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Chemical Reagents

Chemicals reagents are commonly referred to as reagent. It is a large class of pure chemical substances with various standard purities and can be used for education, scientific research, analysis and testing as well as the functional materials and raw materials required by some kinds of novel industrial materials. There is a large variety of chemical reagents and the number has reached hundreds of thousands in the world. There are also tens of thousands of reagents that have been used in daily life in china.
There is still no uniform international rules in the classification methods for chemicals. It is customary divided by subject and actual application. Take the representative catalog issued by the Germany E • Merck Company as example, there are twelve categories and seventy categories while in most countries, it is divided with the scope of application. We divide the reagents into four categories.

1. General reagents: generally refers to inorganic reagents and organic reagents that can meet standard purity. It is often applied to scientific research, analysis and testing, and synthetic reaction and used as new materials.

2. Analysis Reagents: regent dedicated to analysis and test and can be divided into two subcategories:
(1) Reagents for chemical analysis: testing items for the chemical reaction analysis.
      1) Baseline Reagent: pure compound directly used for the standard solution in the formulation and volumetric analysis.
      2) Indicator: it can be used to indicate the end of the titration reagent and can be classified into pH indicator, redox indicator adsorption indicator, metal indicator, a fluorescent indicator, and so on.
(2) Regents for instrument analysis: high-purity compounds dedicated to instrumental analysis.
       1) Spectroscopically pure reagents: spectroscopically pure compound, often expressed in the SP for spectral analysis reagents.
        2) Chromatography pure reagents: reagents dedicated to analysis of gas chromatography and liquid chromatography analysis.
       3) Deuterated reagents: reagent decided to the analysis of the nuclear resonance instrument.

3. Reagents of electronics industry: special chemical products dedicated to electronics industry.
1)  MOS Reagents: the particle concentration is consistent with ASTM "O" level, being microelectronics dedicated reagent.
2)  high-purity reagents: also known as ultra high purity reagents such as purity of 99.99%, called 4N, 99.999% referred to 5N. They are generally used for scientific research and physical and chemical trace analysis, fiber-optic communications, microelectronics, semiconductors, lasers and so on.
