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
Dibutyl squarate Dibutyl squarate 2892-62-8 C12H18O4
2,3-DICHLOROBENZYL ALCOHOL 2,3-DICHLOROBENZYL ALCOHOL 38594-42-2 C7H6Cl2O
Methylene-bis(4-cyclohexylisocyanate) Methylene-bis(4-cyclohexylisocyanate) 5124-30-1 C15H22N2O2
N,N'-DIALLYLTHIOUREA N,N'-DIALLYLTHIOUREA 6601-20-3 C7H12N2S
DIMETHYL 2,6-NAPHTHALENEDICARBOXYLATE DIMETHYL 2,6-NAPHTHALENEDICARBOXYLATE 840-65-3 C14H12O4
Potassium 3-(phenylsulfonyl)benzenesulfonate Potassium 3-(phenylsulfonyl)benzenesulfonate 63316-43-8 C12H11KO5S2
Ammonium thioglycolate Ammonium thioglycolate 5421-46-5 C2H7NO2S
2,6-Dimethoxynaphthalene 2,6-Dimethoxynaphthalene 5486-55-5 C12H12O2
4-N-BUTYLBENZALDEHYDE 4-N-BUTYLBENZALDEHYDE 1200-14-2 C11H14O
METHACRYLOXYMETHYLTRIMETHYLSILANE METHACRYLOXYMETHYLTRIMETHYLSILANE 18269-97-1 C8H16O2Si
4-Butoxyphenol 4-Butoxyphenol 122-94-1 C10H14O2
2-METHYL-1-NITRONAPHTHALENE 2-METHYL-1-NITRONAPHTHALENE 881-03-8 C11H9NO2
1-BUTYLPYRIDINIUM HEXAFLUOROPHOSPHATE 1-BUTYLPYRIDINIUM HEXAFLUOROPHOSPHATE 186088-50-6 C9H14F6NP
(4-METHYL-PIPERAZIN-1-YL)-ACETIC ACID (4-METHYL-PIPERAZIN-1-YL)-ACETIC ACID 54699-92-2 C7H14N2O2
ANTHRAQUINONE-2,6-DISULFONIC ACID DISODIUM SALT ANTHRAQUINONE-2,6-DISULFONIC ACID DISODIUM SALT 853-68-9 C14H9NaO8S2
4-Methylbenzylsulfonyl chloride 4-Methylbenzylsulfonyl chloride 51419-59-1 C8H9ClO2S
1,4-EPOXY-1,4-DIHYDRONAPHTHALENE 1,4-EPOXY-1,4-DIHYDRONAPHTHALENE 573-57-9 C10H8O
5-Carboxythiophene-2-boronic acid 5-Carboxythiophene-2-boronic acid 465515-31-5 C5H5BO4S
Calix[4]arene Calix[4]arene 74568-07-3 C28H24O4
4-Methyl-3-thiopheneboronic acid 4-Methyl-3-thiopheneboronic acid 177735-11-4 C5H7BO2S
MONO-6-O-(P-TOLUENESULFONYL)-ALPHA-CYCLODEXTRIN MONO-6-O-(P-TOLUENESULFONYL)-ALPHA-CYCLODEXTRIN 32860-56-3 C43H66O32S
β-Glycerophosphate disodium salt pentahydrate β-Glycerophosphate disodium salt pentahydrate 13408-09-8 C3H12NaO7P
4-Methyltriphenylamine 4-Methyltriphenylamine 4316-53-4 C19H17N
ISOCYANIC ACID ISOCYANIC ACID 75-13-8 CHNO
N-Benzyl-N-propylamine N-Benzyl-N-propylamine 2032-33-9 C10H15N
2-BROMOBENZALDEHYDE DIETHYL ACETAL 2-BROMOBENZALDEHYDE DIETHYL ACETAL 35822-58-3 C11H15BrO2
Methacrylatoethyl trimethyl ammonium chloride Methacrylatoethyl trimethyl ammonium chloride 5039-78-1 C9H18ClNO2
LUTETIUM(III) TRIFLUOROMETHANESULFONATE LUTETIUM(III) TRIFLUOROMETHANESULFONATE 126857-69-0 C3F9LuO9S3
2-METHYLBENZYL MERCAPTAN 2-METHYLBENZYL MERCAPTAN 7341-24-4 C8H10S
Cupferron Cupferron 135-20-6 C6H9N3O2
TETRAETHYLAMMONIUM FLUORIDE TETRAHYDROFLUORIDE TETRAETHYLAMMONIUM FLUORIDE TETRAHYDROFLUORIDE 145826-81-9 C8H24F5N
