4-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)
- Name: 4-Oxo-4H-1-benzopyran-2-carboxylic acid
- Synonyms:2-Chromonecarboxylic acid;Chromone-2-carboxylic acid;4-Oxo-4H-chromene-2-carboxylic acid;4-Oxochromene-2-carboxylic acid;Atremon;Campel;Chromocarb;
- Molecular Formula:C10H6O4
- Molecular Weight:190.155
- CAS Registry Number:4940-39-0
- EINECS:225-583-0
- Melting Point:260 °C (dec.)(lit.)
- Water Solubility:Sparingly soluble in water
CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:98% 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.
Min. Order:1Kilogram
Supplier:Dayang Chem (Hangzhou) Co.,Ltd. [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:99%min. Appearance:white powder Package:1kg/Export worthy packing; 25kg/drum Storage:In well-closed container, protected from light and in cool & dry place. Transportation:By Air, By Sea, By courier (door to door, DHL/FedEx/UPS) Application:R&D and production for pharmaceuticals and chemicals
Min. Order:1Gram
Supplier:LIDE PHARMACEUTICALS LIMITED [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:99% Package:according to customer requirements Transportation:By Sea/Air/Courier Application:It is an important raw material.
Min. Order:10Gram
Supplier:Zibo Hangyu Biotechnology Development Co., Ltd [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:99% Package:According client's requirements Transportation:by sea/by air/by courier Application:Chemical products
Min. Order:1Kilogram
Supplier:Hangzhou ZeErRui Chemical Co., Ltd. [
China (Mainland)] CAS No.4940-39-0 4940-39-0---4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:99% Appearance:white powder Package:bag Storage:Room temperature Transportation:by sea Application:Organic Chemicals
Min. Order:1Metric Ton
Supplier:HENAN NEW BLUE CHEMICAL CO.,LTD [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:99.0% Appearance:liquid Package:Grams, Kilograms Storage:Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials. Transportation:According to customer request Application:For R&D and commerical use
Min. Order:100Gram
Supplier:Chemlyte Solutions [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:99% Appearance:White fine powder Package:according to the clients requirement Transportation:Transportation by express, air, sea; port mainly to Qingdao / Tianjin / Shanghai, or according to customer needs to send different ports and aviation. Application:An important raw material and intermed
Min. Order:1Kilogram
Supplier:Shandong Hanjiang Chemical Co., Ltd. [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:NLT 98% Appearance:White powder Package:Aluminum bag/Carton Drum Storage:Store in a tightly closed container, in a cool and dry place. Transportation:By air Application:Used in producing API
Min. Order:0
Supplier:Hangzhou Huarong Pharm Co., Ltd. [
China (Mainland)] CAS No.4940-39-0 ChroMone-2-carboxylic acid
Assay:0.98 Appearance:Off white to slight yellow solid Package:1L 5L 10L 25L bottle Storage:Stored in shaded, cool and dry places Transportation:Handle with cares to avoid damaging the packages. Protect them from sunshine or rain. We can send by Fedex, by ship or by plane according to international rules. Application:pharma intermediate
Min. Order:0
Supplier:Antimex Chemical Limied [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylicacid
Assay:99% Appearance:white to light yellow crystal powder Package:25kg/Barrel Storage:ln stock Transportation:Express/Sea/Air Application:Chemicals
Min. Order:0
Supplier:Hangzhou Sartort Biopharma Co., Ltd [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-chroMene-2-carboxylic acid
Assay:鈮?5% Appearance:To be subject to the object Package:Customized Transportation:Air Application:pharmaceutical intermediates
Min. Order:0
Supplier:Hangzhou Dingyan Chem Co., Ltd [
China (Mainland)] CAS No.4940-39-0 Chromone-2-carboxylic acid
Assay:98%min Package:25kg/drum,or as per customers'demand Transportation:air,sea,courier Application:API,or Intermediates,fine chemicals
Min. Order:0
Supplier:GIHI CHEMICALS CO.,LIMITED [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:98% Application:intermediate
Min. Order:0
Supplier:SAGECHEM LIMITED [
China (Mainland)] CAS No.4940-39-0 Chromone-2-carboxylic acid
Assay:99% Appearance:Solid Storage:Protect from light and keep dry Application:Pharmaceutical intermediates
Min. Order:0
Supplier:ORCHID CHEMICAL SUPPLIES LTD [
China (Mainland)] CAS No.4940-39-0 Chromone-2-carboxylic acid
Assay:98% Application:Pharm intermediate
Min. Order:0
Supplier:HANGZHOU TIANYE CHEMICALS CO., LTD. [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:98%min Appearance:Off-white to light yellow powder Package:According to the clients requirement. Storage:Keep in cool place. Transportation:Sea/air/courier Application:Pharmaceutical intermediates
Min. Order:0
Supplier:Hangzhou J&H Chemical Co., Ltd. [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:99% Package:box or opp package Storage:cool drum Transportation:air or sea Application:4-Oxo-4H-1-benzopyran-2-carboxylic acid
Min. Order:1Milligram
Supplier:weifang yangxu group co.,ltd [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:99 Appearance:powder, or liquid Package:Bottle, barrel, cargo, container, etc. Storage:Stored in room temperature, ventilated place Transportation:By air, ship, express, etc. Application:Pharmaceuticals, intermediates, APIs, custom synthesis, chemicals
Min. Order:0
Supplier:LEAP CHEM Co., Ltd. [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:99% Appearance:white powder Package:25kg,50kg,180kg,200kg,250kg,1000kg锛宑ustomization Storage:Keep it in dry,shady and cool place Transportation:by express or by sea Application:Pharma;Industry;Agricultural;chemical reaserch
Min. Order:0
Supplier:Wuhan Circle Star Chem-medical Technology co.,Ltd. [
China (Mainland)] CAS No.4940-39-0 Pharmaceutical Grade CAS 4940-39-0 with competitive price
Assay: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.
