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Home> Products > Food & Feed Additives > Food Additive Products > CAS DataBase Listed 9 > CAS 91-64-5
91-64-5 structure 3D

CAS 91-64-5 products price,suppliers

  • Name: Glycine, N-[2,3-dibromo-4,4-bis(4-ethylphenyl)-1-oxo-2-butenyl]-, butylester, (Z)-
  • Molecular Weight: 146.14274
  • Formula: C9H18INO2
  • Synonyms: 1,2-Benzopyrone; 1-Benzopyran-2-one; 2H-1-Benzopyran-2-one; Chromen-2-one; COUMARINE; O-Oxy-Cinnamic Lactone;
  • Coumarin is the primary bioactive ingredient in Radix Glehniae, named Beishashen in China, which possesses many pharmacological activities, including anticancer, anti-inflammation and antivirus activities.
Properties Safety and Handling MSDS NMR Spectrum Synthesis Route Precursor and Product Computational chemical data
Identification Safety Data
  • [Risk Codes]
  • R20/21/22:Harmful by inhalation, in contact with skin and if swallowed
  • R36/37/38:Irritating to eyes, respiratory system and skin
  • R40:Limited evidence of a carcinogenic effect
  • [Safety Statements]
  • S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
  • S36/37:Wear suitable protective clothing and gloves
  • Hazard Symbols:
  • HazardClass:6.1
Properties
  • Appearance:
  • white crystalline solid
  • Molecular Weight:
  • 146.14274
  • Melting Point:
  • 68-71℃
  • Storage Temperature:
  • Refrigerator
  • Refractive index:
  • 1.594
  • Solubility:
  • Slightly soluble AUTOI
  • Stability:
  • Converted to a dimer on long exposure to light.
  • More Properties>>
Question & Answer
  • Why does coumarin predominantly exist in keto form? By applying the logic that phenol exists in enol form rather than keto form as it attains aromatic character, why is it not the case in coumarin? more+ Aug 03 2021
  • Synthesize coumarin from 4-allyl-2-methoxyphenol (eugenol) I'm trying to figure out how to get the following reaction: (coumarin from eugenol) My immediate thoughts are O H " style="position: relative;" tabindex="0" id="MathJax-Element-2-Frame" class="MathJax" O H O H and O C H X 3 " style="position: relative;" tabindex="0" id="MathJax-Element-3-Frame" cla...more+ Jun 17 2021
  • Reaction of coumarin with phenylmagnesium bromide I came across this problem.. I thought that the Grignard reagent, PhMgBr, would cleave the lactone and then subsequently add to the ketone formed, giving an allylic tertiary alcohol after aqueous workup. Treatment with acid would then lead to intramolecular etherification, giving 2,2-diphenyl-2? H ...more+ Jun 05 2021
  • Coumarins — An Important Class of Phytochemicals 1. Introduction Phytochemicals are chemical compounds that occur naturally in the plant kingdom. Some are responsible for the organoleptic properties of the natural sources in which they are present. The term is generally used to refer to those chemicals that may have biological significance, for e...more+ Jan 14 2021
Upstream Product Downtream information
There are 335 suppliers who can provide Glycine, N-[2,3-dibromo-4,4-bis(4-ethylphenyl)-1-oxo-2-butenyl]-, butylester, (Z)- with CAS No. 91-64-5
high quality Coumarin
high quality Coumarin
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  • Description:Common Name
  • Updatetime:Jul 16 2021 
High quality Coumarin CAS 91-64-5 with lowest price with big discount
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Coumarin
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  • Description:Details: Molecular Formula:
  • Updatetime:Nov 24 2020 
Factory supply high quality Coumarin Cas 91-64-5 with best purity low price
Factory supply high quality Coumarin Cas 91-64-5 with best p...
