5-ethyl-3-methyl cyclotene
2-cyclopenten-1-one, 5-ethyl-2-hydroxy-3-methyl

Supplier Sponsors

• 
  BOC Sciences

  Best of Chemicals Supplier
  Quality supplier of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds.
  BOC Sciences provides a wide range of services to support the pharmaceutical industry through all stages of drug discovery including Custom Synthesis of those chemicals that are not in stock, Isotope Labeling Service, Chiral Synthesis and Resolution, Bioconjugation, PEGylation services, analytical services.
  BOC Sciences is a brand of BOCSCI Inc. We leverage our wide spectrum of business in the fields of development, manufacturing, marketing, and distribution to help you make best-informed decisions tailored to your evolving needs for premium chemicals. Our complete suite of CRO services spans the entire molecule development pipeline including contract research for target identification, building blocks, compound synthesis, biochemical and cellular analysis, preclinical animal tests, and clinical studies.
  Email:	Marketing
  US Email:	Marketing
  Email:	Sales
  US Email:	Sales
  Voice: 1-631-485-4226
  Fax: 1-631-614-7828
  US Voice: 1-631-485-4226
  US Fax: 1-631-614-7828
  Europe	44-203-286-1088
  Facebook
  Twitter
  Linkedin
  Blog
  Get the App!
  CODE103627 CODE103627
  Product(s):
  53263-58-4 5-Ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one > 95%