Min. Order:1Kilogram
Supplier:Zhuozhou Wenxi import and Export Co., Ltd [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-chromene-2-carboxylic acid
Assay:99%min Appearance:White powder Package: according to customers' requirements Storage:2-8掳C Transportation:Air, sea, land transport Application:scientific research experiment
Min. Order:1Gram
Supplier:Baoji Guokang Healthchem co.,ltd [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:98% Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place Transportation:transport by sea or by air Application:Aromatic Carboxylic Acids, Amides, Anilides, Anhydrides & Salts;Organic Building Blocks; custom synthesis molecular; API Intermediates.
Min. Order:1Gram
Supplier:Shanghai Massive Chemical Technology Co., Ltd. [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
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.
Min. Order:10Milligram
Supplier:Amadis Chemical Co., Ltd. [
China (Mainland)] CAS No.4940-39-0 Chromocarb
Assay:99% Haccp,,Halal,SC US FDA GMP ISO14001 Appearance:As per Certificate of analysis and our TDS, MSDS Package:Export standard and according to the clients requirement Storage:Store in dry, dark and ventilated place;ISO / Kosher /GMP licence commercial bulk capacity factory in China Transportation:By AIR or by SEA GMP licence / US-FDA,South Korea-KFDA Application:It is an important raw material and intermediate for chemical industry.
Min. Order:5Kiloliter
Supplier:Chemwill Asia Co., Ltd. [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:99% Appearance:White to light yellow to light orange fluffy powder Package:according to your requirement Storage:White to light yellow to light orange fluffy powder Transportation:by air /by train/by sea Application:lab
Min. Order:1Kilogram
Supplier:Jiangsu Xinsu New Materials Co., Ltd. [
China (Mainland)] CAS No.4940-39-0 Factory Supply 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:99% Appearance:powder or granule ( refer to COA) Package:25kgs/fiber drum Storage:Keep in a cool & dry place Transportation:by sea or by air Application:Librium, Valium
Min. Order:0Metric Ton
Supplier:Ality Chemical Corporation [
China (Mainland)] CAS No.4940-39-0 Diethyl bromomalonate
Assay:95%+ Package:per client require Transportation:Express ,Air, Sea Application:R&D,Pilot run
Min. Order:0
Supplier:Hunan chemfish Pharmaceutical co.,Ltd [
China (Mainland)] CAS No.4940-39-0 4-oxo-4H-1-benzopyran-2-carboxylic acid
Assay:97% Appearance:white powder Package:according to the clients requirement Storage:Room temperature with sealed well Transportation:by sea or by air Application:Use as primary and secondary intermediate
Min. Order:0
Supplier:BOC Sciences [
United States] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid
Assay:98.5% Appearance:white/off-white or light yellow Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Storage:Store in cool and dry place, keep away from strong light and heat. Transportation:by courier, by air, by sea Application:This product can be used in food/pharmaceutical/cosmetical industry
Min. Order:0
Supplier:Suzhou Health Chemicals Co., Ltd. [
China (Mainland)] CAS No.4940-39-0 Chromone-2-carboxylic acid 4940-39-0
Assay:98% Appearance:solid or liquid Package:Foil bag; Drum; Plastic bottle Storage:in sealed air resistant place Transportation:by sea or air Application:Pharma;Industry;Agricultural
Min. Order:0
Supplier:Hunan Russell Chemicals Technology Co.,Ltd [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid CAS No.4940-39-0
Assay:99.90% Appearance:solid or liquid Package:As customer's requested Storage:sealed in cool and dry place Transportation:by courier/air/sea Application:Pharma Intermediate
Min. Order:0
Supplier:Guangdong Juda Chemical Industrial Co.,Limited [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid manufacturer
Assay:鈮?7%(HPLC) Appearance:white powder Package:According client's requirements Storage:keep sealed and keep from direct light Transportation:by express or by sea Application:pharmaceutical
Min. Order:0
Supplier:Shanghai Yuanye Bio-Technology Co., Ltd. [
China (Mainland)] CAS No.4940-39-0 4-Oxo-4H-1-benzopyran-2-carboxylic acid cas no. 4940-39-0 98%
Assay:0.98 Package:Grams, Kilograms Transportation:According to customer request Application:For R&D
Min. Order:0
Supplier:Win-Win chemical Co.Ltd [
China (Mainland)] CAS No.4940-39-0 Chromone-2-carboxylic acid, 97%
Assay:98% Package:According to the demand of customer Storage:Sealed, dry, microtherm , avoid light and smell. Transportation:by air or by sea Application:Organic synthesis
Min. Order:0
Supplier:Henan Allgreen Chemical Co.,Ltd [
China (Mainland)] - Dayang Chem (Hangzhou) Co.,Ltd.
- Hangzhou Sartort Biopharma Co., Ltd
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