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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
Ethyl propiolate Ethyl propiolate 623-47-2 C5H6O2
5-Bromo-2-hydroxyacetophenone 5-Bromo-2-hydroxyacetophenone 1450-75-5 C8H7BrO2
3-Iodobenzonitrile 3-Iodobenzonitrile 69113-59-3 C7H4IN
4-Nitrobenzaldehyde 4-Nitrobenzaldehyde 555-16-8 C7H5NO3
3-CHLORO-5-METHOXY-BENZOIC ACID 3-CHLORO-5-METHOXY-BENZOIC ACID 82477-67-6 C8H7ClO3
4-Biphenylboronic acid 4-Biphenylboronic acid 5122-94-1 C12H11BO2
4-Methoxyphenol 4-Methoxyphenol 150-76-5 C7H8O2
Ammonium (-)-3-bromo-8-camphorsulfonate Ammonium (-)-3-bromo-8-camphorsulfonate 55870-50-3 C10H18BrNO4S
Protocatechualdehyde Protocatechualdehyde 139-85-5 C7H6O3
Phenylacetyl chloride Phenylacetyl chloride 103-80-0 C8H7ClO
N,N-Diphenyl-p-phenylenediamine N,N-Diphenyl-p-phenylenediamine 74-31-7 C18H16N2
2,3,5-TRICHLOROPHENOL 2,3,5-TRICHLOROPHENOL 933-78-8 C6H3Cl3O
THIOBENZAMIDE THIOBENZAMIDE 2227-79-4 C7H7NS
3,5-Dimethyl-4-hydroxybenzaldehyde 3,5-Dimethyl-4-hydroxybenzaldehyde 2233-18-3 C9H10O2
3-Fluoro-4-methylbenzoic acid 3-Fluoro-4-methylbenzoic acid 350-28-7 C8H7FO2
1,1,3,3-Tetramethyldisilazane 1,1,3,3-Tetramethyldisilazane 15933-59-2 C4H15NSi2
Glutaric anhydride Glutaric anhydride 108-55-4 C5H6O3
4-Fluoro-2-methylbenzoic acid 4-Fluoro-2-methylbenzoic acid 321-21-1 C8H7FO2
4-Nitrobenzyl chloroformate 4-Nitrobenzyl chloroformate 4457-32-3 C8H6ClNO4
4-Chlorophenylacetic acid 4-Chlorophenylacetic acid 1878-66-6 C8H7ClO2
Trimethylsulfonium iodide Trimethylsulfonium iodide 2181-42-2 C3H9IS
m-Tolualdehyde m-Tolualdehyde 620-23-5 C8H8O
2-Bromomalonaldehyde 2-Bromomalonaldehyde 2065-75-0 C3H3BrO2
Bromoacetonitrile Bromoacetonitrile 590-17-0 C2H2BrN
3-Acetamidophenylboronic acid 3-Acetamidophenylboronic acid 78887-39-5 C8H10BNO3
Acetovanillone Acetovanillone 498-02-2 C9H10O3
Bromoacetic acid Bromoacetic acid 79-08-3 C2H3BrO2
4-Pyrazolecarboxylic acid 4-Pyrazolecarboxylic acid 37718-11-9 C4H4N2O2
4-Ethynylbenzonitrile 4-Ethynylbenzonitrile 3032-92-6 C9H5N
N,N'-Dimethyl-1,2-cyclohexanediamine N,N'-Dimethyl-1,2-cyclohexanediamine 61798-24-1 C8H18N2
3-Cyanobenzaldehyde 3-Cyanobenzaldehyde 24964-64-5 C8H5NO
Pivaloylacetonitrile Pivaloylacetonitrile 59997-51-2 C7H11NO
Bis(2-chloroethyl)amine hydrochloride Bis(2-chloroethyl)amine hydrochloride 821-48-7 C4H10Cl3N
5-Chloro-2-methylaniline 5-Chloro-2-methylaniline 95-79-4 C7H8ClN