Name: 5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one CAS Number: 53263-58-4 3D/inchi ECHA EINECS - REACH Pre-Reg: 258-451-6 FDA UNII: Search Nikkaji Web: J295.917H CoE Number: 11078 XlogP3-AA: 1.20 (est) Molecular Weight: 140.18204000 Formula: C8 H12 O2 NMR Predictor: Predict (works with chrome, Edge or firefox) Category:flavoring agents   US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information: Google Scholar: Search Google Books: Search Google Scholar: with word "volatile" Search Google Scholar: with word "flavor" Search Google Scholar: with word "odor" Search Perfumer and Flavorist: Search Google Patents: Search US Patents: Search EU Patents: Search Pubchem Patents: Search PubMed: Search NCBI: Search JECFA Food Flavoring: 423 5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one DG SANTE Food Flavourings: 07.118 5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one FEMA Number: 3454 5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one FDA: No longer provide for the use of these seven synthetic flavoring substances FDA Mainterm (SATF): 53263-58-4 ; 5-ETHYL-2-HYDROXY-3-METHYLCYCLOPENT-2-EN-1-ONE   Physical Properties: Assay: 99.00 to 100.00 Food Chemicals Codex Listed: No Specific Gravity: 1.05300 to 1.06000 @ 25.00 °C. Pounds per Gallon - (est).: 8.762 to 8.820 Refractive Index: 1.47800 to 1.48400 @ 20.00 °C. Boiling Point: 260.00 to 261.00 °C. @ 760.00 mm Hg Vapor Pressure: 0.002000 mmHg @ 25.00 °C. (est) Flash Point: 226.00 °F. TCC ( 107.78 °C. ) logP (o/w): 0.615 (est) Soluble in:   alcohol   water, slightly   water, 1112 mg/L @ 25 °C (est) Insoluble in:   water   Organoleptic Properties: Odor Type: malty malty caramellic Odor Description:at 1.00 % in propylene glycol. malty caramellic Odor and/or flavor descriptions from others (if found).   Cosmetic Information: None found   Suppliers: Anhui Haibei 5-Ethyl-3-methyl Cyclotene Axsyn For experimental / research use only. 2-Cyclopenten-1-one,5-ethyl-2-hydroxy-3-methyl- BOC Sciences For experimental / research use only. 5-Ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one > 95% Parchem 5-ethyl-3-methyl cyclotene   Safety Information:   Hazards identification   Classification of the substance or mixture GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) None found. GHS Label elements, including precautionary statements   Pictogram   Hazard statement(s) None found. Precautionary statement(s) None found. Oral/Parenteral Toxicity: Not determined Dermal Toxicity: Not determined Inhalation Toxicity: Not determined   Safety in Use Information: Category: flavoring agents Recommendation for 5-ethyl-3-methyl cyclotene usage levels up to:   not for fragrance use.   Maximised Survey-derived Daily Intakes (MSDI-EU): ND (μg/capita/day) Maximised Survey-derived Daily Intakes (MSDI-USA): 0.38 (μg/capita/day) Structure Class: II Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS). The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library publication number: 9 Click here to view publication 9   average usual ppm average maximum ppm baked goods: - 2.00000 beverages(nonalcoholic): - 2.00000 beverages(alcoholic): - - breakfast cereal: - - cheese: - - chewing gum: - - condiments / relishes: - - confectionery froastings: - 2.00000 egg products: - - fats / oils: - - fish products: - - frozen dairy: - 3.00000 fruit ices: - 3.00000 gelatins / puddings: - 2.00000 granulated sugar: - - gravies: - - hard candy: - - imitation dairy: - - instant coffee / tea: - - jams / jellies: - - meat products: - - milk products: - 1.00000 nut products: - - other grains: - - poultry: - - processed fruits: - - processed vegetables: - - reconstituted vegetables: - - seasonings / flavors: - - snack foods: - - soft candy: - - soups: - - sugar substitutes: - - sweet sauces: - -   Safety References: European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... European Food Safety Authority (EFSA) reference(s): Flavouring Group Evaluation 213: alpha,beta-Unsaturated alicyclic ketones and precursors from chemical subgroup 2.7 of FGE.19 View page or View pdf Scientific Opinion on Flavouring Group Evaluation 213, Revision 2 (FGE.213Rev2): Consideration of genotoxic potential for a,ß-unsaturated alicyclic ketones and precursors from chemical subgroup 2.7 of FGE.19 View page or View pdf EPI System: View AIDS Citations:Search Cancer Citations:Search Toxicology Citations:Search EPA ACToR:Toxicology Data EPA Substance Registry Services (SRS):Registry Laboratory Chemical Safety Summary :65427 National Institute of Allergy and Infectious Diseases:Data 5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one Chemidplus:0053263584   