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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
4-Aminophenol-d4 4-Aminophenol-d4 70237-44-4 C6H7NO
2-Fluoroanisole-d3 2-Fluoroanisole-d3 1254047-46-5 C7H7FO
Boronic acid, B-[2-(2-thienyl)phenyl]- Boronic acid, B-[2-(2-thienyl)phenyl]- 634187-11-4 C10H9BO2S
(R)-2-Phenylpyrrolidine (R)-2-Phenylpyrrolidine 56523-47-8 C10H13N
2,6-Di-tert-butyl-4-mercaptophenol 2,6-Di-tert-butyl-4-mercaptophenol 950-59-4 C14H22OS
(dimethyl)[3-thieno[2,3-c][2]benzothiepin-4(9H)-ylidenepropyl]ammonium chloride (dimethyl)[3-thieno[2,3-c][2]benzothiepin-4(9H)-ylidenepropyl]ammonium chloride 1154-12-7 C17H20ClNS2
Quaternary ammonium compounds, C12-18-alkyl(hydroxyethyl)dimethyl, chlorides Quaternary ammonium compounds, C12-18-alkyl(hydroxyethyl)dimethyl, chlorides 85736-63-6
tert-Butyl (Mesitylsulfonyl)oxycarbaMate tert-Butyl (Mesitylsulfonyl)oxycarbaMate 36016-39-4 C14H21NO5S
ethylbis(3-phenylpropyl)ammonium chloride ethylbis(3-phenylpropyl)ammonium chloride 5982-87-6 C20H28ClN
naphthalene-1-diazonium tetrafluoroborate naphthalene-1-diazonium tetrafluoroborate 28912-93-8 C10H7N2.BF4
ethyl 2,2-dichloroacetoacetate ethyl 2,2-dichloroacetoacetate 6134-66-3 C6H8Cl2O3
POTASSIUM BOROTARTRATE POTASSIUM BOROTARTRATE 12001-68-2 C8H4B2O12.2K
Sulfonic acids, petroleum, calcium salts Sulfonic acids, petroleum, calcium salts 61789-86-4
Dibenzofuran-1,2,3,4,6,7,9-d7, 8-bromo- Dibenzofuran-1,2,3,4,6,7,9-d7, 8-bromo- 2230311-61-0 C12H7BrO
pyrrolidine-2-d pyrrolidine-2-d 2456323-08-1 C4H8DN
TERT-BUTYL CIS-4-HYDROXYCYCLOHEXYLCARBAMATE TERT-BUTYL CIS-4-HYDROXYCYCLOHEXYLCARBAMATE 167081-25-6 C11H21NO3
(S)-5-AMINO-PIPERIDIN-2-ONE HCL (S)-5-AMINO-PIPERIDIN-2-ONE HCL 672883-95-3 C5H11ClN2O
P-TOLYL-ACETYL CHLORIDE P-TOLYL-ACETYL CHLORIDE 35675-44-6 C9H9ClO
2-(2-(methoxy-d3)-4-(methyl-d3)phenyl-3,5,6-d3)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(2-(methoxy-d3)-4-(methyl-d3)phenyl-3,5,6-d3)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2256706-05-3 C14H21BO3
2-(3-(methoxy-d3)-5-(trifluoromethyl)phenyl-2,4,6-d3)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(3-(methoxy-d3)-5-(trifluoromethyl)phenyl-2,4,6-d3)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2256706-60-0 C14H18BF3O3
DEUTERIUM DEUTERIUM 7782-39-0 D2
DMT-dI Phosphoramidite DMT-dI Phosphoramidite 141684-35-7 C40H47N6O7P
5-(4 4 5 5-TETRAMETHYL-1 3 2-DIOXABOROL& 5-(4 4 5 5-TETRAMETHYL-1 3 2-DIOXABOROL& 479719-88-5 C14H17BO2S2
3-Bromo-2-ethoxy-5-fluorophenylboronicacid 3-Bromo-2-ethoxy-5-fluorophenylboronicacid 352534-82-8 C8H9BBrFO3
TRANS-1-PROPEN-1-YLBORONIC ACID TRANS-1-PROPEN-1-YLBORONIC ACID 7547-97-9 C3H7BO2
