一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

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.

Click on the specific product, view the latest prices of the products, information, serving information
Structure Chemical Name CAS MF
4-(2-Thienyl)thiazole-5-boronic acid pinacol ester 4-(2-Thienyl)thiazole-5-boronic acid pinacol ester 2223033-34-7 C13H16BNO2S2
4-(3,4-Difluorophenyl)thiazole-5-boronic acid pinacol ester 4-(3,4-Difluorophenyl)thiazole-5-boronic acid pinacol ester 2223042-09-7 C15H16BF2NO2S
4-(3-Fluorophenyl)thiophene-2-boronic acid pinacol ester 4-(3-Fluorophenyl)thiophene-2-boronic acid pinacol ester 1402174-28-0 C16H18BFO2S
4-(3-Thienyl)furan-2-boronic acid pinacol ester 4-(3-Thienyl)furan-2-boronic acid pinacol ester 2223011-21-8 C14H17BO3S
4-(4-Fluorophenyl)thiophene-2-boronic acid pinacol ester 4-(4-Fluorophenyl)thiophene-2-boronic acid pinacol ester 1402174-26-8 C16H18BFO2S
4-(Cyclohexyl)thiazole-5-boronic acid pinacol ester 4-(Cyclohexyl)thiazole-5-boronic acid pinacol ester 2223050-88-0 C15H24BNO2S
4-(Cyclopropyl)thiophene-2-boronic acid pinacol ester 4-(Cyclopropyl)thiophene-2-boronic acid pinacol ester 2223041-50-5 C13H19BO2S
4-(iso-Propoxy-d7)-bromobenzene 4-(iso-Propoxy-d7)-bromobenzene 1185311-58-3 C9H11BrO
4-(iso-Propyl)-2-(iso-propoxy)thiazole-5-boronic acid pinacol ester 4-(iso-Propyl)-2-(iso-propoxy)thiazole-5-boronic acid pinacol ester 2223044-24-2 C15H26BNO3S
4-(N-Boc-Piperidin-4-yl)-3-methylphenylboronic acid pinacol ester 4-(N-Boc-Piperidin-4-yl)-3-methylphenylboronic acid pinacol ester 2223046-81-7 C23H36BNO4
4-(N-Boc-Pyrrolidin-3-yl)phenylboronic acid pinacol ester 4-(N-Boc-Pyrrolidin-3-yl)phenylboronic acid pinacol ester 1802370-70-2 C21H32BNO4
4-(n-Propyl)-2-(iso-propyl)thiazole-5-boronic acid pinacol ester 4-(n-Propyl)-2-(iso-propyl)thiazole-5-boronic acid pinacol ester 2223033-97-2 C15H26BNO2S
4-(Thiazol-5-yl)-2-fluorophenylboronic acid pinacol ester 4-(Thiazol-5-yl)-2-fluorophenylboronic acid pinacol ester 2223043-18-1 C15H17BFNO2S
4,4,5,5-tetramethyl-2-(thiophen-2-yl-5-d)-1,3,2-dioxaborolane 4,4,5,5-tetramethyl-2-(thiophen-2-yl-5-d)-1,3,2-dioxaborolane 2241877-24-5 C10H15BO2S
4-Amino-3-(methoxy-d3)-bromobenzene 4-Amino-3-(methoxy-d3)-bromobenzene 1185310-06-8 C7H5BrD3NO
4-Chloro-5-methoxy-2-methylphenylboronic acid pinacol ester 4-Chloro-5-methoxy-2-methylphenylboronic acid pinacol ester 2223033-54-1 C14H20BClO3
4-Ethyl-2-(iso-propyl)thiazole-5-boronic acid pinacol ester 4-Ethyl-2-(iso-propyl)thiazole-5-boronic acid pinacol ester 2223011-65-0 C14H24BNO2S
