ChemicalBook--->CAS DataBase List--->491-38-3

491-38-3

491-38-3 Structure

491-38-3 Structure
IdentificationMore
[Name]

CHROMONE
[CAS]

491-38-3
[Synonyms]

1-BENZOPYRAN-4(4H)-ONE
4H-CHROMEN-4-ONE
CHROMEN-4-ONE
CHROMONE
2,3-benzo-4-pyrone
Benzo-gamma-pyrone
benzo-γ-pyrone
4H-benzo(b)pyran-4-one
2-Chromone
1-benzopyran-4-one
1,4-benzopyrone
4-chromone
4-Chromenone
Benz-γ-pyrone
[EINECS(EC#)]

207-737-9
[Molecular Formula]

C9H6O2
[MDL Number]

MFCD00024064
[Molecular Weight]

146.14
[MOL File]

491-38-3.mol
Chemical PropertiesBack Directory
[Appearance]

White to slightly yellow crystalline powder
[Melting point ]

55-60 °C(lit.)
[Boiling point ]

239℃
[density ]

1.248
[refractive index ]

1.5100 (estimate)
[Fp ]

107℃
[storage temp. ]

Keep in dark place,Sealed in dry,Room Temperature
[InChI]

1S/C9H6O2/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-6H
[InChIKey]

OTAFHZMPRISVEM-UHFFFAOYSA-N
[SMILES]

O=C1C=COc2ccccc12
[CAS DataBase Reference]

491-38-3(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

R22:Harmful if swallowed.
[Safety Statements ]

S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
[WGK Germany ]

3
[RTECS ]

GB7887000
[HS Code ]

2932990090
[Storage Class]

11 - Combustible Solids
Hazard InformationBack Directory
[Chemical Properties]

White to slightly yellow crystalline powder
[Uses]

The compounds with chromone skeleton exhibits antiradical activities that provide protection against oxidative stress.
[Definition]

ChEBI: The simplest member of the class of chromones that is 4H-chromene with an oxo group at position 4.
[Synthesis Reference(s)]

Journal of Heterocyclic Chemistry, 16, p. 369, 1979 DOI: 10.1002/jhet.5570160234
The Journal of Organic Chemistry, 48, p. 5160, 1983 DOI: 10.1021/jo00174a003
Synthetic Communications, 16, p. 365, 1986 DOI: 10.1080/00397918608076319
[General Description]

The compounds with chromone skeleton exhibits antiradical activities that provide protection against oxidative stress.
Spectrum DetailBack Directory
[Spectrum Detail]

CHROMONE(491-38-3)1HNMR
CHROMONE(491-38-3)IR
CHROMONE(491-38-3)FT-IR
CHROMONE(491-38-3)Raman
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

491-38-3(sigmaaldrich)
491-38-3 suppliers list
Company Name: BeiJing Hwrk Chemicals Limted  
Telephone: 0757-86329057 18934348241
Website: www.hwrkchemical.com/
Company Name: Energy Chemical  
Telephone: 400-0056266
Website: www.energy-chemical.com
Company Name: Accela ChemBio Co.,Ltd.  
Telephone: 021-50795510 4000665055
Website: http://www.shao-yuan.com/
Company Name: Shanghai Hanhong Scientific Co.,Ltd.  
Telephone: 021-54306202 13764082696
Website: https://www.hanhongsci.com
Company Name: Syntechem Co.,Ltd  
Telephone:
Website: www.syntechem.com
Company Name: Tianjin heowns Biochemical Technology Co., Ltd.  
Telephone: 400 638 7771
Website: www.heowns.com
Company Name: Pharmsynth Pharmaceutical (Chengdu) Technology Co.,LTD  
Telephone: 15528092102
Website: www.chemicalbook.com/ShowSupplierProductsList15552/0_EN.htm
Company Name: ShangHai YuanYe Biotechnology Co., Ltd.  
Telephone: 15026964105
Website: www.shyuanye.com
Company Name: Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.  
Telephone: 025-66113011 13913916777
Website: www.aikonchem.com/
Company Name: 9ding chemical ( Shanghai) Limited  
Telephone: 4009209199
Website: www.9dingchem.com
Company Name: Guangzhou Isun Pharmaceutical Co., Ltd  
Telephone: 020-39119399 18927568969
Website: http://www.isunpharm.com
Company Name: Amatek Scientific Co. Ltd.  
Telephone: 0512-56316828 4008675858
Website: http://www.amateksci.com
Company Name: Bide Pharmatech Ltd.  
Telephone: 400-164-7117 18317119277
Website: www.bidepharm.com
Company Name: Chengdu HuaXia Chemical Reagent Co. Ltd  
Telephone: 400-1166-196 13458535857
Website: http://www.hx-r.com
Company Name: Hunan HuaTeng Pharmaceutical Co., Ltd.,  
Telephone: 400-8592883 15367835770
Website: www.huatengsci.com
Company Name: Shanghai CanSpecsci Instrument Co., Ltd.  
Telephone: 400-6087598 15021221957
Website: https://www.canspec.cn/
Company Name: Shanghai YuLue Chemical Co., Ltd.  
Telephone: 021-60345187 13671753212
Website: https://www.chemicalbook.com/ShowSupplierProductsList16365/0_EN.htm
Company Name: Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.  
Telephone: 025-66028182 17714375163
Website: www.aikonchem.com
Tags:491-38-3 Related Product Information
493-08-3 61-54-1 51939-71-0 39079-62-4 577-85-5 6665-86-7 6051-87-2 525-82-6 153-18-4 520-27-4 520-36-5 548-83-4 82-57-5 38183-03-8 117-39-5 604-59-1 491-80-5 4940-39-0