tan (Solvent: 200 mg plus 4.0 mL )

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UW0249000

CAS REGISTRY NUMBER :: 33401-94-4

LAST UPDATED :: 199706

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C11-H14-N2-S.C4-H6-O6

MOLECULAR WEIGHT :: 356.43

WISWESSER LINE NOTATION :: T6N CN AUTJ B1U1- BT5SJ& C1 &QVYQYQVQ

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 :: 170 mg/kg

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

REFERENCE :: AUVJA2 Australian Veterinary Journal. (Australian Veterinary Assoc., Executive Director, 134-136 Hampden Road, Artarmon, N.S.W., Australia) V.2- 1927- Volume(issue)/page/year: 46,297,1970

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 123 mg/kg

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

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 5,305,1971

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

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >25 mg/kg

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

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 5,305,1971

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2220 ug/kg

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

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 5,305,1971

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Mammal - cattle

DOSE/DURATION :: >200 mg/kg

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

REFERENCE :: AUVJA2 Australian Veterinary Journal. (Australian Veterinary Assoc., Executive Director, 134-136 Hampden Road, Artarmon, N.S.W., Australia) V.2- 1927- Volume(issue)/page/year: 46,297,1970 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 6750 mg/kg/90D-I

TOXIC EFFECTS :: Gastrointestinal - ulceration or bleeding from large intestine Gastrointestinal - other changes

REFERENCE :: AUVJA2 Australian Veterinary Journal. (Australian Veterinary Assoc., Executive Director, 134-136 Hampden Road, Artarmon, N.S.W., Australia) V.2- 1927- Volume(issue)/page/year: 46,297,1970 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X9280 No. of Facilities: 498 (estimated) No. of Industries: 1 No. of Occupations: 8 No. of Employees: 3688 (estimated)

Symbol	GHS06
Signal Word	Danger
Hazard Statements	H301
Precautionary Statements	P301 + P310
Personal Protective Equipment	Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes	T
Risk Phrases	R25
Safety Phrases	45
RIDADR	UN 2811 6.1/PG 3
WGK Germany	3
RTECS	UW0249000
Packaging Group	III
Hazard Class	6.1(b)

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