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105219-56-5

105219-56-5 structure

105219-56-5 structure

Name: Apafant
Chemical Name: Apafant
CAS Number: 105219-56-5
Molecular Formula: C₂₂H₂₂ClN₅O₂S
Molecular Weight: 455.96
Catalog: Research Areas Inflammation/Immunology
Create Date: 2018-10-02 20:06:42
Modify Date: 2025-09-03 18:38:39
Apafant (WEB 2086), a potent platelet-activating factor (PAF) antagonist, inhibits PAF binding to human PAF receptors with a Ki of 9.9 nM[1].

Name	Apafant
Synonyms	3-[4-(2-Chlorophenyl)-9-methyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-2-yl]-1-(morpholin-4-yl)propan-1-one 4-[3-[4-(2-chlorophenyl)-9-methyl-6h-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-2-yl]-1-oxopropyl]morpholine Apafant 3-[4-(2-Chlorophenyl)-9-methyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepin-2-yl]-1-(4-morpholinyl)-1-propanone

Description	Apafant (WEB 2086), a potent platelet-activating factor (PAF) antagonist, inhibits PAF binding to human PAF receptors with a Ki of 9.9 nM[1].
Related Catalog	Signaling Pathways >> Others >> Others Research Areas >> Inflammation/Immunology
Target	Ki: 9.9 nM (Platelet-activating factor)[1]
References	[1]. Kato M, et al. Apafant, a potent platelet-activating factor antagonist, blocks eosinophil activation and is effective in the chronic phase of experimental allergic conjunctivitis in guinea pigs. J Pharmacol Sci. 2004 Aug;95(4):435-42.

Density	1.5±0.1 g/cm3
Boiling Point	720.2±70.0 °C at 760 mmHg
Melting Point	186-188ºC
Molecular Formula	C₂₂H₂₂ClN₅O₂S
Molecular Weight	455.96
Flash Point	389.4±35.7 °C
Exact Mass	455.118286
PSA	100.85000
LogP	1.32
Vapour Pressure	0.0±2.3 mmHg at 25°C
Index of Refraction	1.734
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QE0479700

CHEMICAL NAME :: Morpholine, 4-((4-(2-chlorophenyl)-9-methyl-6H-thieno(3,2-f)(1,2, 4)triazolo(4,3-a)(1,4) diazepin-2-yl)-1-oxopropyl)-

CAS REGISTRY NUMBER :: 105219-56-5

LAST UPDATED :: 199706

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C22-H22-Cl-N5-O2-S

MOLECULAR WEIGHT :: 456.00

WISWESSER LINE NOTATION :: T B575 AN CS HN KNN GHJ D2V- AT6N DOTJ& GR BG M1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3 gm/kg

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

REFERENCE :: USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4968794

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 400 mg/kg

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

REFERENCE :: USXXAM United States Patent Document. (U.S. Patent Office, Box 9, Washington, DC 20231) Volume(issue)/page/year: #4968794 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 36 gm/kg

SEX/DURATION :: female 6-12 day(s) after conception lactating female 21 day(s) post-birth

TOXIC EFFECTS :: Reproductive - Maternal Effects - other effects Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive) Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight gain)

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 52,215,1996

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 3250 mg/kg

SEX/DURATION :: female 6-18 day(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - other effects Reproductive - Fertility - abortion Reproductive - Specific Developmental Abnormalities - musculoskeletal system

REFERENCE :: OYYAA2 Oyo Yakuri. Pharmacometrics. (Oyo Yakuri Kenkyukai, CPO Box 180, Sendai 980-91, Japan) V.1- 1967- Volume(issue)/page/year: 52,209,1996

Hazard Codes	Xn
RIDADR	NONH for all modes of transport

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