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Product Name: Urea, 3-(4-antipyrinyl)-1-phenyl-2-thio-
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51641-29-3

51641-29-3 structure

51641-29-3 structure

Name: Urea, 3-(4-antipyrinyl)-1-phenyl-2-thio-
Chemical Name: 1-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-3-phenylthiourea
CAS Number: 51641-29-3
Molecular Formula: C₁₈H₁₈N₄OS
Molecular Weight: 338.42700
Create Date: 2016-02-09 07:17:26
Modify Date: 2024-01-09 12:13:29

Name	1-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-3-phenylthiourea
Synonyms	1-Phenyl-3-(4-antipyryl)-2-thiourea Urea,3-(4-antipyrinyl)-1-phenyl-2-thio 1-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3-phenyl-thiourea 3-(4-Antipyrinyl)-1-phenyl-2-thiourea N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N'-phenylthiourea F0039-0145

Density	1.33g/cm3
Boiling Point	458.7ºC at 760 mmHg
Molecular Formula	C₁₈H₁₈N₄OS
Molecular Weight	338.42700
Flash Point	231.2ºC
Exact Mass	338.12000
PSA	83.08000
LogP	3.43930
Index of Refraction	1.711

CHEMICAL IDENTIFICATION

RTECS NUMBER :: YR8936000

CHEMICAL NAME :: Urea, 3-(4-antipyrinyl)-1-phenyl-2-thio-

CAS REGISTRY NUMBER :: 51641-29-3

BEILSTEIN REFERENCE NO. :: 0323617

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C18-H18-N4-O-S

MOLECULAR WEIGHT :: 338.46

WISWESSER LINE NOTATION :: T5NNVJ A1 BR& DMYUS&MR& E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 180 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#01136

HS Code	2933199090

83-07-8 structure

83-07-8

103-72-0 structure

103-72-0

~98%

51641-29-3 structure

51641-29-3

Literature: Begum, Saeedan; Choudhary, M. Iqbal; Khan, Khalid M. Natural Product Research, 2009 , vol. 23, # 18 p. 1719 - 1730

74497-02-2 structure

74497-02-2

~%

51641-29-3 structure

51641-29-3

Literature: Takahashi; Kanematsu Yakugaku Zasshi, 1959 , vol. 79, p. 172,175 Chem.Abstr., 1959 , p. 13138

Precursor 2
83-07-8 103-72-0
DownStream 0

HS Code	2933199090
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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