3)  In addition, there are also optically pure reagents, photoresist and other kinds of fine chemical products of special properties.

4. Biochemical reagents: they are basic chemical substances extracted from living organisms or chemically synthesized and is a large type of reagent as important reagents for biological component research and analysis and identification including clinical immunology reagents, genetic engineering reagent, cell culture reagents, hormone-type substances, reagent for poison carcinogenic research and reagent for anti-mold and insecticide research. In short, they are reagents for scientific research such as exploring the mysteries of life and disease prevention as well as testing agents, being pure compound related to medicine and pharmacology.

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Structure Chemical Name CAS MF
2-Amino-5-chlorobenzonitrile 2-Amino-5-chlorobenzonitrile 5922-60-1 C7H5ClN2
1-ADAMANTYLTHIOUREA 1-ADAMANTYLTHIOUREA 25444-82-0 C11H18N2S
Triethanolamine borate Triethanolamine borate 283-56-7 C6H12BNO3
1,2-Phenylenediacetic acid 1,2-Phenylenediacetic acid 7500-53-0 C10H10O4
2,2,3,3-TETRAFLUOROPROPYL 4-TOLUENESULFONATE 2,2,3,3-TETRAFLUOROPROPYL 4-TOLUENESULFONATE 786-31-2 C10H10F4O3S
Sodium 2-phenylindole-5-sulfonate Sodium 2-phenylindole-5-sulfonate 119205-39-9 C14H10NNaO3S
4-(TRIMETHYLSILOXY)BENZALDEHYDE 4-(TRIMETHYLSILOXY)BENZALDEHYDE 1012-12-0 C10H14O2Si
1-PHENYL-3-THIOSEMICARBAZIDE 1-PHENYL-3-THIOSEMICARBAZIDE 645-48-7 C7H9N3S
LITHIUM NONAFLUOROBUTANESULFONATE LITHIUM NONAFLUOROBUTANESULFONATE 131651-65-5 C4H2F9LiO3S
Tetrapropoxysilane Tetrapropoxysilane 682-01-9 C12H28O4Si
1H,1H,2H,2H-PERFLUORODECYLMETHYLDICHLOROSILANE 1H,1H,2H,2H-PERFLUORODECYLMETHYLDICHLOROSILANE 3102-79-2 C11H7Cl2F17Si
3-Fluoro-4-hydroxybenzaldehyde 3-Fluoro-4-hydroxybenzaldehyde 405-05-0 C7H5FO2
Methyl Oleate Methyl Oleate 112-62-9 C19H36O2
3,5-Bis(tert-butyl)benzaldehyde 3,5-Bis(tert-butyl)benzaldehyde 17610-00-3 C15H22O
Tetradecyl trimethyl ammonium chloride Tetradecyl trimethyl ammonium chloride 4574-04-3 C17H38ClN
N-Cyanoimido-S,S-dimethyl-dithiocarbonate N-Cyanoimido-S,S-dimethyl-dithiocarbonate 10191-60-3 C4H6N2S2
Amidinothiourea Amidinothiourea 2114-02-5 C2H6N4S
2,2,2-Trifluoroethyl methacrylate 2,2,2-Trifluoroethyl methacrylate 352-87-4 C6H7F3O2
3-Chloro-4-fluoroacetophenone 3-Chloro-4-fluoroacetophenone 2923-66-2 C8H6ClFO
4-(2-Bromoacetyl)benzonitrile 4-(2-Bromoacetyl)benzonitrile 20099-89-2 C9H6BrNO
2,4-Dinitrobenzaldehyde 2,4-Dinitrobenzaldehyde 528-75-6 C7H4N2O5
2-Adamantanol 2-Adamantanol 700-57-2 C10H16O
5-HYDROXY-ISOPHTHALONITRILE 5-HYDROXY-ISOPHTHALONITRILE 79370-78-8 C8H4N2O
Valeronitrile Valeronitrile 110-59-8 C5H9N
Phenylurea Phenylurea 64-10-8 C7H8N2O
Benzylparaben Benzylparaben 94-18-8 C14H12O3