4-[4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PHENYL!MORPHOLINE 4-[4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)PHENYL!MORPHOLINE 568577-88-8 C16H24BNO3
TRIETHYLSILANE-D  97 ATOM % D TRIETHYLSILANE-D 97 ATOM % D 1631-33-0 C6H15DSi
1,3-BIS(2,4,6-TRIMETHYLPHENYL)IMIDAZOL-2-YLIDENE 1,3-BIS(2,4,6-TRIMETHYLPHENYL)IMIDAZOL-2-YLIDENE 141556-42-5 C21H24N2**
(4-borono-2,5-dimethylphenyl)boronic acid (4-borono-2,5-dimethylphenyl)boronic acid 90085-60-2 C8H12B2O4
Boronicacid,B,B'-thieno[3,2-b]thiophene-2,5-diylbis- Boronicacid,B,B'-thieno[3,2-b]thiophene-2,5-diylbis- 1281324-46-6 C6H6B2O4S2
2-(2,6-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(2,6-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 325141-72-8 C14H21BO2
Rhodium(1+), [(2,3,5,6-η)-bicyclo[2.2.1]hepta-2,5-diene][(1S,1'S,2S,2'S)-2,2'-bis(1,1-dimethylethyl)-2,2',3,3'-tetrahydro-1,1'-bi-1H-isophosphindole-κP2,κP2']-, tetrafluoroborate(1-) (1:1) Rhodium(1+), [(2,3,5,6-η)-bicyclo[2.2.1]hepta-2,5-diene][(1S,1'S,2S,2'S)-2,2'-bis(1,1-dimethylethyl)-2,2',3,3'-tetrahydro-1,1'-bi-1H-isophosphindole-κP2,κP2']-, tetrafluoroborate(1-) (1:1) 953081-84-0 C31H38BF4P2Rh
(4-Chloro-2-fluoro-5-formylphenyl)boronic acid (4-Chloro-2-fluoro-5-formylphenyl)boronic acid 325786-27-4 C7H5BClFO3
3-(3-Thienyl)phenylboronic acid 3-(3-Thienyl)phenylboronic acid 475206-83-8 C10H9BO2S
2-BROMO-3-METHYLTHIOPHENE-D3 2-BROMO-3-METHYLTHIOPHENE-D3 1185148-20-2 C5H2BrD3S
4-METHOXYMETHYLBENZENEBORONIC ACID 4-METHOXYMETHYLBENZENEBORONIC ACID 279262-11-2 C8H11BO3
PYRAZOLO[1,5-A]PYRIDIN-7-YLBORONIC ACID PYRAZOLO[1,5-A]PYRIDIN-7-YLBORONIC ACID 1231934-40-9 C7H7BN2O2
(N-HEXYL)TRIMETHYLAMMONIUM BROMIDE (N-HEXYL)TRIMETHYLAMMONIUM BROMIDE 2650-53-5 C9H22BrN
(+/-)8-HDOHE (+/-)8-HDOHE 90780-54-4 C22H32O3
Diphenyl-2,4,6-trimethylphenylsulfonium p-Toluenesulfonate Diphenyl-2,4,6-trimethylphenylsulfonium p-Toluenesulfonate 347841-51-4 C28H28O3S2
6-(TRIFLUOROMETHYL)PYRIDINE-2-BORONIC ACID PINACOL ESTER 6-(TRIFLUOROMETHYL)PYRIDINE-2-BORONIC ACID PINACOL ESTER 881402-16-0 C12H15BF3NO2
9-METHOXYCANTHIN-6-ONE 9-METHOXYCANTHIN-6-ONE 74991-91-6 C15H10N2O2
4-(DIMETHYLCARBAMOYL)-3-FLUOROBENZENEBORONIC ACID 4-(DIMETHYLCARBAMOYL)-3-FLUOROBENZENEBORONIC ACID 874289-13-1 C9H11BFNO3
3-CHLORO-2-HYDROXYPHENYL BORONIC ACID 3-CHLORO-2-HYDROXYPHENYL BORONIC ACID 951655-50-8 C6H6BClO3
6-(DI-BOC-AMINO)PYRIDINE-2-BORONIC ACID PINACOL ESTER 6-(DI-BOC-AMINO)PYRIDINE-2-BORONIC ACID PINACOL ESTER 1310384-87-2 C21H33BN2O6
2-(TERT-BUTOXYCARBONYL)-1,2,3,4-TETRAHYDROISOQUINOLIN-6-YLBORONIC ACID 2-(TERT-BUTOXYCARBONYL)-1,2,3,4-TETRAHYDROISOQUINOLIN-6-YLBORONIC ACID 1312765-94-8 C14H20BNO4
3-chloropropane-1-sulfonic Acid 3-chloropropane-1-sulfonic Acid 56984-95-3 C3H7ClO3S
(2-CYCLOBUTYLPHENYL)BORONIC ACID (2-CYCLOBUTYLPHENYL)BORONIC ACID 1629184-01-5 C10H13BO2
