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Hunan Aslsen Technology Co., Ltd.
Hunan Aslsen Technology Co., Ltd. is located in Wangcheng Economic and Technological Development Zone, Changsha City. It specializes in research, development, production, and sales of chemical raw materials and pharmaceutical intermediates. We have our factory and maintain close cooperation with many qualified manufacturers. We also have a professional sales team and a mature export system. We strictly control product quality, and our products are exported to dozens of countries and regions such as North America, Europe, Asia, Australia, Africa, etc. Foreign distributors and end users are very satisfied with our products. Our products are widely used in pharmaceuticals, cosmetics, food, health care, and other industries. Our core values ​​are "sincere and attentive, creating value for customers; quality first, providing customers with high-quality products", we will sincerely respond to every inquiry you have, and look forward to becoming your trusted partner!
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2-BROMO-1-PHENYL-PENTAN-1-ONE CAS 49851-31-2 Aromatic the most popular in China 2025-08-23 CAS No.                                   49851-31-2  Chemical Name: 2-Bromo-1-phenyl-pentan-1-one Synonyms 2-BroMovalerophenone;2-BROMO-1-PHENYL-1-PENTANONE;α-Bromovalerophenone;2-Bro;cas49851 31 2;a-Bromovalerophenone;2-BROMO-1-PHENYL-PENTA;alpha-bromovaleropheone;Alfa-Bromovalerophenone;New α-Bromovalerophenone CBNumber: CB0837318 Molecular Formula: C11H13BrO Molecular Weight: 241.12   MDL Number: MFCD09031798   2-Bromo-1-phenyl-pentan-1-one Properties Boiling point 94-96 °C(Press: 0.25 Torr) Density 1.310±0.06 g/cm3(Predicted) storage temp. -20°C Freezer solubility Chloroform (Slightly), Methanol (Slightly) form Oil color Clear Colourless InChI InChI=1S/C11H13BrO/c1-2-6-10(12)11(13)9-7-4-3-5-8-9/h3-5,7-8,10H,2,6H2,1H3 InChIKey XOQFMNXQYSTQPE-UHFFFAOYSA-N SMILES C(C1=CC=CC=C1)(=O)C(Br)CCC     SAFETY Risk and Safety Statements Symbol(GHS) GHS05,GHS07 Signal word Danger Hazard statements H315-H318-H335 Precautionary statements P261-P264-P271-P280-P302+P352-P304+P340+P312-P305+P351+P338-P310-P332+P313-P362-P403+P233-P405-P501     2-Bromo-1-phenyl-pentan-1-one price More Price(6) Manufacturer Product number Product description CAS number Packaging Price Updated Buy TRC B689020 α-Bromovalerophenone 49851-31-2 100mg $140 2021-12-16 Buy Usbiological 005036 α-Bromovalerophenone 49851-31-2 100mg $446 2021-12-16 Buy American Custom Chemicals Corporation HCH0103752 2-BROMO-1-PHENYL-PENTAN-1-ONE 95.00% 49851-31-2 100MG $739.2 2021-12-16 Buy Medical Isotopes, Inc. 55204 α-Bromovalerophenone 49851-31-2 100mg $290 2021-12-16 Buy American Custom Chemicals Corporation HCH0103752 2-BROMO-1-PHENYL-PENTAN-1-ONE 95.00% 49851-31-2 1G $1871.1 2021-12-16 Buy     2-Bromo-1-phenyl-pentan-1-one Chemical Properties,Uses,Production Description 2-Bromo-1-Phenyl-Pentan-1-One is a chemical compound with the molecular formula C11H13BrO. A bright yellow oily liquid, it boasts a boiling point of 94–96 °C (Pressure: 0.25 Torr) and a density of 1.310±0.06 g/cm3 (Predicted). Its utilization spans various scientific research applications, functioning as a reagent in organic synthesis, a foundational material in pharmaceutical synthesis, and a fundamental building block for diverse compound productions. Additionally, it has played a role in the synthesis of heterocyclic compounds like pyridines, pyrimidines, and thiophenes. Chemical