(2S)-(+)-2,5-Dihydro-3,6-Dimethoxy-2-Isopropylpyrazine-manufacture,factory,supplier from China

Products Description of (2S)-(+)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine CAS#78342-42-4(S)-2,5-Dimethoxy-3-isopropyl-3,6-dihydropyrazine.Molecular formula: C9H16N2O2.Molecular weight: 184.24 g/mol(2S)-(+)-2,5-Dihydro-3,6-dimethoxy-2-isopropylpyrazine Chemical Propertiesalpha 102 º (c=1%, EtOH)Boiling point 245.2±33.0 °C(Predicted)density 1.028 g/mL at 20 °C (lit.)storage temp. Sealed in dry,2-8°Csolubility Chloroform (Slightly), DMSO (Slightly), Ethanol (Sparingly), Methanol (Slightly)pka3.81±0.60(Predicted)form Liquidcolor Clear colorless to pale

Products Description of 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride CAS#2328-12-36,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride is a chemical with CAS number 2328-12-36,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride Chemical PropertiesMelting point 260-265 °C(lit.)storage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility soluble25mg/mL, clear, colorless (1N NaOH in methanol)form Shiny Flakes or Crystalline Powdercolor White to slightly beigeBRN 3634126InChIKeySHOWAGCIRTUYNA-UHFFFAOYSA-NCAS DataBase Ref

Products Description of 6,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride CAS#20232-39-76,7-Dimethoxy-3,4-dihydroisoquinoline hydrochloride is an intermediate for the synthesis of tetrabenazine.

Products Description of (2S)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile CAS#207557-35-5 (2S)-N-Chloroacetyl-2-cyanopyrrole is a key intermediate of the dipeptidyl peptidase IV inhibitor vildagliptin (V305000)(2S)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile Chemical PropertiesMelting point 52-53 °CBoiling point 363.1±37.0 °C(Predicted)density 1.27±0.1 g/cm3(Predicted)storage temp. under inert gas (nitrogen or Argon) at 2-8°Csolubility Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)form Solidpka-4.65±0.40(Predicted)color Pale Yellow to Ligh

Products Description of 2,5-Dimethyl-2,5-hexanediolCAS#110-03-2This product is white crystal, m.p.88.5～90℃, b.p.214～215℃, relative density 0.898, soluble in water, acid, alcohol, acetone, insoluble in benzene, carbon tetrachloride and other organic solvents2,5-Dimethyl-2,5-hexanediol Chemical PropertiesMelting point 86-90 °C (lit.)Boiling point 214-215 °C (lit.)density 0,898 g/cm3vapor pressure 0.18Pa at 20℃refractive index 1.4429 (estimate)Fp 126 °Cstorage temp. Keep in dark place,Sealed in dry,Room Temperaturepka15.07±0.29(Predicted)form Crystalli

2-DODECEN-1-YLSUCCINIC ANHYDRIDE CAS#19780-11-1Product Name:2-DODECEN-1-YLSUCCINIC ANHYDRIDESynonyms:2,5-Furandione, 3-(2-dodecenyl)dihydro-;2,5-Furandione, 3-dodecenyl-;3-(2-dodecenyl)dihydro-5-furandione;3-[(2E)-2-Dodecenyl]dihydro-2,5-furandione;3-(2-dodecenyl)succinic anhydride;2-(2-Dodecene-1-yl)succinic anhydride;2-(2-Dodecenyl)succinic anhydride;2-Dodecen-1-yl(-)succinicanhydridCAS:19780-11-1MF:C16H26O3MW:266.38EINECS:243-296-9Product Categories:Carbonyl Compounds;Carboxylic Acid Anhydrides;Organic Building Blocks;Anhydride MonomersUnsaturated fatty acids and derivatives;Monoenoic fatty

Products Description of 2,5-Furandicarboxylic acid CAS#3238-40-22,5-Furandicarboxylic acid is a derivative of furan. This organic compound was first obtained by Fittig and Heinzelmann in 1876. 2,5-Furandicarboxylic acid is a chemical intermediate with strong sensitivity and good stability. It is soluble in water under alkaline conditions and is a white powdery solid under acidic conditions. It is an important monomer for the preparation of corrosion-resistant plastics.

Products Description of 3,4-Dihydro-2H-pyran CAS#110-87-23,4-Dihydro-2H-pyran, referred to as DHP, is an organic intermediate often used as a protective group.

