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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
p-Phenylenediamine p-Phenylenediamine 106-50-3 C6H8N2
2-Bromobenzyl cyanide 2-Bromobenzyl cyanide 19472-74-3 C8H6BrN
Chrysene Chrysene 218-01-9 C18H12
5-Chloro-2-mercaptobenzimidazole 5-Chloro-2-mercaptobenzimidazole 25369-78-2 C7H5ClN2S
Phenylacetylene Phenylacetylene 536-74-3 C8H6
3-Bromophenol 3-Bromophenol 591-20-8 C6H5BrO
4-Acetylbiphenyl 4-Acetylbiphenyl 92-91-1 C14H12O
2,3-Dimethylbenzoic acid 2,3-Dimethylbenzoic acid 603-79-2 C9H10O2
3-BOC-3-METHYLAMINOAZATIDINE 3-BOC-3-METHYLAMINOAZATIDINE 577777-20-9 C9H18N2O2
Isobutaneboronic acid Isobutaneboronic acid 84110-40-7 C4H11BO2
4'-(Trifluoromethyl)acetophenone 4'-(Trifluoromethyl)acetophenone 709-63-7 C9H7F3O
3-Methoxybenzaldehyde 3-Methoxybenzaldehyde 591-31-1 C8H8O2
3-Cyclohexylaminopropanesulfonic Acid 3-Cyclohexylaminopropanesulfonic Acid 1135-40-6 C9H19NO3S
4-(Trifluoromethoxy)phenyl isocyanate 4-(Trifluoromethoxy)phenyl isocyanate 35037-73-1 C8H4F3NO2
Benzophenone imine Benzophenone imine 1013-88-3 C13H11N
2-Methoxypropene 2-Methoxypropene 116-11-0 C4H8O
Methanedisulphonic acid Methanedisulphonic acid 503-40-2 CH4O6S2
trans-Methyl crotonate trans-Methyl crotonate 623-43-8 C5H8O2
Ethyl S-4-chloro-3-hydroxybutyrate Ethyl S-4-chloro-3-hydroxybutyrate 86728-85-0 C6H11ClO3
5-Bromosalicylic acid 5-Bromosalicylic acid 89-55-4 C7H5BrO3
2-AMINO-5-BROMOBENZONITRILE 2-AMINO-5-BROMOBENZONITRILE 39263-32-6 C7H5BrN2
Glyoxylic acid Glyoxylic acid 298-12-4 C2H2O3
2,6-DICHLOROPHENYLTHIOUREA 2,6-DICHLOROPHENYLTHIOUREA 6590-91-6 C7H6Cl2N2S
1-BENZOYL-2-THIOUREA 1-BENZOYL-2-THIOUREA 614-23-3 C8H8N2OS
5-Bromo-2-methylaniline 5-Bromo-2-methylaniline 39478-78-9 C7H8BrN
Glycolic acid Glycolic acid 79-14-1 C2H4O3
Phenyltrimethylammonium tribromide Phenyltrimethylammonium tribromide 4207-56-1 C9H14Br3N-2
4-Fluoro-3-(trifluoromethyl)benzoic acid 4-Fluoro-3-(trifluoromethyl)benzoic acid 67515-55-3 C8H4F4O2
5-Fluorosalicylic acid 5-Fluorosalicylic acid 345-16-4 C7H5FO3
5-Bromo-2-chlorobenzoic acid 5-Bromo-2-chlorobenzoic acid 21739-92-4 C7H4BrClO2
2-Chlorobenzenesulfonyl chloride 2-Chlorobenzenesulfonyl chloride 2905-23-9 C6H4Cl2O2S
tert-Butyl carbazate tert-Butyl carbazate 870-46-2 C5H12N2O2
2,2',4'-Trichloroacetophenone 2,2',4'-Trichloroacetophenone 4252-78-2 C8H5Cl3O