References:   5-ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one NIST Chemistry WebBook: Search Inchi Canada Domestic Sub. List: 53263-58-4 Pubchem (cid): 65427 Pubchem (sid): 135022193   Other Information: (IUPAC): Atomic Weights of the Elements 2011 (pdf) Videos: The Periodic Table of Videos tgsc: Atomic Weights use for this web site (IUPAC): Periodic Table of the Elements FDA Substances Added to Food (formerly EAFUS): View HMDB (The Human Metabolome Database): HMDB37167 FooDB: FDB016163 VCF-Online: VCF Volatile Compounds in Food ChemSpider: View   Potential Blenders and core components note For Odor acidic cyclohexyl acetic acid FL/FR balsamic 2- acetyl furan FL/FR buttery acetoin FL/FR acetyl propionyl FL/FR 3,4- hexane dione FL/FR caramellic 2-oxo butyric acid FL/FR caramel pentadione FL/FR cyclotene FL/FR cyclotene hydrate FL/FR alpha,alpha- dimethyl anisyl acetone FL/FR ethyl 2-hydroxy-2-methyl butyrate FL/FR ethyl cyclopentenolone FL/FR ethyl maltol FL/FR 5- ethyl-2,3,4,5-tetramethyl-2-cyclohexen-1-one FL/FR fenugreek absolute FL/FR geranyl crotonate FR immortelle absolute FL/FR maltol FL/FR maltyl propionate FL/FR maple furanone FL/FR menthone lactone FL/FR mesitene lactone FR 5- methyl furfural FL/FR rosefuran FL/FR shoyu furanone FL/FR strawberry furanone FL/FR strawberry furanone acetate FL/FR toffee furanone FL/FR coconut gamma- heptalactone FL/FR coumarinic tonka bean resinoid FR creamy gamma- butyrolactone FL/FR ethereal ethyl 4-pentenoate FL/FR ethyl pyruvate FL/FR iso valeraldehyde propylene glycol acetal FL/FR fermented ethyl (E)-2-crotonate FL/FR fruity (E)- ethyl tiglate FL/FR tetrahydrofurfuryl acetate FL/FR green iso amyl 3-(2-furan) propionate FL/FR herbal butyl levulinate FL/FR musty 3- acetyl-2,5-dimethyl furan FL/FR nutty 2- acetyl-3,5(or 6)-dimethyl pyrazine FL/FR 2,3- dimethyl pyrazine FL/FR nutty cyclohexenone FL/FR phenolic 4- methyl-2,6-dimethoxyphenol FL/FR sweet vanilla oleoresin bali FL/FR tonka tonka bean absolute FR vanilla ethyl vanillin FL/FR vanillyl isobutyrate FL/FR vegetable tetrahydrofurfuryl alcohol FL/FR For Flavor No flavor group found for these 2- acetyl-3,4,5,6-tetrahydropyridine FL allyl 2-furoate FL benzyl disulfide FL 2,5- diethyl tetrahydrofuran FL alpha,alpha- dimethyl anisyl acetone FL/FR ethyl 2-hydroxy-2-methyl butyrate FL/FR ethyl 4-pentenoate FL/FR 5- ethyl-2,3,4,5-tetramethyl-2-cyclohexen-1-one FL/FR furfuryl acetone FL menthone lactone FL/FR rosefuran FL/FR iso amyl 3-(2-furan) propionate FL/FR bready bready mango furanone FL brown 2-oxo butyric acid FL/FR 5- methyl furfural FL/FR tetrahydrofurfuryl acetate FL/FR burnt furfuryl alcohol FL buttery diacetyl FL 3,4- hexane dione FL/FR caramellic caramel dione FL caramel furanone FL caramel pentadione FL/FR cyclotene FL/FR cyclotene hydrate FL/FR ethyl maltol FL/FR 5- ethyl-3,4,5,6-tetramethyl cyclohexen-2-one FL fenugreek absolute FL/FR maltol FL/FR maltyl propionate FL/FR maple furanone FL/FR 3- methyl butyl 2-furyl butyrate FL shoyu furanone FL/FR strawberry furanone FL/FR strawberry furanone acetate FL/FR toffee furanone FL/FR cocoa butyraldehyde FL coffee 2- thiophene thiol FL creamy acetoin FL/FR fatty 2,4- undecadienal FL (E,E)-2,4- undecadienal FL fruity (E)- ethyl tiglate FL/FR furfuryl valerate FL 2- pentanoyl furan FL iso valeraldehyde propylene glycol acetal FL/FR green immortelle absolute FL/FR herbal butyl levulinate FL/FR 5- hydroxymethyl furfural FL jammy ethyl cyclopentenolone FL/FR lactonic gamma- heptalactone FL/FR milky gamma- butyrolactone FL/FR musty ethyl (E)-2-crotonate FL/FR nutty 2- acetyl furan FL/FR 3- acetyl-2,5-dimethyl furan FL/FR 2- acetyl-3,5(or 6)-dimethyl pyrazine FL/FR 2,3- dimethyl pyrazine FL/FR nutty cyclohexenone FL/FR peanut oxazole FL tetrahydrofurfuryl alcohol FL/FR phenolic 4- methyl-2,6-dimethoxyphenol FL/FR rummy ethyl pyruvate FL/FR solvent 2- ethyl furan FL sweet cyclohexyl acetic acid FL/FR vanilla oleoresin bali FL/FR toasted acetyl propionyl FL/FR vanilla ethyl vanillin FL/FR vanillyl isobutyrate FL/FR waxy furfuryl octanoate FL   Potential Uses: FL bread FL cereal FL coffee   Occurrence (nature, food, other):note   coffee roasted coffee Search PMC Picture   Synonyms: 2- cyclopenten-1-one, 2-hydroxy-5-ethyl-3-methyl 2- cyclopenten-1-one, 5-ethyl-2-hydroxy-3-methyl 5- ethyl-2-hydroxy-3-methyl cyclopent-2-en-1-one 5- ethyl-2-hydroxy-3-methyl-2-cyclopenten-1-one 5- ethyl-2-hydroxy-3-methylcyclopent-2-en-1-one 5- ethyl-3-methylcyclotene   Articles: US Patents:4,892,966 - Acetoacetic acid ester derivatives for the manufacture of .alpha.-hydroxycarbonyl compounds

Notes: Present in roast Arabica coffeee bean volatiles. Flavouring agent