Products Description of 3,6-Dibromopyridazide CAS#17973-86-33,6-Dibromopyridazine is an important intermediate in organic synthesis.3,6-Dibromopyridazide CAS#17973-86-3 Chemical PropertiesMelting point 116 °CBoiling point 327.5±22.0 °C(Predicted)density 2?+-.0.06 g/cm3(Predicted)storage temp. Keep in dark place,Sealed in dry,Room Temperaturepka-1.18±0.10(Predicted)form Solidcolor White to pale yellowInChIInChI=1S/C4H2Br2N2/c5-3-1-2-4(6)8-7-3/h1-2HInChIKeyVQAFMTSSCUETHA-UHFFFAOYSA-NSMILESC1(Br)=NN=C(Br)C=C1Safety InformationHazard Codes XnRisk Statements&

Products Description of 2,5-Dimethyl-2,4-Hexadiene CAS#764-13-62,5-Dimethyl-2,4-hexadiene is a chemical,Insoluble in water, soluble in alcohol and ether.2,5-Dimethyl-2,4-hexadiene Chemical PropertiesMelting point 12 °CBoiling point 132134°Cdensity 0.773 g/mL at 25 °C(lit.)vapor density 3.8 (vs air)vapor pressure 26.9 mm Hg ( 37.7 °C)refractive index n20/D 1.476(lit.)Fp 85 °Fstorage temp. Flammables areasolubility Chloroform, Ethyl Acetateform Oilcolor Clear ColourlessBRN 1733342LogP3.500CAS DataBase Refer

Products Description of 2,5-Dibromothiophene CAS#3141-27-32,5-Dibromothiophene is the light yellow transparent liquid, boiling point 211℃, melting point -6℃, relative density 2.147.2,5-Dibromothiophene Chemical PropertiesMelting point -6 °C (lit.)Boiling point 211 °C (lit.)density 2.147 g/mL at 25 °C (lit.)refractive index 1.627-1.63Fp 99 °Cstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility Chloroform, Methanolform Liquidcolor Clear pale yellow to brownSpecific Gravity2.147Water Solubility practically insol

Products Description of 3-Acetyl-2,5-Dichlorothiophene CAS#36157-40-13-Acetyl-2,5-dichlorothiophene is an organic intermediate and pharmaceutical intermediate. 3-Acetyl-2,5-Dichlorothiophene Chemical PropertiesMelting point 37-40 °C (lit.)Boiling point 120-122°C 4mmdensity 1.4514 (estimate)Fp >230 °Fstorage temp. Keep in dark place,Inert atmosphere,2-8°Cform solidcolor White to Yellow to OrangeBRN 121288CAS DataBase Reference36157-40-1(CAS DataBase Reference)NIST Chemistry Reference2,5-Dichloro-3-thienyl methyl ketone(36157-40-1)Sa

Products Description of 2,5-Dimethoxybenzaldehyde CAS#93-02-72,5-Dimethoxybenzaldehyde is a colorless crystal produced by methylation reaction with dimethyl sulfate in an alkali aqueous solution.2,5-Dimethoxybenzaldehyde Chemical PropertiesMelting point 46-48 °C (lit.)Boiling point 146 °C/10 mmHg (lit.)density 1.1708 (rough estimate)refractive index 1.5260 (estimate)Fp >230 °Fstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility 795mg/lform Crystalline Powder, Crystals and/or Chunkscolor Yellow to beigeWater Solubili

 3,6-Dichloro-4-methylpyridazine CAS#19064-64-33,6-Dichloro-4-methylpyridazine Chemical PropertiesMelting point 86-88 °C (lit.)Boiling point 149-151 °C/21 mmHg (lit.)density 1.5462 (rough estimate)refractive index 1.6300 (estimate)Fp 149-151°C/21mmstorage temp. Keep in dark place,Sealed in dry,Room Temperaturesolubility Methanol[soluble in]solubility soluble in Methanolform Crystalline Powderpka-0.56±0.10(Predicted)color BrownBRN 119573InChIKeyROYHWGZNGMXQEU-UHFFFAOYSA-NCAS DataBase Reference19064-64-3(CAS DataBase Reference)NIST Chem

Products Description of AGAROSE CAS#9012-36-6Agarose is a chain-like neutral polysaccharide composed of D-galactose and 3,6-endo-L-galactose.

Products Description of 6-Bromo-2,3-dihydro-4H-chromen-4-one CAS#49660-57-34-Dihydrochromone is a class of natural compounds with excellent biological activity.

Products Description of 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene CAS#7128-64-5This product is yellow-green powder. Melting point 200-201℃, decomposition temperature greater than 220℃. Insoluble in water, soluble in alkanes, fats, mineral oils, waxes and common organic solvents. Solubility/(g/100ml): methanol 0.05; acetone 0Chemicalbook.5; toluene 5.3; carbon tetrachloride 5.9; tetrahydrofuran 5.5; DMF 0.8; chlorobenzene 10.2; cyclohexane 3.3; xylene 5.5; dioctyl phthalate 0.7; water 0.01.