4-Aminoveratrole 4-Aminoveratrole 6315-89-5 C8H11NO2
4-(Trifluoromethyl)benzene-1-sulfonyl chloride 4-(Trifluoromethyl)benzene-1-sulfonyl chloride 2991-42-6 C7H4ClF3O2S
2-Fluoro-4-methoxybenzaldehyde 2-Fluoro-4-methoxybenzaldehyde 331-64-6 C8H7FO2
5-Methoxy-1-indanone 5-Methoxy-1-indanone 5111-70-6 C10H10O2
3,5-Bis(trifluoromethyl)benzaldehyde 3,5-Bis(trifluoromethyl)benzaldehyde 401-95-6 C9H4F6O
Quinoline-5-boronic acid Quinoline-5-boronic acid 355386-94-6 C9H8BNO2
trans-1,4-Dichloro-2-butene trans-1,4-Dichloro-2-butene 110-57-6 C4H6Cl2
15-Crown-5 15-Crown-5 33100-27-5 C10H20O5
2',6'-Dihydroxyacetophenone 2',6'-Dihydroxyacetophenone 699-83-2 C8H8O3
3-Amino-4-pyrazolecarboxamide hemisulfate 3-Amino-4-pyrazolecarboxamide hemisulfate 27511-79-1 C8H14N8O6S
Gamma Butyrolactone Gamma Butyrolactone 96-48-0 C4H6O2
p-Toluoyl chloride p-Toluoyl chloride 874-60-2 C8H7ClO
2-Iodobenzonitrile 2-Iodobenzonitrile 4387-36-4 C7H4IN
Bromotrimethylsilane Bromotrimethylsilane 2857-97-8 C3H9BrSi
2-Bromobenzyl alcohol 2-Bromobenzyl alcohol 18982-54-2 C7H7BrO
4-CHLOROPHENYL CHLOROFORMATE 4-CHLOROPHENYL CHLOROFORMATE 7693-45-0 C7H4Cl2O2
7H-Pyrrolo[2,3-d]pyrimidine 7H-Pyrrolo[2,3-d]pyrimidine 271-70-5 C6H5N3
alpha,alpha,alpha-Trifluoro-o-toluoyl chloride alpha,alpha,alpha-Trifluoro-o-toluoyl chloride 329-15-7 C8H4ClF3O
2-Bromopropiophenone 2-Bromopropiophenone 2114-00-3 C9H9BrO
3-Bromo-4-chlorobenzoic acid 3-Bromo-4-chlorobenzoic acid 42860-10-6 C7H4BrClO2
Ethoxymethylenemalononitrile Ethoxymethylenemalononitrile 123-06-8 C6H6N2O
2-PHENYLPROPIONIC ACID 2-PHENYLPROPIONIC ACID 492-37-5 C9H10O2
DIETHYL BROMOMALONATE DIETHYL BROMOMALONATE 685-87-0 C7H11BrO4
tert-Butylchlorodiphenylsilane tert-Butylchlorodiphenylsilane 58479-61-1 C16H19ClSi
2-Hydroxybenzyl alcohol 2-Hydroxybenzyl alcohol 90-01-7 C7H8O2
1,3-Cyclopentanedione 1,3-Cyclopentanedione 3859-41-4 C5H6O2
2-Cyanophenol 2-Cyanophenol 611-20-1 C7H5NO
4-Ethylphenylacetylene 4-Ethylphenylacetylene 40307-11-7 C10H10
3-Chloropropiophenone 3-Chloropropiophenone 936-59-4 C9H9ClO
Cysteamine hydrochloride Cysteamine hydrochloride 156-57-0 C2H8ClNS
3-Fluorobenzyl chloride 3-Fluorobenzyl chloride 456-42-8 C7H6ClF
4,4'-Oxybisbenzoic acid 4,4'-Oxybisbenzoic acid 2215-89-6 C14H10O5
Benzyloxyacetic acid Benzyloxyacetic acid 30379-55-6 C9H10O3
Mucobromic acid Mucobromic acid 488-11-9 C4H2Br2O3
