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
tert-Butyl N-hydroxycarbamate tert-Butyl N-hydroxycarbamate 36016-38-3 C5H11NO3
4-Butylphenylboronic acid 4-Butylphenylboronic acid 145240-28-4 C10H15BO2
Trichloroethanol Trichloroethanol 115-20-8 C2H3Cl3O
Chloroacetaldehyde diethyl acetal Chloroacetaldehyde diethyl acetal 621-62-5 C6H13ClO2
2-(CHLOROMETHYL)-1,3-BENZOXAZOLE 2-(CHLOROMETHYL)-1,3-BENZOXAZOLE 41014-43-1 C8H6ClNO
3-Cyclopentene-1-carboxylic acid 3-Cyclopentene-1-carboxylic acid 7686-77-3 C6H8O2
3-(BROMOMETHYL)BENZALDEHYDE 3-(BROMOMETHYL)BENZALDEHYDE 82072-23-9 C8H7BrO
4-METHYLBENZYL MERCAPTAN 4-METHYLBENZYL MERCAPTAN 4498-99-1 C8H10S
Dimethyl isophthalate Dimethyl isophthalate 1459-93-4 C10H10O4
2-Chlorophenylboronic acid 2-Chlorophenylboronic acid 3900-89-8 C6H6BClO2
Trifluoromethanesulfonic acid Trifluoromethanesulfonic acid 1493-13-6 CHF3O3S
Cyclobutanone Cyclobutanone 1191-95-3 C4H6O
(BROMOMETHYL)TRIMETHYLSILANE (BROMOMETHYL)TRIMETHYLSILANE 18243-41-9 C4H11BrSi
3'-Chloropropiophenone 3'-Chloropropiophenone 34841-35-5 C9H9ClO
Benzyltributylammonium chloride Benzyltributylammonium chloride 23616-79-7 C19H34ClN
3-Chlorobenzoyl chloride 3-Chlorobenzoyl chloride 618-46-2 C7H4Cl2O
3-(Decyldimethylazaniumyl)propane-1-sulfonate 3-(Decyldimethylazaniumyl)propane-1-sulfonate 15163-36-7 C15H33NO3S
Fluoromethyl phenyl sulfone Fluoromethyl phenyl sulfone 20808-12-2 C7H7FO2S
Ethyl bromoacetate Ethyl bromoacetate 105-36-2 C4H7BrO2
2-Ethoxyethanol 2-Ethoxyethanol 110-80-5 C4H10O2
Chloromethyltrimethylsilane Chloromethyltrimethylsilane 2344-80-1 C4H11ClSi
3-Amino-2-methylbenzoic acid 3-Amino-2-methylbenzoic acid 52130-17-3 C8H9NO2
2-Methylthiophenylboronic acid 2-Methylthiophenylboronic acid 168618-42-6 C7H9BO2S
Di-tert-Butyl azodicarboxylate Di-tert-Butyl azodicarboxylate 870-50-8 C10H18N2O4
2,5-Dichlorobenzoic acid 2,5-Dichlorobenzoic acid 50-79-3 C7H4Cl2O2
2-(4-Bromophenyl)-2-methylpropanenitrile 2-(4-Bromophenyl)-2-methylpropanenitrile 101184-73-0 C10H10BrN
4''-CHLORO-2''-FLUOROACETOPHENONE 4''-CHLORO-2''-FLUOROACETOPHENONE 175711-83-8 C8H6ClFO
2-Hydroxy-1-naphthaldehyde 2-Hydroxy-1-naphthaldehyde 708-06-5 C11H8O2
6-Methoxy-2-naphthaldehyde 6-Methoxy-2-naphthaldehyde 3453-33-6 C12H10O2
1,4-Cyclohexanedione 1,4-Cyclohexanedione 637-88-7 C6H8O2
N-Chlorosuccinimide N-Chlorosuccinimide 128-09-6 C4H4ClNO2
