ChemicalBook--->CAS DataBase List--->491-31-6

491-31-6

491-31-6 Structure

491-31-6 Structure
IdentificationBack Directory
[Name]

1H-2-Benzopyran-1-one
[CAS]

491-31-6
[Synonyms]

ISOCUMARINE
Isocoumarin
2,1-benzopyrone
isochromen-1-one
1H-isochromen-1-one
3,4-Dehydro-1-isochromanone
[Molecular Formula]

C9H6O2
[MDL Number]

MFCD08061387
[MOL File]

491-31-6.mol
[Molecular Weight]

146.14
Chemical PropertiesBack Directory
[Melting point ]

47°C
[Boiling point ]

286°C (estimate)
[density ]

1.1674 (rough estimate)
[refractive index ]

1.5100 (estimate)
[LogP]

1.994 (est)
[EPA Substance Registry System]

1H-2-Benzopyran-1-one (491-31-6)
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H319-H315-H302-H335
[Precautionary statements ]

P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501
Hazard InformationBack Directory
[Definition]

ChEBI: The simplest member of the class of isocoumarins that is 1H-isochromene which is substituted by an oxo group at position 1.
[Synthesis Reference(s)]

Journal of the American Chemical Society, 106, p. 5274, 1984 DOI: 10.1021/ja00330a041
Journal of Heterocyclic Chemistry, 27, p. 1419, 1990 DOI: 10.1002/jhet.5570270544
Tetrahedron Letters, 25, p. 4459, 1984 DOI: 10.1016/S0040-4039(01)81466-0
491-31-6 suppliers list
Company Name: ShenZhen Trendseen Biological Technology Co.,Ltd.
Tel: 13417589054 , 13417589054
Website: www.chemicalbook.com/ShowSupplierProductsList1962465/0.htm
Company Name: Jilin Chinese Academy of Sciences-yanshen Technology
Tel: +undefined18143011203 , +undefined18143011203
Website: www.chemextension.com/
Company Name: Wuhan Chemduro Pharm Tech Co. Ltd.  
Tel: 18040571231/1402788087
Website: www.chemicalbook.com/ShowSupplierProductsList16292/0.htm
Company Name: Hangzhou Milestone Pharmtech Co., Ltd.  
Tel: 0571-82896630 18969958410
Website: http://www.milestonepharmtech.cn/
Company Name: Shanghai Changyan Chem & Tech Co., Ltd.  
Tel: 021-021-20242659 18930833303
Website: www.changyanchem.com
Company Name: CASNO Chem Ltd.  
Tel: 86-13710190520
Website: www.casnochem.com
Company Name: Aikon International Limited  
Tel: 025-66028182 18112977050
Website: http://www.aikonchem.com
Company Name: Shanghai He Huan Chemical Co., Ltd.  
Tel: 021-60345187 13917602471
Website: https://www.chemicalbook.com/ShowSupplierProductsList30458/0_EN.htm
Company Name: Cool Pharm, Ltd  
Tel: 18019463053
Website: http://www.coolpharm.com.cn
Company Name: Chengdu Alfa Biotechnology Co.,Ltd.  
Tel: 028-028-85142057 19983342022
Website: https://www.chemicalbook.com/ShowSupplierProductsList1107497/0.htm
Company Name: Shanghai Yihua Chemical Co., Ltd.  
Tel: 021-6785342
Website: www.chemicalbook.com/ShowSupplierProductsList621525/0.htm
Company Name: Shanghai Sunway Pharmaceutical Technology Co.,Ltd.  
Tel: 021-51816796-820 13611835272
Website: http://www.sunwaypharm.com/
Company Name: Bide Pharmatech Ltd.  
Tel: 400-1647117 15221909166
Website: www.bidepharm.com/
Company Name: Bide Pharmatech Ltd.  
Tel: 400-6005915
Website: www.picasso-e.com/
Company Name: Shanghai Maclean Biochemical Technology Co., LTD  
Tel: 021-50706066 15221275939
Website: http://www.macklin.cn/
Company Name: Meryer (Shanghai) Chemical Technology Co., Ltd.  
Tel: 18621169085
Website: www.meryer.com/
Company Name: ShenZhen Trendseen Biological Technology Co.,Ltd.  
Tel: 13417589054 13417589054
Website: www.chemicalbook.com/showsupplierproductslist312717/0.htm
Company Name: Shanghai Haohong Scientific Co., Ltd.  
Tel: 400-400-8210725
Website: www.leyan.com/
Tags:491-31-6 Related Product Information