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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: COUMARIN, 4-HYDROXY-3-(alpha-NAPHTHYL)-
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Purity: 98.0%
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39923-41-6

39923-41-6 structure

39923-41-6 structure

Name: COUMARIN, 4-HYDROXY-3-(alpha-NAPHTHYL)-
Chemical Name: 4-hydroxy-3-naphthalen-1-ylchromen-2-one
CAS Number: 39923-41-6
Molecular Formula: C₁₉H₁₂O₃
Molecular Weight: 288.29700
Create Date: 2016-07-22 05:32:47
Modify Date: 2025-10-02 09:19:20

Name	4-hydroxy-3-naphthalen-1-ylchromen-2-one
Synonyms	4-Hydroxy-3-<1-naphthyl>-cumarin 4-hydroxy-3-naphthalen-1-yl-chromen-2-one 2-HYDROXY-3-NAPHTHALEN-1-YL-CHROMEN-4-ONE

Density	1.383g/cm3
Boiling Point	485.3ºC at 760 mmHg
Molecular Formula	C₁₉H₁₂O₃
Molecular Weight	288.29700
Flash Point	181.6ºC
Exact Mass	288.07900
PSA	50.44000
LogP	4.31880
Index of Refraction	1.735

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GN7575000

CHEMICAL NAME :: Coumarin, 4-hydroxy-3-(alpha-naphthyl)-

CAS REGISTRY NUMBER :: 39923-41-6

BEILSTEIN REFERENCE NO. :: 1289402

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C19-H12-O3

MOLECULAR WEIGHT :: 288.31

WISWESSER LINE NOTATION :: T66 BO CVJ EQ D- BL66J

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 :: 500 mg/kg

TOXIC EFFECTS :: Behavioral - altered sleep time (including change in righting reflex) Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - respiratory stimulation

REFERENCE :: ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 14,29,1964

13922-41-3 structure

13922-41-3

86795-49-5 structure

86795-49-5

~79%

39923-41-6 structure

39923-41-6

Literature: Zhu, Qiang; Wu, Jie; Fathi, Reza; Yang, Zhen Organic Letters, 2002 , vol. 4, # 19 p. 3333 - 3336

1076-38-6 structure

1076-38-6

~%

39923-41-6 structure

39923-41-6

Literature: Zhu, Qiang; Wu, Jie; Fathi, Reza; Yang, Zhen Organic Letters, 2002 , vol. 4, # 19 p. 3333 - 3336

1076-38-6 structure

1076-38-6

90-14-2 structure

90-14-2

~76%

39923-41-6 structure

39923-41-6

91-20-3 structure

91-20-3

Literature: Rodriguez, Sergio A.; Baumgartner, Maria T. Tetrahedron Letters, 2010 , vol. 51, # 40 p. 5322 - 5324

Precursor 3
13922-41-3 1076-38-6 90-14-2
DownStream 0

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