Properties Yellow Oil Uses 2-Bromo-1-phenyl-pentan-1-one is used in a variety of scientific research applications. It is used as a reagent in organic synthesis, as a starting material in the synthesis of pharmaceuticals, and as a building block for the production of various compounds. It has also been used in the synthesis of various heterocyclic compounds, such as pyridines, pyrimidines, and thiophenes. Additionally, 2-bromo-1-phenyl-pentan-1-one is used in the synthesis of polymers, such as polyacrylonitrile, polyvinyl chloride, and polyethylene. Uses Valerophenone (V091450) derivative. Preparation At room temperature, 16.2g (0.1mol) of phenylpentanone and 30.9g (0.3mol) of sodium bromide are added to a reaction flask and stirred evenly. Then, 24g (0.2mol) of 30% hydrochloric acid is added, followed by slow dropwise addition of 19g (0.15mol) hydrogen peroxide. The reaction is allowed to proceed for 1-2 hours until completion, then stirring is stopped. After the mixture separates into layers, it is washed separately with saturated sodium carbonate and saturated saline, and the organic phase is combined. Finally, the product 2-Bromo-1-phenyl-pentan-1-one is obtained through concentration and drying, which is a bright yellow oily liquid.     2-Bromo-1-phenyl-pentan-1-one synthesis   Synthesis of 2-Bromo-1-phenyl-pentan-1-one from Valerophenone   2-Bromo-1-phenyl-pentan-1-one Preparation Products And Raw materials Raw materials Valerophenone Benzenemethanol, α-[1-bromo-1-[(4-methylphenyl)sulfinyl]butyl]- Valeryl chloride Benzene Fenipentol Bromobenzene Benzaldehyde Valeraldehyde Acetic acid Preparation Products 4'-FLUOROVALEROPHENONE  
Diethyl(phenylacetyl)malonate CAS20320-59-6 High Quality PMK 2025-08-23 CAS  No.                                  20320-59-6  Chemical Name: Diethyl(phenylacetyl)malonate Synonyms Cas 20320-59-6;new p;Propanedioic;20320 59 6;Phenylacetylmalonsaeurediethylester;diethyl 2-(2-phenylacetyl)propanedioate;diethyl 2-(2-phenylacetyl)propanedioate wickr bettyml;New BMK Oil;BMK Oil/powder;bmk Lliquid oil CBNumber: CB61075043 Molecular Formula: C15H18O5 Molecular Weight: 278.3   MDL Number: MFCD28989869   Diethyl(phenylacetyl)malonate Properties Boiling point 120 °C(Press: 0.01 Torr) Density 1.148±0.06 g/cm3(Predicted) pka 8.76±0.59(Predicted) InChI InChI=1S/C15H18O5/c1-3-19-14(17)13(15(18)20-4-2)12(16)10-11-8-6-5-7-9-11/h5-9,13H,3-4,10H2,1-2H3 InChIKey ZASPDQDIPTZTQQ-UHFFFAOYSA-N SMILES C(OCC)(=O)C(C(CC1=CC=CC=C1)=O)C(OCC)=O Diethyl(phenylacetyl)malonate Chemical Properties,Uses,Production Physical properties Diethyl(phenylacetyl)malonate has a boiling point of 120 °C. Its density is predicted to be 1.148±0.06 g/cm3.   Uses Organic synthesis intermediates. Preparation The anhydrous ethanol co-vaporized with diethyl phthalate and sodium metal is added dropwise to the mixture of diethyl malonate, carbon tetrachloride and magnesium, heated to start the reaction, and the temperature is controlled to smooth the reaction. Then add anhydrous diethyl ether, heat for 1h, add the diethyl ether solution of phenylacetyl chloride (add slowly, not to make the reaction too intense). After the reaction is completed, cool and add water, separate the oil layer, and evaporate the diethyl ether under reduced pressure to obtain diethyl(phenylacetyl)malonate.   Diethyl(phenylacetyl)malonate synthesis     Synthesis of Diethyl(phenylacetyl)malonate from Ethanol and 1,3-Dioxane-4,6-dione, 2,2-dimethyl-5-(2-phenylacetyl)-   Diethyl(phenylacetyl)malonate Preparation Products And Raw materials Raw materials Diethyl phthalate Carbon tetrachloride Diethyl ether Phenylacetyl chloride Malonic acid  
