Intermediates

Details Product Name Fenpropathric acid CAS RN 15641-58-4 English Name Fenpropathric acid Chemical Name 2,2,3,3-tetramethylcyclopropanecarboxylic acid Molecular Formula C8H14O2 Molecular Weight142.2 Appearance White or light yellow powder Purity ≥99% Drying Loss≤0.5% Melting Point 116-121? Use Fenpropathric acid used for fenpropathrin

Details Product Name R-(+)-9-(2-Hydroxypropyl)adenine,HPA English Name R-(+)-9-(2-Hydroxypropyl)adenine Chemical Name (R)-9-(2-hydroxypropyl) adenine CAS RN 14047-28-0 Molecular Formula C8H11N5O  Molecular Weight 193.2058 Property White or off-white powder Purity HPA>97% Optical Purity(ee value)HPA>98% Melting Point 192-195? Boiling Point 45.7? Specific Rotation +40°~42°Density

Details 1-Benzylpiperazine dihydrochloride Product Name 1-Benzylpiperazine dihydrochloride English Name 1-Benzylpiperazine dihydrochloride CAS RN 5321-63-1 Molecular Formula C11H16N2·2(HCl) Molecular Weight 249.18 Appearance White crystalline powder Melting Point>251? Residue on Ignition≤0.5% Moisture≤0.5% Piperazine≤0.5% Content ≥98.5% Use Used for cephalosporin intermediates Packing 25KG/fiber drum,

Details 3-ethynylaniline  Product Name 3-ethynylaniline Chemical Formula 3-Aminophenylacetylene CAS RN 54060-30-9 Molecular Formula C8H7N Molecular Weight 117.15 Appearance Colorless or light yellow liquid Content ≥99.0% Melting Point 92? Moisture≤0.5% Density 1.04+0.03 Residue on Ignition≤0.2% Individual Impurity≤1.0% Total Impurity≤2.0% Use Used for

Details 4-chloro-6,7-bis-(2-methoxyethoxy)-4(3H)-quinazoline Product Name 4-chloro-6,7-bis-(2-methoxyethoxy)-4(3H)-quinazoline CAS RN 183377-18-1 English Name 4-chloro-6,7-bis-(2-methoxyethoxy)-4(3H)-quinazoline Molecular Formula C14H17CIN2O4 Molecular Weight 312.75 Appearance White or off-white crystalline powder Moisture≤0.5% Residue on Ignition≤0.1% Individual Impurity≤0.1% Total Impurity≤0.5% Content ≥99.5% Use Used for pharmaceutical intermediate of erlotinib. Packing

Details Bromoacetaldehyde Diethylacetal Product Name Bromoacetaldehyde Diethylacetal CAS RN 2032-35-1 Molecular Formula C6H13BrO2 Molecular Weight 197.0702 English Name Bromoacetaldehyde Diethylacetal Quality Index Enterprise standard Appearance Colorless or yellowish transparent liquid Density 1.274-1.278 Refractive Index 1.439-1.440 Total Impurity≤2.0% Content ≥98.0%(gas chromatographic method) Use

Details Sulbactam Product Name Sulbactam English Name Sulbactam Chemical Name (2S-cis)-3,3-dimethyl-7-oxy-4-sulph-1-aza dicyclo[3,2,0]heptane-2-carboxylic acid 4,4-dioxide CAS RN 68373-14-8 Molecular Formula C8H11NO5S Molecular Weight 233.24 Appearance White or off-white crystalline powder, easily soluble in water, methyl alcohol and acetic

Details 7-APCA,7-APRA Product Name 7-APCA,7-APRA English Name 7-APCA,7-APRA Chemical Name (6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid   CAS RN 120709-09-3 Molecular Formula C10H12N2O3S Molecular Weight 240.28 Quality Standard enterprise standard Appearance Off-white or light yellow crystalline powder Moisture≤0.5%  Ash Content of Sulfuric Acid≤0.2% (Z)-isomer≥89%(E)-isomer≤10% 7-ADCA Impurity≤0.5%

Details Alpha-Sulfophenylacetic Acid Product Name Alpha-Sulfophenylacetic Acid CAS RN 41360-32-1 English Name Alpha-Sulfophenylacetic Acid Molecular Formula C8H8O5S Molecular Weight 216.21 Property White or light yellow crystalline powder, easily soluble in water Rotation -18.5°~ -23.9° Moisture≤8.8%  Heavy Metal≤20ppm Content ≥97% Use

Details Poloxamer Poloxamer 407,188, poloxamer, poloxamers, poloxamer prices manufacturers   English name: poloxamer   CAS RN 9003-11-6   Formula C5H10O2 Molecular Weight 102.13 poloxamer   Quality standards Cp2010/USP24/NF19   Model: P-188 (F-68) / P-407 (F-127)   Characters poloxamer translucent white or slightly yellow solid;