3-Methoxysalicylaldehyde 3-Methoxysalicylaldehyde 148-53-8 C8H8O3
2,5-Dimethylphenylboronic acid 2,5-Dimethylphenylboronic acid 85199-06-0 C8H11BO2
4'-Hydroxy-4-biphenylcarbonitrile 4'-Hydroxy-4-biphenylcarbonitrile 19812-93-2 C13H9NO
2-AMINO-3-METHOXYBENZOIC ACID 2-AMINO-3-METHOXYBENZOIC ACID 3177-80-8 C8H9NO3
4-Formylbenzoic acid 4-Formylbenzoic acid 619-66-9 C8H6O3
Methyl 3-amino-2-methylbenzoate Methyl 3-amino-2-methylbenzoate 18583-89-6 C9H11NO2
4-Pentylbenzeneboronic acid 4-Pentylbenzeneboronic acid 121219-12-3 C11H17BO2
Diisodecyl phthalate Diisodecyl phthalate 26761-40-0 C28H46O4
3-Chloropropanesulfonyl chloride 3-Chloropropanesulfonyl chloride 1633-82-5 C3H6Cl2O2S
4-VINYLPHENYLBORONIC ACID 4-VINYLPHENYLBORONIC ACID 2156-04-9 C8H9BO2
3,5-Bis(trifluoromethyl)benzoyl chloride 3,5-Bis(trifluoromethyl)benzoyl chloride 785-56-8 C9H3ClF6O
4-Fluorobenzoyl chloride 4-Fluorobenzoyl chloride 403-43-0 C7H4ClFO
3-Chlorophenol 3-Chlorophenol 108-43-0 C6H5ClO
3,5-Dihydroxybenzoic acid 3,5-Dihydroxybenzoic acid 99-10-5 C7H6O4
Methyltrimethoxysilane Methyltrimethoxysilane 1185-55-3 C4H12O3Si
2-CHLORO-2-HYDROXYIMINOACETIC ACID ETHYL ESTER 2-CHLORO-2-HYDROXYIMINOACETIC ACID ETHYL ESTER 14337-43-0 C4H6ClNO3
1,3,5-Benzenetricarboxylic acid chloride 1,3,5-Benzenetricarboxylic acid chloride 4422-95-1 C9H3Cl3O3
tert-Butyl chloroacetate tert-Butyl chloroacetate 107-59-5 C6H11ClO2
Cyclopentanecarboxylic acid Cyclopentanecarboxylic acid 3400-45-1 C6H10O2
4-Cyanobenzoic acid 4-Cyanobenzoic acid 619-65-8 C8H5NO2
Trifluoromethanesulfonic acid Trifluoromethanesulfonic acid 1493-13-6 CHF3O3S
2-Chlorophenylboronic acid 2-Chlorophenylboronic acid 3900-89-8 C6H6BClO2
Trithiocyanuric acid Trithiocyanuric acid 638-16-4 C3H3N3S3
4-Methoxytriphenylmethyl chloride 4-Methoxytriphenylmethyl chloride 14470-28-1 C20H17ClO
Acetone thiosemicarbazone Acetone thiosemicarbazone 1752-30-3 C4H9N3S
Ethyl (trimethylsilyl)acetate Ethyl (trimethylsilyl)acetate 4071-88-9 C7H16O2Si
2-Benzylacrylic acid 2-Benzylacrylic acid 5669-19-2 C10H10O2
Phthaloyl dichloride Phthaloyl dichloride 88-95-9 C8H4Cl2O2
tert-Butyl N-hydroxycarbamate tert-Butyl N-hydroxycarbamate 36016-38-3 C5H11NO3
Triethoxyoctylsilane Triethoxyoctylsilane 2943-75-1 C14H32O3Si
1,4-Dicyanobenzene 1,4-Dicyanobenzene 623-26-7 C8H4N2
3'-(Trifluoromethyl)acetophenone 3'-(Trifluoromethyl)acetophenone 349-76-8 C9H7F3O
3-(Trifluoromethoxy)benzoic acid 3-(Trifluoromethoxy)benzoic acid 1014-81-9 C8H5F3O3