4-Bromo-3-methoxybenzonitrile 4-Bromo-3-methoxybenzonitrile 120315-65-3 C8H6BrNO
2-Thiopheneacetic acid 2-Thiopheneacetic acid 1918-77-0 C6H6O2S
Bromoacetaldehyde dimethyl acetal Bromoacetaldehyde dimethyl acetal 7252-83-7 C4H9BrO2
2-Carboxybenzaldehyde 2-Carboxybenzaldehyde 119-67-5 C8H6O3
2,5-Dihydroxybenzaldehyde 2,5-Dihydroxybenzaldehyde 1194-98-5 C7H6O3
Tyramine Tyramine 51-67-2 C8H11NO
Phenyltrimethoxysilane Phenyltrimethoxysilane 2996-92-1 C9H14O3Si
Piperonylic acid Piperonylic acid 94-53-1 C8H6O4
Tetrafluoro-1-propanol Tetrafluoro-1-propanol 76-37-9 C3H4F4O
Isobutyl chloroformate Isobutyl chloroformate 543-27-1 C5H9ClO2
Methyl bromoacetate Methyl bromoacetate 96-32-2 C3H5BrO2
Dibenzoylmethane Dibenzoylmethane 120-46-7 C15H12O2
3-Bromopropionic acid 3-Bromopropionic acid 590-92-1 C3H5BrO2
2,3-Dimethylmaleic anhydride 2,3-Dimethylmaleic anhydride 766-39-2 C6H6O3
Homovanillic acid Homovanillic acid 306-08-1 C9H10O4
4'-Hydroxyacetophenone 4'-Hydroxyacetophenone 99-93-4 C8H8O2
3-Chlorobenzoic acid 3-Chlorobenzoic acid 535-80-8 C7H5ClO2
Triisopropylsilane Triisopropylsilane 6485-79-6 C9H22Si
Ethyl isocyanoacetate Ethyl isocyanoacetate 2999-46-4 C5H7NO2
2-Nitro-4-trifluoromethylbenzoic acid 2-Nitro-4-trifluoromethylbenzoic acid 320-94-5 C8H4F3NO4
Methyl methoxyacetate Methyl methoxyacetate 6290-49-9 C4H8O3
Pyridine-4-boronic acid Pyridine-4-boronic acid 1692-15-5 C5H6BNO2
Malic acid Malic acid 6915-15-7 C4H6O5
2,3-Dimethoxybenzoic acid 2,3-Dimethoxybenzoic acid 1521-38-6 C9H10O4
PYRAZINE-2-CARBOXAMIDINE HYDROCHLORIDE PYRAZINE-2-CARBOXAMIDINE HYDROCHLORIDE 138588-41-7 C5H7ClN4
3,4-Dihydroxyphenylethanol 3,4-Dihydroxyphenylethanol 10597-60-1 C8H10O3
Diethyl fluoromalonate Diethyl fluoromalonate 685-88-1 C7H11FO4
2-Chlorobenzonitrile 2-Chlorobenzonitrile 873-32-5 C7H4ClN
4-Bromoveratrole 4-Bromoveratrole 2859-78-1 C8H9BrO2
3-Bromo-4-methylbenzoic acid 3-Bromo-4-methylbenzoic acid 7697-26-9 C8H7BrO2
4-DIBENZOTHIOPHENEBORONIC ACID 4-DIBENZOTHIOPHENEBORONIC ACID 108847-20-7 C12H9BO2S
5-(4-METHYLPHENYL)-1,3,4-OXADIAZOLE-2-THIOL 5-(4-METHYLPHENYL)-1,3,4-OXADIAZOLE-2-THIOL 3004-42-0 C8H6N2OS
Methyl dimethoxyacetate Methyl dimethoxyacetate 89-91-8 C5H10O4
Guanidine hydrochloride Guanidine hydrochloride 50-01-1 CH5N3.ClH
3-Formylphenylboronic acid 3-Formylphenylboronic acid 87199-16-4 C7H7BO3
