Purine, Pyrimidines & Deriv.

Nucleosides ,Nucleotides & Derivatives

Deoxy- Nucleotides , Nucleosides & Derivatives

Other Nucleoside Intermediates

RNA,DNA Phosphoramidites

Oligodeoxynucleotides, Oligonucleotides

Reagents for DNA,RNA Synthesis

Saccharides

Monosaccharides Disaccharides & Trisaccharides Polysaccharides Other Saccharides

Natural Extracts

Plant Extracts Animal Extracts Microorganism Extracts

Enzyme

Organic Synthesis and Immobilized Enzymes Diagnostic and Analytical Enzymes Food Processing Enzyme Other Industrial Enzyme Biology Research Enzyme

Chiral Reagents

Chiral Resolution Reagents Asymmetric Synthesis Reagents

Chiral Building Blocks

Chiral Carboxylic Acids Chiral Esters Chiral Amines Chiral Alcohols

Others

Aliphatic Series

Aliphatci Hydrocarbons Haloogenated Aliphatci Hydrocarbons Aliphatci Alcohols & Ethers Aliphatci Aldehydes,Ketones & Derivatives Aliphatci Carboxylic Acids Aliphatic Nitrogen Compounds Aliphatic Sulfides

Carbon Ring Series

D21 Cyclopropane Series D22 Cyclobutane Series D23 Cyclopentane Series D24 Cyclohexane Series D25 Cycloheptane Series D26 Cyclooctane Series D27 C9 Carbon Ring and Above C9

Aromatic Series

Aromatic Hydrocarbon Aromatic Halide Series Phenols,Aromatic Alcohols & Derivatives Aromatic Aldehyde,ketone & Derivatives Aromatic Carboxylic Acids & Derivatives Aromatic Nitrogen Compounds Aromatic Sulfides & Derivatives

D11 Triatomic Heterocyclic Series

D12 Four Member Ring Heterocyclic Series

Pentaheterocyclic Series

Thiazole Series Midazole Series Pyrrolidine Series Pyrole Series Furan Series Thiophene Series Imidazolines & Imidazolidines Isoxazoles Oxazoles Oxazolines & Oxazolidines Pyrazoles Pyrrolines Tetrazoles Thiadiazoles Thiazolines & Thiazolidines Triazoles Other Pentaheterocyclic Series

Hexaheterocyclic Series

Pyridine Series Pyrimidine Series Piperidine Series Piperazine Series Pyrazine Series Morpholines Piperidones Pyrans Pyridazines Triazines Other Hexaheterocyclic Series

Seven Member Ring Heterocyclic Series(D13)

D14 Eight Member Ring Heterocyclic Series

Purine Series

Indole Series

Acridines

Benzodioxanes

Benzofurans

Benzopyrans

Benzothiophenes

Benzimidazoles

Benzotriazoles

Benzoxazines

Carbazoles

Coumarins

Homopiperidines

Oxadiazoles

Indolines

Indazoles

Isoquinolines

Quinaldines

Quinazolines

Quinolines

Quinoxalines

Quinuclidines

Thiazines

Other Heterocyclic Series

N-Containing O-Containing S-Containing

Other Chemicals

AB Other Building Blocks

Catalysis & Inorganic Chemistry

RA01 Single Inorganic Substance RA03 General Inorganic Acids RA10 Elemental Compounds RA99 Other General Inorganic Chemical Reagents

Organometallic Reagents

Boronic Acids and Derivatives Grignard Reagents Organolithium Organosilicon Organotin Organoaluminum Organozinc Reagents Other Organometallic Reagents

Synthetic Reagents

Coupling C-C Bond Formation C-X Bond Formation (Halogen) C-X Bond Formation (Non-halogen) Oxidation Reduction Protection and Derivatization Phase Transfer Catalysts Chelation/Complexation Compounds Lewis Acids (SR05) Organic Acids (SR09) Inorganic Acids(SR10) Phosphazene Bases Organic Bases (SR11) Inorganic Bases (SR12) Inorganic Salts (SR13) Dehydrating Reagents

