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4H-1-Benzopyran-4-one

MSDS  : 
 Chromone

CAS  
: 
 491-38-3
SYNONYMS  
: 
 * 4H-1-Benzopyran-4-one
* Benzo-gamma-pyrone
Catalog of Chemical Suppliers, Buyers, Custom Synthesis Companies And Equipment Manufacturers
[ Chromone 491-38-3 ]
                     *** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GB7887000
CHEMICAL NAME           : Chromone
CAS REGISTRY NUMBER     : 491-38-3
BEILSTEIN REFERENCE NO. : 0114087
REFERENCE               : 5-17-10-00139 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C9-H6-O2
MOLECULAR WEIGHT        : 146.15
WISWESSER LINE NOTATION : T66 BO EVJ
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 4H-1-Benzopyran-4-one
   * Benzo-gamma-pyrone
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 91 mg/kg
TOXIC EFFECTS :
   Behavioral - anticonvulsant
REFERENCE :
   PMDCAY Progress in Medical Chemistry.  (Elsevier Science Pub. Co., Inc., 52
   Vanderbilt Ave., New York, NY 10017)  V.1-    1961- Volume(issue)/page/year:
   9,65,1973
 
                            *** END OF RECORD ***
;

Recommended suppliers

Dayang Chem (Hangzhou) Co.,Ltd.

China (Mainland) Assessed Supplier

4H-1-Benzopyran-4-one Manufacturer/High quality/Best price/In stock

  • Assay：Industrial Grade,
  • Appearance：detailed see specifications
  • Package：according to the clients requirement
  • Storage:Store in dry, dark and ventilated place.
  • Transportation：by sea or by air
  • Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
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Amadis Chemical Co., Ltd.

China (Mainland) Assessed Supplier

1-benzopyran-4-one

  • Assay：97%
  • Appearance：Powder or liquid
  • Package：According to customer
  • Storage:Store in a tightly closed container, in a cool and dry place.
  • Transportation：Fedex,DHL,TNT,BY SEA and BY AIR
  • Application:Medicinal Chemistry Biomedicine Pharmaceutical intermediates Chemistry experiment Biological experiments Chemical reagent For R&D use only.
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HENAN NEW BLUE CHEMICAL CO.,LTD

China (Mainland) Assessed Supplier

chromone CAS NO.491-38-3

  • Assay：1,
  • Appearance：Solid
  • Package：as requested
  • Storage:room temperature
  • Transportation：as requested
  • Application:Organic Chemicals
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Hebei Nengqian Chemical Import and Export Co., LTD

China (Mainland) Assessed Supplier

CHROMONE 491-38-3

  • Assay：medical grade,
  • Appearance：solid
  • Package：5mg/vial, 10 vials per box
  • Storage:Keep in dark place,Sealed in dry,Room Temperature
  • Transportation：EMS,DHL,?TNT,?UPS?,FEDEX,?BY?AIR,?BY?SEADHL?Express,?FedEx?and?EMS?for?quantity?less?than?50KG,?usually?called?as?DDU?service;?Sea?shipping?for?quantity?over?500KG;?And?air?shipping?is?available
  • Application:Ethoxazole is mainly used in agriculture as a broad spectrum fungicide. It can control a variety of crop diseases, including corn, grapes, soybeans, wheat and other crops of downy mildew, rust and ant
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Zhuozhou Wenxi import and Export Co., Ltd

China (Mainland) Assessed Supplier

Manufacturer supply CAS 491-38-3 with best quality

  • Assay：98%,99%,
  • Appearance：White powder
  • Package： [Packaging]20mg, 50mg,100mg,1g,10g,100g,according to customers' requirements
  • Storage: should be stored in a well-closed container at low temperature, keep away from moisture, heat and light.
  • Transportation：1. Samples 1kg-10kg are shipped by international express. 2. 50kg-100kg of goods are transported by dedicated line logistics. 3. Cargo 100kg-1ton is transported by dedicated line logistics.
  • Application:Chemical raw materials, pharmaceutical intermediates, cosmetic raw materials, etc.
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