4-Difluoromethoxy-3-hydroxybenzaldehyde 4-Difluoromethoxy-3-hydroxybenzaldehyde 151103-08-1 C8H6F2O3
2-FLUORO-4-(TRIFLUOROMETHYL)BENZOIC ACID 2-FLUORO-4-(TRIFLUOROMETHYL)BENZOIC ACID 115029-24-8 C8H4F4O2
2-(Dimethylamino)ethyl methacrylate 2-(Dimethylamino)ethyl methacrylate 2867-47-2 C8H15NO2
TRIETHYL(TRIFLUOROMETHYL)SILANE TRIETHYL(TRIFLUOROMETHYL)SILANE 120120-26-5 C7H15F3Si
3,5-Dimethoxyphenol 3,5-Dimethoxyphenol 500-99-2 C8H10O3
4-Bis(4-methylphenyl)aminobenzaldehyde-1,1-diphenyl-hydrazone 4-Bis(4-methylphenyl)aminobenzaldehyde-1,1-diphenyl-hydrazone 83992-95-4 C33H29N3
Carbic anhydride Carbic anhydride 129-64-6 C9H8O3
5-Bromovaleryl chloride 5-Bromovaleryl chloride 4509-90-4 C5H8BrClO
3-Hydroxy-4-methoxybenzyl alcohol 3-Hydroxy-4-methoxybenzyl alcohol 4383-06-6 C8H10O3
2,4'-Difluorobenzophenone 2,4'-Difluorobenzophenone 342-25-6 C13H8F2O
4-Carboxylphenylboronic acid pinacol ester 4-Carboxylphenylboronic acid pinacol ester 180516-87-4 C13H17BO4
3-Iodoanisole 3-Iodoanisole 766-85-8 C7H7IO
2-Methylbenzyl alcohol 2-Methylbenzyl alcohol 89-95-2 C8H10O
3-(HEPTAFLUOROISOPROPOXY)PROPYLTRICHLOROSILANE 3-(HEPTAFLUOROISOPROPOXY)PROPYLTRICHLOROSILANE 15538-93-9 C6H6Cl3F7OSi
1-(4-ETHOXYPHENYL)-2-THIOUREA 1-(4-ETHOXYPHENYL)-2-THIOUREA 880-29-5 C9H12N2OS
1-Aminoindan 1-Aminoindan 34698-41-4 C9H11N
Bis(4-bromophenyl) ether Bis(4-bromophenyl) ether 2050-47-7 C12H8Br2O
(S)-(-)-Methyl 2-chloropropionate (S)-(-)-Methyl 2-chloropropionate 73246-45-4 C4H7ClO2
3-Ethylphenol 3-Ethylphenol 620-17-7 C8H10O
3,5-Dimethoxybenzylamine 3,5-Dimethoxybenzylamine 34967-24-3 C9H13NO2
3-Nitrophenacylbromide 3-Nitrophenacylbromide 2227-64-7 C8H6BrNO3
3-AMINOPROPYLDIMETHYLETHOXYSILANE 3-AMINOPROPYLDIMETHYLETHOXYSILANE 18306-79-1 C7H19NOSi
Butylated hydroxyanisole Butylated hydroxyanisole 25013-16-5 C11H16O2
4-(2-METHYLPHENYL)-3-THIOSEMICARBAZIDE 4-(2-METHYLPHENYL)-3-THIOSEMICARBAZIDE 614-10-8 C8H11N3S
5-Bromoisatoic anhydride 5-Bromoisatoic anhydride 4692-98-2 C8H4BrNO3
3,5-Dibromosalicylaldehyde 3,5-Dibromosalicylaldehyde 90-59-5 C7H4Br2O2
2-Chloro-N,N-dimethylacetamide 2-Chloro-N,N-dimethylacetamide 2675-89-0 C4H8ClNO
Ethyl bromopyruvate Ethyl bromopyruvate 70-23-5 C5H7BrO3
3-Ethyl-3-oxetanemethanol 3-Ethyl-3-oxetanemethanol 3047-32-3 C6H12O2
(4-BROMOPHENOXY)TRIMETHYLSILANE (4-BROMOPHENOXY)TRIMETHYLSILANE 17878-44-3 C9H13BrOSi
Amino-2-propanol Amino-2-propanol 78-96-6 C3H9NO
2-PHENYLETHYLTHIOUREA 2-PHENYLETHYLTHIOUREA 6815-00-5 C9H12N2S
HEPTAFLUOROBUTYRYLAMIDINE HEPTAFLUOROBUTYRYLAMIDINE 375-19-9 C4H3F7N2
Diethyl adipate Diethyl adipate 141-28-6 C10H18O4
Dimethyl 1,4-cyclohexanedicarboxylate Dimethyl 1,4-cyclohexanedicarboxylate 94-60-0 C10H16O4
2,4-Difluorobenzenethiol 2,4-Difluorobenzenethiol 1996-44-7 C6H4F2S
2,4-DICHLOROPHENETHYL ALCOHOL 2,4-DICHLOROPHENETHYL ALCOHOL 81156-68-5 C8H8Cl2O