Methyl 2,5-dibromobenzoate Methyl 2,5-dibromobenzoate 57381-43-8 C8H6Br2O2
3-CYANOPROPYLTRIMETHOXYSILANE 3-CYANOPROPYLTRIMETHOXYSILANE 55453-24-2 C7H15NO3Si
2-NITROPHENYL PHENYL SULFIDE 2-NITROPHENYL PHENYL SULFIDE 4171-83-9 C12H9NO2S
1-(2-Chloroethyl)azepane hydrochloride 1-(2-Chloroethyl)azepane hydrochloride 26487-67-2 C8H17Cl2N
2-Dimethylamino-1,3-dioxolane 2-Dimethylamino-1,3-dioxolane 19449-26-4 C5H11NO2
4'-Phenoxyacetophenone 4'-Phenoxyacetophenone 5031-78-7 C14H12O2
4-PYRIDINEETHANETHIOL HYDROCHLORIDE 4-PYRIDINEETHANETHIOL HYDROCHLORIDE 6298-11-9 C7H10ClNS
3,5-Dinitrobenzonitrile 3,5-Dinitrobenzonitrile 4110-35-4 C7H3N3O4
1-(4-Chlorophenyl)ethanol 1-(4-Chlorophenyl)ethanol 3391-10-4 C8H9ClO
Ethyl 7-bromoheptanoate Ethyl 7-bromoheptanoate 29823-18-5 C9H17BrO2
DIETHYL (2R,3R)-(-)-2,3-EPOXYSUCCINATE DIETHYL (2R,3R)-(-)-2,3-EPOXYSUCCINATE 74243-85-9 C8H12O5
N-VINYLPHTHALIMIDE N-VINYLPHTHALIMIDE 3485-84-5 C10H7NO2
N,N'-Bis(salicylidene)-1,3-propanediamine N,N'-Bis(salicylidene)-1,3-propanediamine 120-70-7 C17H18N2O2
(S)-(-)-Trityl glycidyl ether (S)-(-)-Trityl glycidyl ether 129940-50-7 C22H20O2
Dithizone Dithizone 60-10-6 C13H12N4S
CHLOROMETHYL PHENYL SULFIDE CHLOROMETHYL PHENYL SULFIDE 7205-91-6 C7H7ClS
N-HENTRIACONTANE N-HENTRIACONTANE 630-04-6 C31H64
2',4',6'-TRIMETHYLACETOPHENONE 2',4',6'-TRIMETHYLACETOPHENONE 1667-01-2 C11H14O
3,5-Dibromosalicylic acid 3,5-Dibromosalicylic acid 3147-55-5 C7H4Br2O3
4-Methyl-1-pentanol 4-Methyl-1-pentanol 626-89-1 C6H14O
Bis(trimethylsilyl)methane Bis(trimethylsilyl)methane 2117-28-4 C7H20Si2
Ethyl methoxyacetate Ethyl methoxyacetate 3938-96-3 C5H10O3
PIVALAMIDE PIVALAMIDE 754-10-9 C5H11NO
2-Ethylhexyl cyanoacetate 2-Ethylhexyl cyanoacetate 13361-34-7 C11H19NO2
Thiocarbohydrazide Thiocarbohydrazide 2231-57-4 CH6N4S
Allyl chloroacetate Allyl chloroacetate 2916-14-5 C5H7ClO2
3-CHLORO-4-METHOXYBENZALDEHYDE 3-CHLORO-4-METHOXYBENZALDEHYDE 4903-09-7 C8H7ClO2
2-CHLOROPHENETHYLALCOHOL 2-CHLOROPHENETHYLALCOHOL 19819-95-5 C8H9ClO
METHYL VALERATE METHYL VALERATE 624-24-8 C6H12O2
BENZOHYDROXAMIC ACID SODIUM SALT BENZOHYDROXAMIC ACID SODIUM SALT 22513-32-2 C7H6NNaO2
PHENACYLTRIPHENYLPHOSPHONIUM BROMIDE PHENACYLTRIPHENYLPHOSPHONIUM BROMIDE 6048-29-9 C26H22BrOP
1-PHENYL-1-TRIMETHYLSILOXYETHYLENE 1-PHENYL-1-TRIMETHYLSILOXYETHYLENE 13735-81-4 C11H16OSi
1,4,7-TRIMETHYL-1,4,7-TRIAZACYCLONONANE 1,4,7-TRIMETHYL-1,4,7-TRIAZACYCLONONANE 96556-05-7 C9H21N3
4-METHOXYPHENYLMETHYLSULFONE 4-METHOXYPHENYLMETHYLSULFONE 3517-90-6 C8H10O3S
2-(Phenylsulfonyl)aniline 2-(Phenylsulfonyl)aniline 4273-98-7 C12H11NO2S
