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
4-Hydroxyphenethyl alcohol 4-Hydroxyphenethyl alcohol 501-94-0 C8H10O2
2-Bromo-3-methylbenzoic acid 2-Bromo-3-methylbenzoic acid 53663-39-1 C8H7BrO2
3,5-Dihydroxyacetophenone 3,5-Dihydroxyacetophenone 51863-60-6 C8H8O3
2'-Bromoacetophenone 2'-Bromoacetophenone 2142-69-0 C8H7BrO
3'-Fluoroacetophenone 3'-Fluoroacetophenone 455-36-7 C8H7FO
3,3-Dimethylbutyryl chloride 3,3-Dimethylbutyryl chloride 7065-46-5 C6H11ClO
1,5-EDANS SODIUM SALT 1,5-EDANS SODIUM SALT 100900-07-0 C12H13N2NaO3S
Cyclobutanemethanol Cyclobutanemethanol 4415-82-1 C5H10O
DL-Tartaric acid DL-Tartaric acid 133-37-9 C4H6O6
9-Anthraldehyde 9-Anthraldehyde 642-31-9 C15H10O
Ethyl 4-bromobutyrate Ethyl 4-bromobutyrate 2969-81-5 C6H11BrO2
3-(TRIFLUOROMETHYL)BENZYL MERCAPTAN 3-(TRIFLUOROMETHYL)BENZYL MERCAPTAN 25697-55-6 C8H7F3S
Sodium 2-naphthol-7-sulfonate Sodium 2-naphthol-7-sulfonate 135-55-7 C10H9NaO4S
(S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl (S)-(-)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl 76189-56-5 C44H32P2
2-Hydroxyethylhydrazine 2-Hydroxyethylhydrazine 109-84-2 C2H8N2O
2-Tolylboronic acid 2-Tolylboronic acid 16419-60-6 C7H9BO2
α-Lipoic Acid α-Lipoic Acid 1077-28-7 C8H14O2S2
5-Bromofuroic acid 5-Bromofuroic acid 585-70-6 C5H3BrO3
2',4'-Difluoroacetophenone 2',4'-Difluoroacetophenone 364-83-0 C8H6F2O
4-METHYLPHENYLTHIOUREA 4-METHYLPHENYLTHIOUREA 622-52-6 C8H10N2S
Perylene Perylene 198-55-0 C20H12
4-Methoxyphenylacetone 4-Methoxyphenylacetone 122-84-9 C10H12O2
Methyl carbazate Methyl carbazate 6294-89-9 C2H6N2O2
1-(Trimethylsilyl)-1-propyne 1-(Trimethylsilyl)-1-propyne 6224-91-5 C6H12Si
4-Fluoro-2-methylphenylboronic acid 4-Fluoro-2-methylphenylboronic acid 139911-29-8 C7H8BFO2
Sodium dicyanamide Sodium dicyanamide 1934-75-4 C2N3Na
4-Aminophenylboronic acid pinacol ester 4-Aminophenylboronic acid pinacol ester 214360-73-3 C12H18BNO2
Carboxymethoxylamine hemihydrochloride Carboxymethoxylamine hemihydrochloride 2921-14-4 C2H6ClNO3
Dimethyl maleate Dimethyl maleate 624-48-6 C6H8O4
3-Hydroxybenzoic acid 3-Hydroxybenzoic acid 99-06-9 C7H6O3
4-Chloro-1-butanol 4-Chloro-1-butanol 928-51-8 C4H9ClO
4-Fluoro-3-(trifluoromethyl)aniline 4-Fluoro-3-(trifluoromethyl)aniline 2357-47-3 C7H5F4N
Methyl 5-chloroanthranilate Methyl 5-chloroanthranilate 5202-89-1 C8H8ClNO2
Ethyl 4-bromophenylacetate Ethyl 4-bromophenylacetate 14062-25-0 C10H11BrO2
4,4'-Diaminodicyclohexyl methane 4,4'-Diaminodicyclohexyl methane 1761-71-3 C13H26N2