Specialty Synthesis

SS01 High Boiling Solvent

Ionic Liquids

IL01 Imidazolium Salts (Ionic Liquids) IL02 Pyrrolidinium Salts (Ionic Liquids) IL03 Piperidinium Salts (Ionic Liquids) IL04 Pyridinium Salts (Ionic Liquids) IL05 Ammonium Ionic Liquids IL06 Phosphonium Ionic Liquids IL07 Sulfonium Salts (Ionic Liquids) IL08 Other Ionic Liquids

C High Purity Inorganic Chemical Reagents

D High Purity Organic Chemical Reagents

E General Analytical Chemical Reagents

RE01 Analytical Standard Reagents RE02 Analytical Standard Solutions RE03 Analytical Sensor Reagents RE04 Indicators RE05 pH Paprers/Sticks RE05 pH Paprers/Sticks RE07 Chlomogenic Reagents,Pigments RE99 Other General Analytical Reagents

F Instrument Analytical Reagents

RF01 LPLC/TLC/Paper Chromatography RF02 Gas Chromatography Reagents RF03 HPLC Reagents RF04 Chromatography Standards RF05 NMR Reagents RF06 Reagents for Atomic Absorption Spectrometry & Atomic Emission Spectrometry RF07 IR ,UV Spectrometry Reagents RF08 Fluorescence Analysis Reagents RF09 Electrochemistry Reagents RF10 Microscopy And Electronic Microscopy Reagents RF99 Other Instrument Analytical Reagents

G Biology And Molecular Biology Reagents

RG01 Alkaloids RG02 Amino Acids & Derivatives RG03 Antibiotics RG04 Active Peptides & Derivatives RG05 Biological Buffers RG06 Biological Separation of Materials RG07 Biological Standard Substance RG08 Biogenic Amines RG09 Biological Stain RG10 Saccharides & Derivatives RG11 Cloning Vectors RG12 Coenzymes RG13 Substrate RG14 Enzymes RG15 Gene Probes RG16 Growth Factors,Cytokines RG17 Organization of Chemical Reagents RG18 Immunochemical Reagents RG19 Lipids RG20 Molecular Biology Kits RG21 Nuclear Base，Nucleosides，Nucleotides，Nucleic Acids RG22 Nucleic Acid Synthesis Reagents RG23 Nucleic Acids Polymerase and Modifying Enzymes RG24 Oligonucleotides RG25 Proteins & Derivatives RG26 Protein Reagents RG27 Receptor RG28 Restriction Endonuclease RG29 Steroids RG30 Surfactants RG31 Vitamin RG99 Other Biological Reagents

H Clinical Medical Diagnostic Reagents

RH01 General Clinical Diagnostic Reagents RH02 Clinical Hematology Diagnostic Reagents RH03 Clinical Chemistry Diagnostic Reagents RH04 Clinical Serum Diagnostic Reagents RH05 Clinical Microbiology Diagnostic Reagents RH99 Other Clinical Medical Diagnostic Reagents

K Specialty Chemicals Reagents

RK01 Electron High Purity Reagents RK02 Electronic Microfabrication Photoresist RK03 Electronic Specialty Gases RK04 Diffusant RK05 Polishing Mill Chemicals RK06 Liquid Crystal RK07 Phosphor Powder RK08 TV Specialty Chemicals RK09 Printed Circuit Board Specialty Chemicals RK10 Chemical Power Specialty Chemicals RK11 Photo Films Speciality Chemicals RK12 Optical Industry Chemicals RK13 Printing PS Plate Specialty Chemicals RK13 Printing PS Plate Specialty Chemicals RK14 Metal surface treatment chemicals RK15 Laser Material Chemicals RK16 Organic Light-Emitting Materials RK99 Other Specialty Chemicals

Q Other Reagents

SC Silane Coupling Agent

PI Photopolymerization Initiators

PS Plasticizer

MS Stabilizer

SA Sulfurization Agent

VA Vulcanization Accelerator

Active Pharmaceutical Ingredients & Intermediates

Pesticides & Intermediates

Food & Feed Ingredients

Dyes,Pigments,Paints & Intermediates

Daily-use Chemicals & Intermediates

Polymer Materials & Intermediates

auxiliary chemicals & Catalysts

Other Functional Chemicals & Intermediates