CHEMBRDG-BB 5213240 CHEMBRDG-BB 5213240 313505-80-5 C14H17N3
1H-Pyrazole, 1-(2-methylpropyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1H-Pyrazole, 1-(2-methylpropyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 2223047-52-5 C13H23BN2O2
4-(2,2,2-TRIFLUOROETHOXY)PHENYLBORONIC ACID 4-(2,2,2-TRIFLUOROETHOXY)PHENYLBORONIC ACID 886536-37-4 C8H8BF3O3
Thiazole, 2-(tetrahydro-2H-pyran-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- Thiazole, 2-(tetrahydro-2H-pyran-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 1402172-20-6 C14H22BNO3S
CHEMBRDG-BB 4012533 CHEMBRDG-BB 4012533 265664-52-6 C9H13BO4
6-(4-Hydroxyphenoxy)hexyl acrylate 6-(4-Hydroxyphenoxy)hexyl acrylate 161841-12-9 C15H20O4
3,5-Dibromo-4-methylphenylboronic acid 3,5-Dibromo-4-methylphenylboronic acid 2241870-51-7 C7H7BBr2O2
2,3-DIHYDRO-1-BENZOFURAN-7-BORONIC ACID 2,3-DIHYDRO-1-BENZOFURAN-7-BORONIC ACID 685514-61-8 C8H9BO3
2-Chloro-3-cyclopropyl-5-cyanophenylboronic acid pinacol ester 2-Chloro-3-cyclopropyl-5-cyanophenylboronic acid pinacol ester 2223037-57-6 C16H19BClNO2
2-Chloro-4-methyl-5-methoxyphenylboronic acid pinacol ester 2-Chloro-4-methyl-5-methoxyphenylboronic acid pinacol ester 2223031-75-0 C14H20BClO3
2-Chloro-5-trifluoromethyl-4-cyclopropylphenylboronic acid pinacol ester 2-Chloro-5-trifluoromethyl-4-cyclopropylphenylboronic acid pinacol ester 2223033-71-2 C16H19BClF3O2
2-Cyclopropyl-5-(pyrrolidino)phenylboronic acid pinacol ester 2-Cyclopropyl-5-(pyrrolidino)phenylboronic acid pinacol ester 2223032-35-5 C19H28BNO2
2-cyclopropyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline 2-cyclopropyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline 2223036-66-4 C15H22BNO2
2-Fluoro-4-(1H-pyrrol-1-yl)phenylboronic acid pinacol ester 2-Fluoro-4-(1H-pyrrol-1-yl)phenylboronic acid pinacol ester 2223054-10-0 C16H19BFNO2
2-Fluoro-4-(piperidino)phenylboronic acid pinacol ester 2-Fluoro-4-(piperidino)phenylboronic acid pinacol ester 2223032-11-7 C17H25BFNO2
methyl 3-cyclopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate methyl 3-cyclopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate 2223033-14-3 C17H23BO4
Methyl-d3 bromophenyl-2-carboxylate Methyl-d3 bromophenyl-2-carboxylate 1185306-88-0 C8H7BrO2
N-(2-Acetoxyethyl)-2,5-dihydro-1H-pyrrole-3-boronic acid pinacol ester N-(2-Acetoxyethyl)-2,5-dihydro-1H-pyrrole-3-boronic acid pinacol ester 2223006-33-3 C14H24BNO4
(2-((propan-2-yl-d7)oxy)phenyl)boronic acid (2-((propan-2-yl-d7)oxy)phenyl)boronic acid 2241866-85-1 C9H13BO3
(2-(ethyl-d5)phenyl)boronic acid (2-(ethyl-d5)phenyl)boronic acid 2241866-91-9 C8H11BO2
(2-(methoxy-d3)-4-(methyl-d3)phenyl)boronic acid (2-(methoxy-d3)-4-(methyl-d3)phenyl)boronic acid 2241870-85-7 C8H11BO3
