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Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Methyl-1-phenyl-4-(piperidinomethylene)-2-pyrazolin-5-one
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5496-04-8

5496-04-8 structure

5496-04-8 structure

Name: 3-Methyl-1-phenyl-4-(piperidinomethylene)-2-pyrazolin-5-one
Chemical Name: (4E)-5-methyl-2-phenyl-4-(piperidin-1-ylmethylidene)pyrazol-3-one
CAS Number: 5496-04-8
Molecular Formula: C₁₆H₁₉N₃O
Molecular Weight: 269.34200
Create Date: 2016-05-03 01:36:24
Modify Date: 2025-09-09 13:53:49

Name	(4E)-5-methyl-2-phenyl-4-(piperidin-1-ylmethylidene)pyrazol-3-one
Synonyms	5-methyl-2-phenyl-4-piperidin-1-ylmethylene-2,4-dihydro-pyrazol-3-one 5-Oxo-3-methyl-4-piperidinomethylen-1-phenyl-4,5-dihydro-pyrazol AmbscPOD_15/0510 1-Phenyl-3-methyl-4-piperidinomethylenpyrazolon-5 3-Methyl-4-piperidinomethylen-1-phenyl-pyrazolon-(5) 2,4-dihydro-5-methyl-2-phenyl-4-(1-piperidinylmethylene)-3H-pyrazol-3-one 3-Methyl-1-phenyl-4-(piperidinomethylene)-2-pyrazolin-5-one 1-phenyl-3-methyl-4-piperidinomethylene-5-pyrazolone 2-Pyrazolin-5-one,3-methyl-1-phenyl-4-(piperidinomethylene)

Density	1.18g/cm3
Boiling Point	375.5ºC at 760 mmHg
Molecular Formula	C₁₆H₁₉N₃O
Molecular Weight	269.34200
Flash Point	180.9ºC
Exact Mass	269.15300
PSA	35.91000
LogP	2.21740
Index of Refraction	1.623

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ9651000

CHEMICAL NAME :: 2-Pyrazolin-5-one, 3-methyl-1-phenyl-4-(piperidinomethylene)-

CAS REGISTRY NUMBER :: 5496-04-8

BEILSTEIN REFERENCE NO. :: 0616565

LAST UPDATED :: 199612

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C16-H19-N3-O

MOLECULAR WEIGHT :: 269.38

WISWESSER LINE NOTATION :: T6NTJ A1U- DT5NNVYJ BR& E1

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 :: >4 gm/kg

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

REFERENCE :: CHTPBA Chimica Therapeutica. (Paris, France) V.1-8, 1965-73. For publisher information, see EJMCA5. Volume(issue)/page/year: 3,17,1968

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >2 gm/kg

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

REFERENCE :: CHTPBA Chimica Therapeutica. (Paris, France) V.1-8, 1965-73. For publisher information, see EJMCA5. Volume(issue)/page/year: 3,17,1968

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Behavioral - convulsions or effect on seizure threshold Behavioral - analgesia Biochemical - Metabolism (Intermediary) - effect on inflammation or mediation of inflammation

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 19,1721,1969

HS Code	2933990090

Precursor 0
DownStream 2
107486-76-0 4702-90-3

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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