4-Fluoro-2-(methyl-d3)-bromobenzene 4-Fluoro-2-(methyl-d3)-bromobenzene 1185310-21-7 C7H6BrF
P-TOLUIDINE-D3 (METHYL-D3) P-TOLUIDINE-D3 (METHYL-D3) 23346-25-0 C7H6D3N
2-(1-PIPERIDINYL)PHENYLBORONIC ACID 2-(1-PIPERIDINYL)PHENYLBORONIC ACID 1050505-85-5 C11H16BNO2
1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-6-yl-6-boronic acid, 95% 1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-6-yl-6-boronic acid, 95% 2096337-20-9 C12H15BN2O3
2,4,6,8-tetraethyl-2,4,6,8-tetramethylcyclotetrasiloxane 2,4,6,8-tetraethyl-2,4,6,8-tetramethylcyclotetrasiloxane 7623-01-0 C12H32O4Si4
methyl 4-bromobenzoate-2,3,5,6-d4 methyl 4-bromobenzoate-2,3,5,6-d4 1643577-32-5 C8H3BrD4O2
2-fluoro-6-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2-fluoro-6-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine 2223043-31-8 C12H17BFNO3
1-Propanaminium, N,N-dimethyl-N-propyl-, bromide (1:1) 1-Propanaminium, N,N-dimethyl-N-propyl-, bromide (1:1) 52509-52-1 C8H20BrN
IN-QCC64 (5B intermediate) IN-QCC64 (5B intermediate) 117428-95-2 C12H13ClO3
N,N,N-trimethylcyclohexanaminium hydroxide N,N,N-trimethylcyclohexanaminium hydroxide 19895-48-8 C9H21NO
(3-fluorophenyl)boronic acid-D4 (3-fluorophenyl)boronic acid-D4 2241870-71-1 C6H6BFO2
2-(3-(Bicyclo[1.1.1]pentan-1-yl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(3-(Bicyclo[1.1.1]pentan-1-yl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2710295-62-6 C17H23BO2
(4-FLUOROPHENYL)DIPHENYLSULFONIUM TRIFLATE (4-FLUOROPHENYL)DIPHENYLSULFONIUM TRIFLATE 154093-57-9 C19H14F4O3S2
4-Methyl-2-(n-propyl)thiazole-5-boronic acid pinacol ester 4-Methyl-2-(n-propyl)thiazole-5-boronic acid pinacol ester 2223048-16-4 C13H22BNO2S
4-Methyl-5-trifluoromethyl-2-cyclopropylphenylboronic acid pinacol ester 4-Methyl-5-trifluoromethyl-2-cyclopropylphenylboronic acid pinacol ester 2223051-12-3 C17H22BF3O2
5-(2-Furyl)furan-2-boronic acid pinacol ester 5-(2-Furyl)furan-2-boronic acid pinacol ester 1620697-27-9 C14H17BO4
5-(2-Methylimidazol-1-yl)furan-2-boronic acid pinacol ester 5-(2-Methylimidazol-1-yl)furan-2-boronic acid pinacol ester 2223042-27-9 C14H19BN2O3
5-(3-Furyl)furan-2-boronic acid pinacol ester 5-(3-Furyl)furan-2-boronic acid pinacol ester 2223042-37-1 C14H17BO4
5-(3-Methoxyphenyl)furan-2-boronic acid pinacol ester 5-(3-Methoxyphenyl)furan-2-boronic acid pinacol ester 2223033-04-1 C17H21BO4
5-(4-Methoxyphenyl)thiazole-4-boronic acid pinacol ester 5-(4-Methoxyphenyl)thiazole-4-boronic acid pinacol ester 2223039-25-4 C16H20BNO3S
5-(Cyclohexyl)thiazole-4-boronic acid pinacol ester 5-(Cyclohexyl)thiazole-4-boronic acid pinacol ester 2223042-04-2 C15H24BNO2S