3-Chlorobenzophenone 3-Chlorobenzophenone 1016-78-0 C13H9ClO
3-MERCAPTO-1-PROPANOL 3-MERCAPTO-1-PROPANOL 19721-22-3 C3H8OS
2-CHLORO-6-NITROPHENOL 2-CHLORO-6-NITROPHENOL 603-86-1 C6H4ClNO3
2,3-DIMETHYL-1,3-BUTADIENE 2,3-DIMETHYL-1,3-BUTADIENE 513-81-5 C6H10
HYDROXYPIVALIC ACID METHYL ESTER HYDROXYPIVALIC ACID METHYL ESTER 14002-80-3 C6H12O3
N-Phenylhydroxylamine N-Phenylhydroxylamine 100-65-2 C6H7NO
2-Chloroethyl vinyl ether 2-Chloroethyl vinyl ether 110-75-8 C4H7ClO
Tribromoacetaldehyde Tribromoacetaldehyde 115-17-3 C2HBr3O
1-Methoxy-2,4-dinitrobenzene 1-Methoxy-2,4-dinitrobenzene 119-27-7 C7H6N2O5
6-Bromopiperonal 6-Bromopiperonal 15930-53-7 C8H5BrO3
(1S,2S)-2-Amino-1-(4-nitrophenyl)propane-1,3-diol (1S,2S)-2-Amino-1-(4-nitrophenyl)propane-1,3-diol 2964-48-9 C9H12N2O4
2-Bromo-6-fluoronaphthalene 2-Bromo-6-fluoronaphthalene 324-41-4 C10H6BrF
2-Fluoro-5-bromobenzyl bromide 2-Fluoro-5-bromobenzyl bromide 99725-12-9 C7H5Br2F
4-(Trifluoromethyl)benzamide 4-(Trifluoromethyl)benzamide 1891-90-3 C8H6F3NO
TRIETHYLENETETRAMINE-N,N,N',N'',N''',N'''-HEXAACETIC ACID TRIETHYLENETETRAMINE-N,N,N',N'',N''',N'''-HEXAACETIC ACID 869-52-3 C18H30N4O12
4-BROMO-2-CHLOROBENZENESULFONYL CHLORIDE 4-BROMO-2-CHLOROBENZENESULFONYL CHLORIDE 351003-52-6 C6H3BrCl2O2S
2,4,5-TRIHYDROXYBENZALDEHYDE 2,4,5-TRIHYDROXYBENZALDEHYDE 35094-87-2 C7H6O4
2-Pyrimidinecarboximidamide (9CI) 2-Pyrimidinecarboximidamide (9CI) 45695-56-5 C5H6N4
Methyl 5-methylsalicylate Methyl 5-methylsalicylate 22717-57-3 C9H10O3
(3-BROMOPROPYL)TRIPHENYLPHOSPHONIUM BROMIDE (3-BROMOPROPYL)TRIPHENYLPHOSPHONIUM BROMIDE 3607-17-8 C21H21Br2P
TRIS(TRIMETHYLSILYL)PHOSPHITE TRIS(TRIMETHYLSILYL)PHOSPHITE 1795-31-9 C9H27O3PSi3
Chlorohydroquinone Chlorohydroquinone 615-67-8 C6H5ClO2
6-tert-Butyl-m-cresol 6-tert-Butyl-m-cresol 88-60-8 C11H16O
1-CYCLOHEXENYLBORONIC ACID 1-CYCLOHEXENYLBORONIC ACID 89490-05-1 C6H11BO2
trans-4-Phenyl-3-buten-2-one trans-4-Phenyl-3-buten-2-one 1896-62-4 C10H10O
ALLYL METHYL ETHER ALLYL METHYL ETHER 627-40-7 C4H8O
N-Acetoxysuccinimide N-Acetoxysuccinimide 14464-29-0 C6H7NO4
Isopropyl 2-cyanoacetate Isopropyl 2-cyanoacetate 13361-30-3 C6H9NO2
2,4-Dimethyl-3-pentanol 2,4-Dimethyl-3-pentanol 600-36-2 C7H16O
N-METHYLPHENETHYLAMINE N-METHYLPHENETHYLAMINE 589-08-2 C9H13N
1,2-EPOXY-5-CYCLOOCTENE 1,2-EPOXY-5-CYCLOOCTENE 637-90-1 C8H12O
Ethyl trichloroacetate Ethyl trichloroacetate 515-84-4 C4H5Cl3O2
6-Heptynoic acid 6-Heptynoic acid 30964-00-2 C7H10O2
THIOSINAMINE THIOSINAMINE 185147-29-9 C4H8N2S
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