4-Methoxyphenylacetic acid 4-Methoxyphenylacetic acid 104-01-8 C9H10O3
3-Chlorobenzyl cyanide 3-Chlorobenzyl cyanide 1529-41-5 C8H6ClN
Ethylparaben Ethylparaben 120-47-8 C9H10O3
2-ACETYLBENZENECARBONITRILE 2-ACETYLBENZENECARBONITRILE 91054-33-0 C9H7NO
5-Nitrosalicylic acid 5-Nitrosalicylic acid 96-97-9 C7H5NO5
D-3-Bromocamphor-8-sulfonic acid ammonium salt D-3-Bromocamphor-8-sulfonic acid ammonium salt 14575-84-9 C10H18BrNO4S
3-BROMO-4-CHLORO-BENZALDEHYDE 3-BROMO-4-CHLORO-BENZALDEHYDE 86265-88-5 C7H4BrClO
4-Chlorobutyryl chloride 4-Chlorobutyryl chloride 4635-59-0 C4H6Cl2O
9-Anthraceneboronic acid 9-Anthraceneboronic acid 100622-34-2 C14H11BO2
2,2,2-Trifluoroethyl trifluoromethanesulfonate 2,2,2-Trifluoroethyl trifluoromethanesulfonate 6226-25-1 C3H2F6O3S
1,2-Dimethoxybenzene 1,2-Dimethoxybenzene 91-16-7 C8H10O2
Benzyltrimethylammonium chloride Benzyltrimethylammonium chloride 56-93-9 C10H16ClN
2,5-Dimethylbenzoic acid 2,5-Dimethylbenzoic acid 610-72-0 C9H10O2
4'-Fluoro-2'-hydroxyacetophenone 4'-Fluoro-2'-hydroxyacetophenone 1481-27-2 C8H7FO2
Phenyl vinyl sulfone Phenyl vinyl sulfone 5535-48-8 C8H8O2S
1-TRIMETHYLSILYL-1,2,4-TRIAZOLE 1-TRIMETHYLSILYL-1,2,4-TRIAZOLE 18293-54-4 C5H11N3Si
Cyclen Cyclen 294-90-6 C8H20N4
7-Methoxy-1-tetralone 7-Methoxy-1-tetralone 6836-19-7 C11H12O2
3-(TRIMETHYLSILYL)-1-PROPANESULFONIC ACID SODIUM SALT 3-(TRIMETHYLSILYL)-1-PROPANESULFONIC ACID SODIUM SALT 2039-96-5 C6H15NaO3SSi
Ethyl 4-[[(methylphenylamino)methylene]amino]benzoate Ethyl 4-[[(methylphenylamino)methylene]amino]benzoate 57834-33-0 C17H18N2O2
Tetrapropylammonium bromide Tetrapropylammonium bromide 1941-30-6 C12H28BrN
2,4-Dimethoxybenzoic acid 2,4-Dimethoxybenzoic acid 91-52-1 C9H10O4
4-Iodobenzoic acid 4-Iodobenzoic acid 619-58-9 C7H5IO2
Bis(trimethylsilyl)acetylene Bis(trimethylsilyl)acetylene 14630-40-1 C8H18Si2
Ammonium 2-hydroxyethanesulphonate Ammonium 2-hydroxyethanesulphonate 57267-78-4 C2H9NO4S
3,4-METHYLENEDIOXYPHENYLBORONIC ACID 3,4-METHYLENEDIOXYPHENYLBORONIC ACID 94839-07-3 C7H7BO4
Trisodium naphthalene-1,3,6-trisulphonate Trisodium naphthalene-1,3,6-trisulphonate 5182-30-9 C10H5Na3O9S3
1,5,7-Triazabicyclo[4.4.0]dec-5-ene 1,5,7-Triazabicyclo[4.4.0]dec-5-ene 5807-14-7 C7H13N3
2,4-Dihydroxyacetophenone 2,4-Dihydroxyacetophenone 89-84-9 C8H8O3
4-Bromo-2-chlorobenzoic acid 4-Bromo-2-chlorobenzoic acid 59748-90-2 C7H4BrClO2
3-Bromo-2-methylbenzoic acid 3-Bromo-2-methylbenzoic acid 76006-33-2 C8H7BrO2