5-(Diethylamino)furan-2-boronic acid pinacol ester 5-(Diethylamino)furan-2-boronic acid pinacol ester 2223049-95-2 C14H24BNO3
5-(Dimethylamino)furan-2-boronic acid pinacol ester 5-(Dimethylamino)furan-2-boronic acid pinacol ester 2223033-29-0 C12H20BNO3
5-(iso-Propyl)-2-methoxythiazole-4-boronic acid pinacol ester 5-(iso-Propyl)-2-methoxythiazole-4-boronic acid pinacol ester 2223036-39-1 C13H22BNO3S
5-(Pyrrolidino)thiophene-2-boronic acid pinacol ester 5-(Pyrrolidino)thiophene-2-boronic acid pinacol ester 2223049-91-8 C14H22BNO2S
5-Ethyl-2-(cyclopropyl)thiazole-4-boronic acid pinacol ester 5-Ethyl-2-(cyclopropyl)thiazole-4-boronic acid pinacol ester 2223011-53-6 C14H22BNO2S
5-Fluoro-2-(1H-pyrrol-1-yl)pyridine-4-boronic acid pinacol ester 5-Fluoro-2-(1H-pyrrol-1-yl)pyridine-4-boronic acid pinacol ester 2223033-66-5 C15H18BFN2O2
5-Methyl-2-(cyclopropyl)thiazole-4-boronic acid pinacol ester 5-Methyl-2-(cyclopropyl)thiazole-4-boronic acid pinacol ester 2223033-43-8 C13H20BNO2S
5-Methyl-2-(iso-propoxy)thiazole-4-boronic acid pinacol ester 5-Methyl-2-(iso-propoxy)thiazole-4-boronic acid pinacol ester 2223043-48-7 C13H22BNO3S
ETHYL 5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)FURAN-3-CARBOXYLATE ETHYL 5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)FURAN-3-CARBOXYLATE 1025719-08-7 C13H19BO5
Methyl 5-methyl-4-furancarboxylate-2-boronic acid pinacol ester Methyl 5-methyl-4-furancarboxylate-2-boronic acid pinacol ester 1025719-05-4 C13H19BO5
N-(3-Cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetamide N-(3-Cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetamide 2223043-92-1 C17H24BNO3
N-(ethyl-d5)-N-(methyl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-amine N-(ethyl-d5)-N-(methyl-d3)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-amine 2241876-38-8 C12H13BD8N2O2S
N,N-bis(ethyl-d5)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-amine N,N-bis(ethyl-d5)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-amine 2241876-39-9 C13H23BN2O2S
tert-butyl 2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)furan-2-yl)morpholine-4-carboxylate tert-butyl 2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)furan-2-yl)morpholine-4-carboxylate 2223009-14-9 C19H30BNO6
tert-butyl 3-(6-(tert-butyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidine-1-carboxylate tert-butyl 3-(6-(tert-butyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperidine-1-carboxylate 2222995-90-4 C25H41BN2O4
tert-butyl 4-(4-amino-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine-1-carboxylate tert-butyl 4-(4-amino-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperidine-1-carboxylate 2223039-52-7 C22H35BN2O4