BMK Powder CAS 5449-12-7 With Stock Safe Delivery Pharmaceutical Intermediates 2025-08-23 CAS No.                                   5449-12-7  Chemical Name: BMK Glycidic Acid (sodium salt) Synonyms 2-methyl-3-phenyloxirane-2-carboxylic acid;sodium,2-methyl-3-phenyloxirane-2-carboxylic acid;Glycidic Acid sodium salt;sodium 2-methyl-3-phenyloxirane-2-carboxylate;bmk powder stock;BMK Powder and BMK Oil;BMK Glycidic Acid powder;BMK glycidic acid sodium;BMK Glycidic Acid (sodium salt);BMK Glvcidic Acid (sodium salt ) CBNumber: CB64666253 Molecular Formula: C10H11NaO3   Molecular Weight: 202.18   BMK Glycidic Acid (sodium salt) Properties storage temp. -20°C solubility DMF: 5 mg/ml DMSO: 20 mg/ml PBS (pH 7.2): 10 mg/ml form A crystalline solid λmax 221 nm InChI InChI=1S/C10H10O3.Na/c1-10(9(11)12)8(13-10)7-5-3-2-4-6-7;/h2-6,8H,1H3,(H,11,12);/q;+1/p-1 InChIKey LGZQUMKWUFFHOV-UHFFFAOYSA-M SMILES C1C=C(C2OC2(C)C(=O)[O-])C=CC=1.[Na+] BMK Glycidic Acid (sodium salt) price More Price(2) Manufacturer Product number Product description CAS number Packaging Price Updated Buy Cayman Chemical 19683 BMK Glycidic Acid (sodium salt) ≥98% 5449-12-7 1mg $73 2024-03-01 Buy Cayman Chemical 19683 BMK Glycidic Acid (sodium salt) ≥98% 5449-12-7 5mg $182 2024-03-01 Buy     BMK Glycidic Acid (sodium salt) Chemical Properties,Uses,Production Appearance A crystalline solid Description BMK Glycidic Acid (sodium salt) is an analytical reference standard categorized as a precursor in the synthesis of phenylacetone. This product is intended for research and forensic applications. Synthesis Reference(s) The Journal of Organic Chemistry, 51, p. 1925, 1986  BMK Glycidic Acid (sodium salt) Preparation Products And Raw materials Raw materials   Preparation Products  
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Our company Aslsen has long been providing chemical raw materials and intermediates to well-known chemical manufacturers at home and abroad.
Our company Aslsen has long been providing chemical raw materials and intermediates to well-known chemical manufacturers at home and abroad.
Our company Aslsen has long been providing chemical raw materials and intermediates to well-known chemical manufacturers at home and abroad.
Our company Aslsen has long been providing chemical raw materials and intermediates to well-known chemical manufacturers at home and abroad.
Our company Aslsen has long been providing chemical raw materials and intermediates to well-known chemical manufacturers at home and abroad.
Our company Aslsen has long been providing chemical raw materials and intermediates to well-known chemical manufacturers at home and abroad.
Our company Aslsen has long been providing chemical raw materials and intermediates to well-known chemical manufacturers at home and abroad.
Our company Aslsen has long been providing chemical raw materials and intermediates to well-known chemical manufacturers at home and abroad.
Our company Aslsen has long been providing chemical raw materials and intermediates to well-known chemical manufacturers at home and abroad.
Our company Aslsen has long been providing chemical raw materials and intermediates to well-known chemical manufacturers at home and abroad.
Our company Aslsen has long been providing chemical raw materials and intermediates to well-known chemical manufacturers at home and abroad.
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