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  • Description:Factory supply high quality Coumarin Cas 91-64-5 with best purity low price Specifications:
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Coumarin CAS No.: 91-64-5
Coumarin CAS No.: 91-64-5
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  • Description:Physicochemical property The density of 1.3 g/cm3 Boiling point 677.7 C at 760 mmHg Molecular formula C28H28N3O6PS The molecular weight of 565.57700
  • Updatetime:Jan 14 2021 
Factory Supply Coumarin
Factory Supply Coumarin
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  • Appearance:solid or liquid ( refer to COA) 
  • Purity:99.90% 
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  • Usage:upon client's application 
  • Brand:Amitychem 
  • Description:Amitychem Corporation manufacture and supply Coumarin with with high quality, low price and bulk supply. We have been focusing on the research and production of concrete chemicals for 14+ years. Our product quality has ISO, SGS, CQC,FAMI-QS, etc. Cetificated. ...
  • Updatetime:Mar 09 2021 
Coumarin
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  • Min.Order:1 Kilogram 
  • Supply Ability:10 Metric Ton/Year 
  • Appearance:liquid or solid 
  • Purity:95%, 99% 
  • Packaging:clients requirement 
  • Usage:raw material used in Synthesis 
  • Brand:Dayang 
  • Description:Name: Coumarin Synonyms: 2H-1-Benzopyran-2-one; COUMARINE; 1-Benzopyran-2-one; 1,2-Benzopyrone; Chromen-2-one; O-Oxy-Cinnamic Lactone CAS Registry number: 91-64-5 EINECS:202-086-7 Molecular Formula: C9H6O2 Boiling Point: 298℃ Flash Point: 162℃ Density: 0.93...
  • Updatetime:Dec 20 2019 
Coumarin
Coumarin
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  • Min.Order:1 Kilogram 
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  • Appearance:WHITE 
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  • Usage:APIs Pharmaceutical Adjuvant Biochemicals & Biotech products 
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  • Updatetime:Dec 06 2019 
Coumarin
Coumarin
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  • Purity:99% 
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  • Description:Pls feel free to contact us for detailed product specifications, product tech. date sheet, COA and MSDS, prices, delivery time and payment terms.
  • Updatetime:Dec 26 2020 
Coumarin
Coumarin
  • Appearance:Normal Standard 
  • Purity:99% 
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  • Description:Superiority high quality, competitive price & excellent service Details High quality, Competitive price & Excellent service Transportation:By Sea or By Air or Courier Storage:Store in dry, dark and ventilated plac... Keywords:91-64-5 Manufacturer,High Purity C...
  • Updatetime:Mar 02 2021 
Coumarin
Coumarin
  • FOB Price:55 USD/20mg 
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  • Appearance:white powder 
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  • Usage:For laboratory researching ;Raw material for cosmetics ;Chemical reagents 
  • Brand:Gelipu 
  • Description:Coumarin is a kind of high purity monomer isolated from Fraxinus mandshurica ,which can be used as medical experimental research ,cosmetics and chemical raw materials .It can also be used for the determination of the content of Traditional Chinese medicine pro...
  • Updatetime:Sep 27 2020 
Coumarin
Coumarin
  • FOB Price:1 USD/Gram 
  • Min.Order:1 Gram 
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  • Appearance:White crystalline powder 
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  • Usage:For laboratory research 
  • Brand:Chengdu Herbpurify CO.,LTD 
  • Description:Coumarin 【 Synonyms 】2H-1-Benzopyran-2-one 【 CAS No. 】91-64-5
  • Updatetime:Dec 28 2018 
China supplier of Coumarin(CAS:91-64-5)
China supplier of Coumarin(CAS:91-64-5)
  • FOB Price:1 USD/Kilogram 
  • Min.Order:1 Kilogram 
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  • Appearance:white crystalline powder 
  • Purity:99% 
  • Packaging:foil bag 
  • Usage:organic chemical 
  • Brand:Dahua 
  • Description:China supplier of Coumarin(CAS:91-64-5) Synonyms:Benzo-alpha-pyrone;Rattex;Coumarinic anhydride;Coumarin powder;2-Oxo-1,2-benzopyran;o-Hydroxycinnamic acid lactone;Benzo-a-pyrone CAS:91-64-5 Formula: C9H6O2 Molecular Weight:146.15 EINECS:202-086-7 Density: 1.2...