Diallyl maleate Diallyl maleate 999-21-3 C10H12O4
4-METHOXYBENZENETHIOL 4-METHOXYBENZENETHIOL 696-63-9 C7H8OS
BIS(4-NITROPHENYL) CARBONATE BIS(4-NITROPHENYL) CARBONATE 5070-13-3 C13H8N2O7
Glycidyl phenyl ether Glycidyl phenyl ether 122-60-1 C9H10O2
1-Methoxy-2-propyl acetate 1-Methoxy-2-propyl acetate 108-65-6 C6H12O3
2,4-DIAMINOFLUOROBENZENE 2,4-DIAMINOFLUOROBENZENE 6264-67-1 C6H7FN2
Ethyltriphenylphosphonium iodide Ethyltriphenylphosphonium iodide 4736-60-1 C20H20IP
Diethyl phenylmalonate Diethyl phenylmalonate 83-13-6 C13H16O4
5-CHLORO-2-HYDROXYPHENYLBORONIC ACID 5-CHLORO-2-HYDROXYPHENYLBORONIC ACID 89488-25-5 C6H6BClO3
2-(Trifluoromethyl)benzyl alcohol 2-(Trifluoromethyl)benzyl alcohol 346-06-5 C8H7F3O
4-(2,6-DIMETHYLPHENYL)-3-THIOSEMICARBAZIDE 4-(2,6-DIMETHYLPHENYL)-3-THIOSEMICARBAZIDE 71058-35-0 C9H13N3S
TERT-BUTYL PROPIOLATE TERT-BUTYL PROPIOLATE 13831-03-3 C7H10O2
3,4-DIBROMOSULFOLANE 3,4-DIBROMOSULFOLANE 15091-30-2 C4H6Br2O2S
1,3-Diphenylurea 1,3-Diphenylurea 102-07-8 C13H12N2O
Glyoxylic acid monohydrate Glyoxylic acid monohydrate 563-96-2 C2H4O4
Vinyl tris(trimethylsiloxy)silane Vinyl tris(trimethylsiloxy)silane 5356-84-3 C11H30O3Si4
1-NAPHTHOHYDROXAMIC ACID 1-NAPHTHOHYDROXAMIC ACID 6953-61-3 C11H9NO2
N-(3-Triethoxysilylpropyl)ethylenediamine N-(3-Triethoxysilylpropyl)ethylenediamine 5089-72-5 C11H28N2O3Si
Valerophenone Valerophenone 1009-14-9 C11H14O
2,3-Butanedione monoxime 2,3-Butanedione monoxime 57-71-6 C4H7NO2
1,5-Difluoro-2,4-dinitrobenzene 1,5-Difluoro-2,4-dinitrobenzene 327-92-4 C6H2F2N2O4
10-Bromodecanol 10-Bromodecanol 53463-68-6 C10H21BrO
CATECHOLBORANE CATECHOLBORANE 274-07-7 C6H5BO2
2-Hydroxy-1,4-naphoquinone 2-Hydroxy-1,4-naphoquinone 83-72-7 C10H6O3
3-AZETIDINECARBOXYLIC ACID, METHYL ESTER, HYDROCHLORIDE 3-AZETIDINECARBOXYLIC ACID, METHYL ESTER, HYDROCHLORIDE 100202-39-9 C5H10ClNO2
ALLYLTRIISOPROPYLSILANE ALLYLTRIISOPROPYLSILANE 24400-84-8 C12H26Si
Oxamide Oxamide 471-46-5 C2H4N2O2
4-Chlorobenzenesulfonic acid potassium salt 4-Chlorobenzenesulfonic acid potassium salt 78135-07-6 C6H4ClKO3S
1,12-Dodecanediol 1,12-Dodecanediol 5675-51-4 C12H26O2
Cyclopentanecarbaldehyde Cyclopentanecarbaldehyde 872-53-7 C6H10O
PYRIDINE-3-SULFONIC ACID SODIUM SALT PYRIDINE-3-SULFONIC ACID SODIUM SALT 15521-77-4 C5H6NNaO3S
1,8-Diaminonaphthalene 1,8-Diaminonaphthalene 479-27-6 C10H10N2
Tetra-(methylethylketoxime)silane Tetra-(methylethylketoxime)silane 34206-40-1 C16H32N4O4Si
Phenethyl isothiocyanate Phenethyl isothiocyanate 2257-09-2 C9H9NS
1-Methylcyclopentanol 1-Methylcyclopentanol 1462-03-9 C6H12O
Ethyl 2,4-dioxovalerate Ethyl 2,4-dioxovalerate 615-79-2 C7H10O4
Perfluoropropionic anhydride Perfluoropropionic anhydride 356-42-3 C6F10O3
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