Products Description of 6,7-Dimethoxyquinazoline-2,4-dione CAS#28888-44-06,7-Dimethoxy-2,4-quinazolinedione (doxazosin EP impurity D) is a chemical crystalline compound with a melting point of >300°C, an intermediate of prazosin hydrochloride.6,7-Dimethoxyquinazoline-2,4-dione Chemical PropertiesMelting point >300 °C (lit.)Boiling point 363.37°C (rough estimate)density 1.3404 (rough estimate)refractive index 1.6300 (estimate)storage temp. 2-8°Csolubility Aqueous Acid (Sparingly)pka10.27±0.20(Predicted)color White to Off-WhiteWater Solubility i

2-Octen-1-ylsuccinic anhydride, mixture of cis and trans Chemical PropertiesMelting point 8-12°C (lit.)density 1 g/mL at 25 °C(lit.)vapor pressure 43.5Pa at 20℃refractive index n20/D1.4694(lit.)Fp 113℃form Viscouscolor Colorless to Almost colorlessBoiling point 168°C/10 mmHg(lit.)LogP4.68 at 22℃ and pH7EPA Substance Registry System2,5-Furandione, dihydro-3-(2-octenyl)- (42482-06-4)Safety InformationHazard Codes XiRisk Statements 36/38Safety Statements 26-36WGK Germany 3HS Code 29171900Factory and Equipment ShowFast delivery timeI

Products Description of POLYIMIDE RESIN CAS#62929-02-6Yellow powderPOLYIMIDE RESIN Chemical PropertiesMelting point >300°Cdensity 1.2Fp >93°(199°F)form PowderSpecific Gravity1.2color YellowWater Solubility Insoluble in water.EPA Substance Registry System1,3-Isobenzofurandione, 5,5'-carbonylbis-, polymer with 1(or 3)-(4-aminophenyl)-2,3-dihydro-1,3,3(or 1,1,3)-trimethyl-1H-inden-5-amine (62929-02-6)Factory and Equipment ShowFast delivery timeInventory 2-3 working days New production 7-10 working days

Products Description of 2-Ethoxybenzoic acid CAS#134-11-2Colorless oily liquid. Melting point 20.7℃, boiling point 174-176℃ (2.0kPa), relative density 1.105, refractive index 1.5400.

Products Description of 2-Methylpiperazine CAS#109-07-9Colorless crystals, hygroscopic, with a typical amine odor, easily soluble in water and acetone.2-Methylpiperazine Chemical PropertiesMelting point 61-63 °C (lit.)Boiling point 155 °C/763 mmHg (lit.)density 0.817 g/cmrefractive index 1.4378 (estimate)Fp 149 °Fstorage temp. Keep in dark place,Inert atmosphere,Room temperaturesolubility 435g/lpkapK1:5.62(+2);pK2:9.60(+1) (25°C)form Crystalline Powder, Crystals and/or Chunkscolor White to yellowPH11-12 (50g/l, H2O)Water Solubility 78

Products Description of 1-Butylpyrrolidin-2-oneCAS#3470-98-2Colorless liquid1-Butylpyrrolidin-2-one Chemical PropertiesBoiling point 137 °C / 28mmHgdensity 0,96 g/cm3vapor pressure 13Pa at 25℃refractive index 1.4640 to 1.4660storage temp. under inert gas (nitrogen or Argon) at 2-8°Csolubility Chloroform (Slightly)pka-0.41±0.20(Predicted)form Oilcolor ColourlessWater Solubility 1000g/L at 20℃InChIInChI=1S/C8H15NO/c1-2-3-6-9-7-4-5-8(9)10/h2-7H2,1H3InChIKeyBNXZHVUCNYMNOS-UHFFFAOYSA-NSMILESN1(CCCC)CCCC1=OLogP1.265 at 20℃CAS DataBase Reference3470-9

Products Description of Thiourea dioxide CAS#1758-73-2Thiourea dioxide is also known as carboxamidine sulfinic acid and aminoiminomethanesulfinic acid. It is a stable compound with neither oxidizing nor reducing properties. It is precipitated from ethanol as colorless to white needle-shaped crystals or crystalline powder. It is odorless. Relative molecular weight 108.12. Relative density 1.4. Melting point 126℃ (decomposition). The solubility in water at room temperature is 2% to 3%, and the aqueous solution is neutral or weakly alkaline.