2-PHENYL-D5-ETHYLAMINE 2-PHENYL-D5-ETHYLAMINE 912627-99-7 C8H11N
(4-Methyl-2-morpholino-d11)-thiazole-5-boronic acid pinacol ester (4-Methyl-2-morpholino-d11)-thiazole-5-boronic acid pinacol ester 2223031-44-3 C14H23BN2O3S
[2,4-Di(iso-propyl)-d14]-thiazole-5-boronic acid pinacol ester [2,4-Di(iso-propyl)-d14]-thiazole-5-boronic acid pinacol ester 2223029-77-2 C15H26BNO2S
[2-Dimethylamino-4-(n-propyl)-d13]-thiazole-5-boronic acid pinacol ester [2-Dimethylamino-4-(n-propyl)-d13]-thiazole-5-boronic acid pinacol ester 2223053-17-4 C14H25BN2O2S
[2-Methyl-5-(iso-propyl)-d10]-thiophene-3-boronic acid pinacol ester [2-Methyl-5-(iso-propyl)-d10]-thiophene-3-boronic acid pinacol ester 2223054-54-2 C14H23BO2S
[4-(n-Propyl)thiazole-d8]-5-boronic acid pinacol ester [4-(n-Propyl)thiazole-d8]-5-boronic acid pinacol ester 2223049-21-4 C12H20BNO2S
[4-Ethyl-2-(n-propyl)-d12]-thiazole-5-boronic acid pinacol ester [4-Ethyl-2-(n-propyl)-d12]-thiazole-5-boronic acid pinacol ester 2223031-36-3 C14H24BNO2S
1-Chloro-4-(ethyl-d5)-phthalazine 1-Chloro-4-(ethyl-d5)-phthalazine 1185306-76-6 C10H9ClN2
2-(Cyano-13C,15N)thiophene-D3 2-(Cyano-13C,15N)thiophene-D3 1227959-27-4 C5D3NS
2-Amino-5-(ethyl-d5)-thiazole 2-Amino-5-(ethyl-d5)-thiazole 1185307-12-3 C5H3D5N2S
2-Bromo-4-(1-hydroxy-1-methylethyl)thiophene-d8 2-Bromo-4-(1-hydroxy-1-methylethyl)thiophene-d8 1643576-32-2 C7H9BrOS
2-Bromo-5-(iso-propyl-d7)-furan 2-Bromo-5-(iso-propyl-d7)-furan 1185320-15-3 C7H2BrD7O
2-Bromothiophene-d3 2-Bromothiophene-d3 1643538-28-6 C4H3BrS
2-Chloro-4-(iso-butyl-d9)-1,3,5-triazine 2-Chloro-4-(iso-butyl-d9)-1,3,5-triazine 1643576-91-3 C7H10ClN3
3-Bromo-(2-methyl-5-morpholino-d11)-thiophene 3-Bromo-(2-methyl-5-morpholino-d11)-thiophene 1643563-19-2 C9H12BrNOS
3-Bromo-1-(n-propyl)pyrrole-d10 3-Bromo-1-(n-propyl)pyrrole-d10 1643579-62-7 C7H10BrN
3-Bromo-2,5-(dimethyl-d6)-furan 3-Bromo-2,5-(dimethyl-d6)-furan 1643562-60-0 C6H7BrO
3-Bromo-5-(iso-propyl)thiophene-d9 3-Bromo-5-(iso-propyl)thiophene-d9 1643564-82-2 C7H9BrS
3-Bromo-5-(pyrrolidino)thiophene-d10 3-Bromo-5-(pyrrolidino)thiophene-d10 1643543-36-5 C8H10BrNS
3-Chloro-4-(ethyl-d5)-1,2,5-thiadiazole 3-Chloro-4-(ethyl-d5)-1,2,5-thiadiazole 1185313-61-4 C4H5ClN2S
4,5-Dibromo-2-(iso-propoxy-d7)-thiazole 4,5-Dibromo-2-(iso-propoxy-d7)-thiazole 1643564-03-7 C6H7Br2NOS
4,6-Dichloro-2-(methoxy-d3)-triazine 4,6-Dichloro-2-(methoxy-d3)-triazine 1185309-39-0 C4H3Cl2N3O
4-Amino-(2-methyl-5-ethyl-d8)-thiazole 4-Amino-(2-methyl-5-ethyl-d8)-thiazole 1643563-29-4 C6H10N2S