1,10-DIAMINODECANE 1,10-DIAMINODECANE 646-25-3 C10H24N2
2,5-Dibromonitrobenzene 2,5-Dibromonitrobenzene 3460-18-2 C6H3Br2NO2
Ethyl 4-dimethylaminobenzoate Ethyl 4-dimethylaminobenzoate 10287-53-3 C11H15NO2
2-Methoxypyridine-3-boronic acid 2-Methoxypyridine-3-boronic acid 163105-90-6 C6H8BNO3
4-Trifluoromethylphenylboronic acid 4-Trifluoromethylphenylboronic acid 128796-39-4 C7H6BF3O2
3,4-Dimethoxyphenylboronic acid 3,4-Dimethoxyphenylboronic acid 122775-35-3 C8H11BO4
2-Methoxycarbonylphenylboronic acid 2-Methoxycarbonylphenylboronic acid 374538-03-1 C8H9BO4
3,4-Dimethoxybenzyl alcohol 3,4-Dimethoxybenzyl alcohol 93-03-8 C9H12O3
1-Tetralone 1-Tetralone 529-34-0 C10H10O
3,4-Dihydroxyphenylacetic acid 3,4-Dihydroxyphenylacetic acid 102-32-9 C8H8O4
N,O-Bis(trimethylsilyl)acetamide N,O-Bis(trimethylsilyl)acetamide 10416-59-8 C8H21NOSi2
4-Bromo-2-hydroxybenzaldehyde 4-Bromo-2-hydroxybenzaldehyde 22532-62-3 C7H5BrO2
1-NONANESULFONIC ACID SODIUM SALT 1-NONANESULFONIC ACID SODIUM SALT 35192-74-6 C9H19NaO3S
4-(Trifluoromethyl)benzoic acid 4-(Trifluoromethyl)benzoic acid 455-24-3 C8H5F3O2
4-Fluoro-3-nitrobenzoic acid 4-Fluoro-3-nitrobenzoic acid 453-71-4 C7H4FNO4
3-Bromobenzoyl chloride 3-Bromobenzoyl chloride 1711-09-7 C7H4BrClO
2-BROMOPHENETHYLALCOHOL 2-BROMOPHENETHYLALCOHOL 1074-16-4 C8H9BrO
Methoxyacetic acid Methoxyacetic acid 625-45-6 C3H6O3
4-HYDROXY-6-(TRIFLUOROMETHYL)PYRIMIDINE-2-THIOL 4-HYDROXY-6-(TRIFLUOROMETHYL)PYRIMIDINE-2-THIOL 368-54-7 C5H3F3N2OS
Syringaldehyde Syringaldehyde 134-96-3 C9H10O4
4-Bromophenylacetic acid 4-Bromophenylacetic acid 1878-68-8 C8H7BrO2
3-Iodobenzoic acid 3-Iodobenzoic acid 618-51-9 C7H5IO2
Dibenzothiophene Dibenzothiophene 132-65-0 C12H8S
Lanthanum trifluoromethanesulfonate Lanthanum trifluoromethanesulfonate 52093-26-2 C3F9LaO9S3
3-Cyclohexene-1-carboxaldehyde 3-Cyclohexene-1-carboxaldehyde 100-50-5 C7H10O
(S)-(+)-Mandelic acid (S)-(+)-Mandelic acid 17199-29-0 C8H8O3
3-Butyn-1-ol 3-Butyn-1-ol 927-74-2 C4H6O
3-Bromobenzonitrile 3-Bromobenzonitrile 6952-59-6 C7H4BrN
1,6-Dibromohexane 1,6-Dibromohexane 629-03-8 C6H12Br2
3-Aminopropyltrimethoxysilane 3-Aminopropyltrimethoxysilane 13822-56-5 C6H17NO3Si
5-Nitroisophthalic acid 5-Nitroisophthalic acid 618-88-2 C8H5NO6
3-Methoxypropionitrile 3-Methoxypropionitrile 110-67-8 C4H7NO
2,5-Dichlorobenzonitrile 2,5-Dichlorobenzonitrile 21663-61-6 C7H3Cl2N
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