Pramipexole 104632-26-0 普拉克索 C10H17N3S 99%min 灰白色粉末

Characters - Appearance - Solubility A White or almost white powder , slightly hygroscopic, Freely soluble in water,very slightly soluble in ethanol (96% ) Identification A.Infrared absorption spectrophotometry B.Give reaction (a) of chlorides Appearance of Solution The solution is clear The solution is colorless PH 3.8 ∽5.6 Specific Optical Rotation +15 °∽+21 ° Water 16.0%∽20.0% Sulfated Ash Maximum 1.0% Related Substances: Maximum 1.0% Assay(based on anhydrous substance, by GC ) 95.0% ∽100.5% of C14H24N2O7 .2HCL Assay(based on hydrous substance, by GC ) ------ Potency ( based on hydrous substance , by GC) ------

Appearance White or yellowish-white powder Solubility Very slightly soluble in water, slightly soluble in alcohol. •Identification A: Melting point B: Specific absorbance C: IR-spectrum D: Chemical reaction 199-203℃ Max.287nm: 240-250 Complies with reference spectrum Green fluorescence at 365nm Appearance of solution Not more intensely colored than Reference Solution BY7 Related substances Method A by HPLC Impurity F≤0.1% Any single impurity≤0.1% Total impurities≤0.2% Method B by HPLC Any single impurity≤0.1% Total impurities≤0.2% metals ≤20ppm Residual methanol ≤3000ppm Residual DMSO ≤5000ppm Residual acetic acid ≤5000ppm Impurity K(aniline) by GC ≤5ppm Loss on drying ≤1.0% Sulphated ash ≤0.1% Assay 98.5-101.0%

Appearance A white or almost white hygroscopic powder Solubility Freely soluble in water, slightly soluble in ethanol(96%),practally insoluble in acetone trichlormathane or diethyl ether Identification Confirms to EP7.0 specification Acidity or alkalinity 4.0-6.0 Specific optical rotation -63º～-73º Related Total impurities ≤23.0% Any impurity ≤4.0% Impurity 1 ≤3.0% Impurity 2 ≤4.0% Impurity 3 ≤3.0% Impurity 4 ≤3.0% Impurity 5 ≤3.0% Impurity 6 ≤4.0 Sulphate 16%-18% Loss on drying 3.5% max Sulphated ash 1.0% max Assay(Dry Basis HPLC) Sum assay: 77%min E3: 10%max E1-I: 10%max E1-7MOA: 10%max Potency(Moisture bases) ---- Potency(dried bases) ≥19000u/mg

famotidine 76824-35-6 法莫替丁 C8H15N7O2S3 CP2010 USP31 JP15 White powder

Sultamicillin Tosylate 83105-70-8  C32H42N4O14S3 EP 99%min White powder

White crystalline powder,99%min

Appearance White to off-white crystalline powder Identification HNMR/HPLC Melting point 228.0-235.0℃ Special optical rotation - 36.0°~~ -44° Enantiomeric excess 98% min Loss on drying 0.5% max Related substances Single impurity 0.5%max Total inpurities 2.0%max metals 10ppm max Particle size 90% though 150um Assay(HPLC) 98.0%min

Appearance Light Yellow Powder Odor Characteristic Assay(Diosmetin) 90%min Moisture 6% max Sulphated Ash 0.2% max metal 20 ppm max Pesticides Negative Total of bacteria 1000/g max Fungi 100/g max Salmonellz Negative Coli Negative Particle size 100% pass 80 mesh

Appearance White or pale-white crystalline powder Identification Positive reaction Loss on drying 0.5% max Residue on ignition 0.1% max metal 10ppm max Melting point 117~120℃ Clarity and degree of opalescence of liquids 1% ethanol and chloroform solution Particle size 80~120mesh Assay (HPLC) 99.0% min

Appearance White or yellowish crystalline powder, odorless Assay 98.5% Impurities Total: 0.5% max Single: 0.2% max Water 4-8% Residue on ignition 0.2% max metals 20ppm max Clarity Y2 max Remain solvent Ethanol: 5000ppm max Toluene: 890ppm max

Assay ≥98.0% Insoluble ≤0.2% Free water