2-Hydroxyphenylboronic acid 2-Hydroxyphenylboronic acid 89466-08-0 C6H7BO3
5-Hydroxyisophthalic acid 5-Hydroxyisophthalic acid 618-83-7 C8H6O5
2-Hydroxyphenylacetic acid 2-Hydroxyphenylacetic acid 614-75-5 C8H8O3
3-BENZOYLPROPIONIC ACID 3-BENZOYLPROPIONIC ACID 2051-95-8 C10H10O3
1,4-dibromonaphthalene 1,4-dibromonaphthalene 83-53-4 C10H6Br2
Methyl cyclopropane carboxylate Methyl cyclopropane carboxylate 2868-37-3 C5H8O2
Bromoacetaldehyde diethyl acetal Bromoacetaldehyde diethyl acetal 2032-35-1 C6H13BrO2
5-METHYLTHIO-1,3,4-THIADIAZOLE-2-THIOL 5-METHYLTHIO-1,3,4-THIADIAZOLE-2-THIOL 6264-40-0 C3H4N2S3
18-Crown-6 18-Crown-6 17455-13-9 C12H24O6
2-Bromo-2',4'-dichloroacetophenone 2-Bromo-2',4'-dichloroacetophenone 2631-72-3 C8H5BrCl2O
2,4-Dichlorophenol 2,4-Dichlorophenol 120-83-2 C6H4Cl2O
1-(4-HYDROXYPHENYL)-2-THIOUREA 1-(4-HYDROXYPHENYL)-2-THIOUREA 1520-27-0 C7H8N2OS
2,4-Dihydroxybenzoic acid 2,4-Dihydroxybenzoic acid 89-86-1 C7H6O4
4-Benzyloxybenzeneboronic acid 4-Benzyloxybenzeneboronic acid 146631-00-7 C13H13BO3
Diethyl oxalacetate sodium salt Diethyl oxalacetate sodium salt 40876-98-0 C8H11NaO5
Hexamethyldisilane Hexamethyldisilane 1450-14-2 C6H18Si2
9-Bromo-1-nonanol 9-Bromo-1-nonanol 55362-80-6 C9H19BrO
Acetyl bromide Acetyl bromide 506-96-7 C2H3BrO
2-Naphthaldehyde 2-Naphthaldehyde 66-99-9 C11H8O
2-AMINOISOPHTHALIC ACID 2-AMINOISOPHTHALIC ACID 39622-79-2 C8H7NO4
3-Chloro-2-nitrobenzoic acid 3-Chloro-2-nitrobenzoic acid 4771-47-5 C7H4ClNO4
3'-Chloroacetophenone 3'-Chloroacetophenone 99-02-5 C8H7ClO
1,2-Bis(diphenylphosphino)ethane nickel(II) chloride 1,2-Bis(diphenylphosphino)ethane nickel(II) chloride 14647-23-5 C26H24Cl2NiP2
3-Chloro-4-methylphenylboronic acid 3-Chloro-4-methylphenylboronic acid 175883-63-3 C7H8BClO2
2-Chloromandelic acid 2-Chloromandelic acid 10421-85-9 C8H7ClO3
1-(2-NITROPHENYL)-2-THIOUREA 1-(2-NITROPHENYL)-2-THIOUREA 51039-84-0 C7H7N3O2S
Tributylchlorosilane Tributylchlorosilane 995-45-9 C12H27ClSi
2-Cyanophenylboronic acid 2-Cyanophenylboronic acid 138642-62-3 C7H6BNO2
2-Hydroxyethyl methacrylate 2-Hydroxyethyl methacrylate 868-77-9 C6H10O3
[2.2]Paracyclophane [2.2]Paracyclophane 1633-22-3 C16H16
2,2-Dimethylsuccinic acid 2,2-Dimethylsuccinic acid 597-43-3 C6H10O4
5-Acetyl-2-thiopheneboronic acid 5-Acetyl-2-thiopheneboronic acid 206551-43-1 C6H7BO3S
Bathophenanthroline Bathophenanthroline 1662-01-7 C24H16N2
4-(4-Methoxyphenyl)butyric acid 4-(4-Methoxyphenyl)butyric acid 4521-28-2 C11H14O3
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