  • Updatetime:Sep 29 2016 
Coumarin
Coumarin
  • FOB Price:20 USD/Kilogram 
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  • Appearance:white crystalline powder 
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  • Brand:senwayer 
  • Description:Coumarin CAS 91-64-5 1.Full experience of large numbers containers loading in Chinese sea port. 2.Fast shipment by reputed shipping line. 3.Packing with pallet as buyer's special request. 4.Best service after shipment with e mail. 5.Cargoes together with conta...
  • Updatetime:Sep 11 2018 
Coumarin
Coumarin
  • Min.Order:1 Kilogram 
  • Supply Ability:10000 Kilogram/Month 
  • Appearance:white powder 
  • Purity:99% 
  • Packaging:drum;foil bag 
  • Usage:food additive 
  • Brand:yc 
  • Description:Product Name: Coumarin Formula: C9H6O2 CAS NO.: 91-64-5 Melting Point: 69--71 Boiling Point: 290--301 Flash Point: 151 Solubility in water: Slightly Soluble Solubility in ethanol: 1 gram can dissolve fully in 15 ml 95% ethanol APPEARANCE: WHITE CRYSTALLINE MEL...
  • Updatetime:Sep 21 2016 
Coumarin
Coumarin
  • Min.Order:1 Kilogram 
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  • Appearance:Colorless crystals 
  • Packaging:According to the request of customer 
  • Usage:Medical use 
  • Brand:MOSINTER 
  • Description:Item Index
  • Updatetime:Jan 14 2019 
High purity Coumarin 91-64-5  in stock immediately delivery good supplier
High purity Coumarin 91-64-5 in stock immediately delivery g...
  • FOB Price:1 USD/Kilogram 
  • Min.Order:1 Kilogram 
  • Supply Ability:10000 Kilogram/Day 
  • Appearance:Powder 
  • Purity:99% 
  • Packaging:25kg/drum 
  • Description:Superiority about us
  • Updatetime:Feb 26 2019 
Coumarin (None organochlorine)99% 91-64-5
Coumarin (None organochlorine)99% 91-64-5
  • FOB Price:1 USD/Metric Ton 
  • Min.Order:1 Metric Ton 
  • Supply Ability:20 Metric Ton/Day 
  • Appearance:White Crystals 
  • Purity:99% 
  • Packaging:fibre drums with inner plastic bags of... 
  • Description:Superiority coumarin (anhydride of o-coumaric acid) is white, crystalline lactone, obtainable naturally from several plants, such as tonka bean, lavender, sweet clover grass, strawberries, and cinnamon, or produced synthetically from an amino acid, phenylalani...
  • Updatetime:Feb 22 2019 
High quality Coumarin supplier in China
High quality Coumarin supplier in China
  • FOB Price:1 USD/Kilogram 
  • Min.Order:1 Kilogram 
  • Supply Ability:200 Metric Ton/Year 
  • Appearance:Colorless liquid 
  • Purity:99%min 
  • Packaging:125kg/drum 
  • Usage:Intermediate 
  • Brand:Chemzhongyuan 
  • Description:Name: Coumarin Synonyms: COUMARINE; Chromen-2-one; 1,2-Benzopyrone; 1-Benzopyran-2-one; 2H-1-Benzopyran-2-one; O-Oxy-Cinnamic Lactone CAS Registry number: 91-64-5 EINECS:202-086-7 Molecular Formula: C9H6O2 Boiling Point: 298℃ Flash Point: 162℃ Refractive in...
  • Updatetime:Jul 13 2021 
Coumarin 91-64-5
Coumarin 91-64-5
  • FOB Price:100 USD/Gram 
  • Packaging:discreet packaging 
  • Usage:food additives 
  • Brand:Quanao 
  • Description:Coumarin Product Name: Coumarin Synonyms: TIMTEC-BB SBB000094;O-HYDROXYCINNAMIC ACID LACTONE;TONKA BEAN CAMPHOR;5,6-BENZO-2-PYRONE;AKOS 212-75;2H-1-BENZOPYRAN-2-ONE;2H-1-BENZOPYAN-2-ONE;1,2-BENZOPYRONE CAS: 91-64-5 MF: C9H6O2 MW:
  • Updatetime:Feb 04 2017 
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