3-Fluorophenylboronic acid 3-Fluorophenylboronic acid 768-35-4 C6H6BFO2
Ethyl 4-hydroxy-3-methoxycinnamate Ethyl 4-hydroxy-3-methoxycinnamate 4046-02-0 C12H14O4
Methyl 3-bromopropionate Methyl 3-bromopropionate 3395-91-3 C4H7BrO2
4-METHOXY-3-METHYLPHENYLACETIC ACID 4-METHOXY-3-METHYLPHENYLACETIC ACID 4513-73-9 C10H12O3
Triethoxyisobutylsilane Triethoxyisobutylsilane 17980-47-1 C10H24O3Si
4-Propylphenylboronic acid 4-Propylphenylboronic acid 134150-01-9 C9H13BO2
2,2-Dimethoxypropane 2,2-Dimethoxypropane 77-76-9 C5H12O2
1,10-Decanedithiol 1,10-Decanedithiol 1191-67-9 C10H22S2
Atracurium besylate Atracurium besylate 64228-81-5 C65H82N2O18S2
6-Methylpyridine-3-boronic Acid 6-Methylpyridine-3-boronic Acid 659742-21-9 C6H8BNO2
Benzethonium chloride Benzethonium chloride 121-54-0 C27H42ClNO2
Oxazole-4-carboxylic acid Oxazole-4-carboxylic acid 23012-13-7 C4H3NO3
4,4'-DIAZIDOSTILBENE-2,2'-DISULFONIC ACID DISODIUM SALT 4,4'-DIAZIDOSTILBENE-2,2'-DISULFONIC ACID DISODIUM SALT 2718-90-3 C14H11N6NaO6S2
BENZYLBORONIC ACID PINACOL ESTER BENZYLBORONIC ACID PINACOL ESTER 87100-28-5 C13H19BO2
N-Benzylmaleimide N-Benzylmaleimide 1631-26-1 C11H9NO2
2-Diethylaminoethanethiol 2-Diethylaminoethanethiol 100-38-9 C6H15NS
p-Toluenethiol p-Toluenethiol 106-45-6 C7H8S
4-Bromophenethyl alcohol 4-Bromophenethyl alcohol 4654-39-1 C8H9BrO
DOTA DOTA 60239-18-1 C16H28N4O8
3-Benzyloxybenzeneboronic acid 3-Benzyloxybenzeneboronic acid 156682-54-1 C13H13BO3
5-Bromosalicylaldehyde 5-Bromosalicylaldehyde 1761-61-1 C7H5BrO2
Mandelic acid Mandelic acid 611-71-2 C8H8O3
Benzyl 2-bromoacetate Benzyl 2-bromoacetate 5437-45-6 C9H9BrO2
2'-Methylacetophenone 2'-Methylacetophenone 577-16-2 C9H10O
4-Aminodiphenylamine 4-Aminodiphenylamine 101-54-2 C12H12N2
2-Bromophenylboronic acid 2-Bromophenylboronic acid 244205-40-1 C6H6BBrO2
Valeryl chloride Valeryl chloride 638-29-9 C5H9ClO
BENZYLTHIOUREA BENZYLTHIOUREA 621-83-0 C8H10N2S
cis-1,4-Dichloro-2-butene cis-1,4-Dichloro-2-butene 1476-11-5 C4H6Cl2
(-)-Diisopinocampheyl chloroborane (-)-Diisopinocampheyl chloroborane 85116-37-6 C20H34BCl
1,1-Cyclopropanedicarboxylic acid 1,1-Cyclopropanedicarboxylic acid 598-10-7 C5H6O4
2-Bromobenzene-1,3-dialdehyde 2-Bromobenzene-1,3-dialdehyde 79839-49-9 C8H5BrO2
2-Fluoro-4-hydroxyphenylacetic acid 2-Fluoro-4-hydroxyphenylacetic acid 68886-07-7 C8H7FO3
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