Carbon tetrafluoride Carbon tetrafluoride 75-73-0 CF4
Methyl 4-(bromomethyl)benzoate Methyl 4-(bromomethyl)benzoate 2417-72-3 C9H9BrO2
4-(N,N-Diphenylamino)benzaldehyde 4-(N,N-Diphenylamino)benzaldehyde 4181-05-9 C19H15NO
1-(2-FLUOROPHENYL)-2-THIOUREA 1-(2-FLUOROPHENYL)-2-THIOUREA 656-32-6 C7H7FN2S
2'-Chloroacetophenone 2'-Chloroacetophenone 2142-68-9 C8H7ClO
(TRIETHYLSILYL)ACETYLENE (TRIETHYLSILYL)ACETYLENE 1777-03-3 C8H16Si
2-Fluoro-3-pyridylboronic acid 2-Fluoro-3-pyridylboronic acid 174669-73-9 C5H5BFNO2
trans-1,4-Diaminocyclohexane trans-1,4-Diaminocyclohexane 2615-25-0 C6H14N2
3-BROMOPHENETHYL ALCOHOL 3-BROMOPHENETHYL ALCOHOL 28229-69-8 C8H9BrO
2-Indanone 2-Indanone 615-13-4 C9H8O
Dimethyl fumarate Dimethyl fumarate 624-49-7 C6H8O4
Phloroglucinol dihydrate Phloroglucinol dihydrate 6099-90-7 C6H10O5
3,5-Dimethoxyphenylboronic acid 3,5-Dimethoxyphenylboronic acid 192182-54-0 C8H11BO4
4-Hydroxy-3-methoxybenzylamine hydrochloride 4-Hydroxy-3-methoxybenzylamine hydrochloride 7149-10-2 C8H12ClNO2
o-Phthalaldehyde o-Phthalaldehyde 643-79-8 C8H6O2
1,5-Pentanediol 1,5-Pentanediol 111-29-5 C5H12O2
4-(Chloromethyl)tolunitrile 4-(Chloromethyl)tolunitrile 874-86-2 C8H6ClN
2-BIPHENYLBORONIC ACID 2-BIPHENYLBORONIC ACID 4688-76-0 C12H11BO2
5-Bromovaleric acid 5-Bromovaleric acid 2067-33-6 C5H9BrO2
1-PHENYL-2-THIOUREA 1-PHENYL-2-THIOUREA 103-85-5 C7H8N2S
2,5-Dimethylphenylacetonitrile 2,5-Dimethylphenylacetonitrile 16213-85-7 C10H11N
N-[(Trimethylsilyl)methyl]benzylamine N-[(Trimethylsilyl)methyl]benzylamine 53215-95-5 C11H19NSi
p-Anisic acid p-Anisic acid 100-09-4 C8H8O3
2-Bromoanisole 2-Bromoanisole 578-57-4 C7H7BrO
1,8-Octanediol 1,8-Octanediol 629-41-4 C8H18O2
2,3-Dichlorophenylboronic acid 2,3-Dichlorophenylboronic acid 151169-74-3 C6H5BCl2O2
Potassium trimethylsilanolate Potassium trimethylsilanolate 10519-96-7 C3H9KOSi
BIS(CHLOROMETHYL)DIMETHYLSILANE BIS(CHLOROMETHYL)DIMETHYLSILANE 2917-46-6 C4H10Cl2Si
Triclosan Triclosan 3380-34-5 C12H7Cl3O2
2-Bromobenzaldehyde 2-Bromobenzaldehyde 6630-33-7 C7H5BrO
1,1-Cyclohexanediacetic acid 1,1-Cyclohexanediacetic acid 4355-11-7 C10H16O4
Diiodomethane Diiodomethane 75-11-6 CH2I2
3-bromo-5-methylaniline 3-bromo-5-methylaniline 74586-53-1 C7H8BrN
Cyclopropanesulfonyl chloride Cyclopropanesulfonyl chloride 139631-62-2 C3H5ClO2S
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