2,3,4-TrimethoxybenzaldehydeMF: C10H12O4MW: 196.20CAS: 2103-57-3EINECS: 218-271-0Melting point: 36.5 °CBoiling point: 168-170 °C (12 MMHG)Refractive Index,, 1.5547

trans-2,3,4-Trimethoxycinnamic acidMF: C12H14O5MW: 238.24CAS: 33130-03-9EINECS: 251-388-5Melting point: 172-174 °CAssay: 98.5（%） Uses: chemical intermediate.

3-Amino-4-hydroxybenzoic acidMF: C7H7NO3MW: 153.14CAS: 1571-72-8EINECS: 216-390-2Melting point: 208 °C (DEC.)Packing : 25kg/drumAssay: 98% min.pharm.gradeAppearance: white to pink acicular crystal.Uses: azo and sulfur dyes, and for the manufacture of pho

Product name: Caffeic acidSynonym: 3,4-Dihydroxycinnamic acidCAS NO: 331-39-5 MW: 179.15 EC NO: 206-361-2MF: C9H7O4Standard: cp,usp,bpPacking: 25KG/drum Water solubility: soluble in hot water

Syringic acidProduct name: Syringic acidSynonyms: 4-Hydroxy-3,5-dimethoxybenzoic acid; 3,5-Dimethoxy-4-hydroxybenzoic acidCAS Registry Number: 530-57-4Molecular Formula: C9H10O5Molecular Weight: 198.17EINECS: 208-486-8Appearance: Off-white crystalsPurity

Ferulic Acid4-hydroxy-3-methoxycinnamic acid;ferulic acid; 3-methoxy-4-hydroxy-cinnamic acid; 3-(4-hydroxy-3-methoxyphenyl)acrylic acidMF,MW： C10H10O4，194.19CAS: 1135-24-6Appearance:pale white fine powder。 assay : 98% HPLCFe

2,6-Difluorocinnamic acidCAS: 102082-89-3 MF: C9H6F2O2 MW: 184.14 Melting point:124-125 °C(lit.)Assay ：≥99%Appearance:white or pale yellow crystalline.Uses :synthetic intermediate.

3-Bromocinnamic acidCAS:[32862-97-8]MW：C9H7BrO2=227Appearance: white crystalline.mp:178-182℃，Assay≥99.0%。Usage: as pharmaceutical intermediate.

2-bromo cinnamic acid CAS : 7345-79-1 MF: C9H7BRO2 MW: 227.06 Appearance: white crystallineassay: 99% package: 5kg/bag Usage: pharmaceutical intermediates.

2,6-Dichlorocinnamic AcidCAS:, 5345-89-1MF:, C9H6Cl2O2MW:, 217.05EINECS:, 226-301-9Assay: 98% Appearance: white crystal Packing: 5KG Standard: enterprise standard Usage: Organic intermediates Melting poing : 192-196 °C