Best price high quality3,4-DihydroxybenzaldehydeOther names:Protocatechualdehyd;AURORA 17180; AKOS BBS-00003254; 4-FORMYL-1,2-DIHYDROXYBENZENE CAS number: 139-85-5EINECS number: 205-377-7Formula: C7H6O3Molecular weight: 138.1207 Density: 1.409 g/cm3Melting point: 152-157 °CBoiling point: 295.4 ° C at 760 mmHgFlash point: 146.7 ° CWater-soluble: 50 g/L (20 °C)The steam pressure: 0.000867 mmHg at 25 ° C Chemical properties: Pale yellow crystal, mp / 152 ~ 154 °C (when melting decomposition), dissolve in water, soluble in ethanol, ethyl ether, chloroform, etc organic solvents Product use: A kind of important intermediates, can be used for synthesis of antibiotics and anti-inflammatory drugs
product Name 3,4-Dimethoxybenzoic acid Synonyms Veratric acid; 3,4-dimethoxybenzoate Molecular Formula C9H9O4 Molecular Weight 181.1659 InChI InChI=1/C9H10O4/c1-12-7-4-3-6(9(10)11)
3,5-Dimethyl-4-methoxy-2-pyridinemethanol Application: Omeprazole intermediate Appearance: white or off-white powder Type: Pharmaceutical Intermediates,Syntheses Mat
3-AMINO-2-CHLORO-4-METHYLPYRIDINE Appearance: white powder Grade Standard: Industrial Grade,Fine Chemical CAS NO:133627-45-9Packaging Detail:25kg/ barrelpurity:99%
With the appearance of the characters: colorless viscous liquid, hygroscopicity.The melting point (c): -40Relative density (water =1): 1.3218Boiling point (c): 139 (2.39kPa)Molecular formula: C3H7CIO2
product Name 3-Hydroxy-4-methyl-5-ethyl-2(5H)-furanone Synonyms 2(5H)-furanone, 5-ethyl-3-hydroxy-4-methyl-; 211-811-6; 5-ethyl-3-hydroxy-4-methylfuran-2(5H)-one; (4S,5R)-5-ethyl-4-methyldihydrof
molecular formula c9h10o molecular weight 134. 18 physical appearance clear colorless to pale yellowish liquid boiling point 226°c specific gravity
cas no. 122-00-9 molecular formula c9h10o molecular weight 134. 18 physical appearance clear colorless to pale yellowish liquid boiling po
4-(1-Methyl-4-piperidylidene)-4H-benzo[4,5]cycloheptaGrade Standard: Medicine Grade Type: Auxiliaries and Other Medicinal Chemicals CAS NO:34580-14-8Packaging Detail:1kg/foil b
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