4-Bromo-(2-dimethylamino-5-methyl-d9)-thiazole 4-Bromo-(2-dimethylamino-5-methyl-d9)-thiazole 1643563-26-1 C6H9BrN2S
4-Bromo-[2-dimethylamino-5-(iso-propyl)-d13]-thiazole 4-Bromo-[2-dimethylamino-5-(iso-propyl)-d13]-thiazole 1643538-68-4 C8H13BrN2S
4-Bromo-1-(sec-butyl-d9)-1,2,3-triazole 4-Bromo-1-(sec-butyl-d9)-1,2,3-triazole 1643562-77-9 C6HBrD9N3
4-Bromo-2-(n-propoxy)thiazole-d8 4-Bromo-2-(n-propoxy)thiazole-d8 1643537-48-7 C6BrD8NOS
5-Brom-[4-(iso-propyl)-2-morpholino-d15]-thiazole 5-Brom-[4-(iso-propyl)-2-morpholino-d15]-thiazole 1643576-26-4 C10H15BrN2OS
5-Bromo-(4-methyl-2-pyrrolidino-d11)-thiazole 5-Bromo-(4-methyl-2-pyrrolidino-d11)-thiazole 1643579-83-2 C8H11BrN2S
5-Bromo-[2,4-di(n-propyl)-d14]-thiazole 5-Bromo-[2,4-di(n-propyl)-d14]-thiazole 1643563-51-2 C9H14BrNS
5-Bromo-[4-(n-propyl)-2-diethylamino-d17)-thiazole 5-Bromo-[4-(n-propyl)-2-diethylamino-d17)-thiazole 1643542-52-2 C10H17BrN2S
5-Bromo-[4-methyl-2-(n-propyl)-d10]-thiazole 5-Bromo-[4-methyl-2-(n-propyl)-d10]-thiazole 1643563-42-1 C7H10BrNS
5-Bromo-2-(iso-propyl-d7)-thiazole 5-Bromo-2-(iso-propyl-d7)-thiazole 1185311-53-8 C6HBrD7NS
5-Bromo-4-(n-propyl)thiazole-d8 5-Bromo-4-(n-propyl)thiazole-d8 1643564-63-9 C6H8BrNS
5-Bromo-4-methylthiazole-d4 5-Bromo-4-methylthiazole-d4 1643537-45-4 C4H4BrNS
6-Bromo-2-(methoxy-d3)-benzothiazole 6-Bromo-2-(methoxy-d3)-benzothiazole 1185315-38-1 C8H6BrNOS
2-Methoxy-4-(4-methylpiperazin-1-yl)phenylboronic acid 2-Methoxy-4-(4-methylpiperazin-1-yl)phenylboronic acid 2225170-62-5 C12H19BN2O3
4-METHOXYBROMOBENZENE-D7 4-METHOXYBROMOBENZENE-D7 653588-30-8 C7H7BrO
(Z)-7-dodecenyl acetate (Z)-7-dodecenyl acetate 14959-86-5 C14H26O2
Malonic dihydrazide Malonic dihydrazide 3815-86-9 C3H8N4O2
2-PIPERIZINYLPYRIDINE-4-BORONIC ACID, PINACOL ESTER 2-PIPERIZINYLPYRIDINE-4-BORONIC ACID, PINACOL ESTER 871125-87-0 C16H25BN2O2
Decyltrimethylammonium bromide Decyltrimethylammonium bromide 2082-84-0 C13H30BrN
TRIMETHYLTIN HYDROXIDE TRIMETHYLTIN HYDROXIDE 56-24-6 C3H10OSn
BENZYL-D7 BROMIDE BENZYL-D7 BROMIDE 35656-93-0 C7BrD7
N-[1-(2,3-DIOLEYLOXY)PROPYL]-N,N,N-TRIMETHYLAMMONIUM CHLORIDE N-[1-(2,3-DIOLEYLOXY)PROPYL]-N,N,N-TRIMETHYLAMMONIUM CHLORIDE 132172-61-3 C42H80ClNO4
2-Hydroxy-4-methylthiobutanamide 2-Hydroxy-4-methylthiobutanamide 49540-21-8 C5H11NO2S
HomePage | Member Companies | Advertising | Contact us | Previous WebSite | MSDS | CAS Index | CAS DataBase
Copyright © 2016 ChemicalBook All rights reserved.
勃利县| 宁阳县| 财经| 老河口市| 上蔡县| 姚安县| 北京市| 莱西市| 宁乡县| 怀远县| 赤水市| 玉环县| 汉沽区| 鲁甸县| 乳山市| 准格尔旗| 泽普县| 保靖县| 普陀区| 九龙城区| 平乐县| 阜南县| 贵州省| 朝阳县| 金堂县| 都兰县| 稷山县| 新余市| 比如县| 新巴尔虎左旗| 辰溪县| 治多县| 涿鹿县| 永新县| 永新县| 寿光市| 泗水县| 鄂州市| 焦作市| 电白县| 英山县|