(3-(ethyl-d5)phenyl-2,4,5,6-d4)boronic acid (3-(ethyl-d5)phenyl-2,4,5,6-d4)boronic acid 2241872-01-3 C8H11BO2
(3-fluoro-4-(methyl-d3)phenyl)boronic acid (3-fluoro-4-(methyl-d3)phenyl)boronic acid 2241870-93-7 C7H8BFO2
(4-(methyl-d3)-3-(trifluoromethyl)phenyl)boronic acid (4-(methyl-d3)-3-(trifluoromethyl)phenyl)boronic acid 2241870-95-9 C8H8BF3O2
1-(3-fluorophenyl-2,4,5,6-d4)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole-5-d 1-(3-fluorophenyl-2,4,5,6-d4)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazole-5-d 2256710-23-1 C14H17BFN3O2
2-(3-bromo-5-(methyl-d3)phenyl-2,4,6-d3)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(3-bromo-5-(methyl-d3)phenyl-2,4,6-d3)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2256706-85-9 C13H18BBrO2
2-(3-bromo-5-fluorophenyl-2,4,6-d3)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(3-bromo-5-fluorophenyl-2,4,6-d3)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2256706-96-2 C12H15BBrFO2
2-(3-iodophenyl-2,4,5,6-d4)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(3-iodophenyl-2,4,5,6-d4)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2241872-03-5 C12H16BIO2
2-(4-(1,4-dioxan-2-yl)-3-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(4-(1,4-dioxan-2-yl)-3-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2256755-43-6 C16H22BFO4
2-(4-bromophenyl)-5-(methyl-d3)thiophene-3,4-d2 2-(4-bromophenyl)-5-(methyl-d3)thiophene-3,4-d2 2256712-84-0 C11H9BrS
2-(4-fluoro-2-(methyl-d3)phenyl-3,5,6-d3)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(4-fluoro-2-(methyl-d3)phenyl-3,5,6-d3)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2256706-10-0 C13H18BFO2
2-(4-fluoro-3-(methyl-d3)phenyl-2,5,6-d3)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2-(4-fluoro-3-(methyl-d3)phenyl-2,5,6-d3)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 2256706-08-6 C13H18BFO2
2-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile-3,5,6-d3 2-(methyl-d3)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile-3,5,6-d3 2256706-14-4 C14H18BNO2
2-(piperidin-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile 2-(piperidin-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile 2216004-12-3 C18H25BN2O2
2-Trifluoromethylaminobenzene-3,4,5,6-d4 2-Trifluoromethylaminobenzene-3,4,5,6-d4 1643543-71-8 C7H6F3N
3-Cyanobromobenzene-2,4,5,6-d4 3-Cyanobromobenzene-2,4,5,6-d4 81395-18-8 C7D4BrN
3-Methoxybromobenzene-d7 3-Methoxybromobenzene-d7 1109219-40-0 C7BrD7O
4-(2-bromophenyl)thiazole-2,5-d2 4-(2-bromophenyl)thiazole-2,5-d2 2256711-06-3 C9H6BrNS
4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-3,5-d2 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-3,5-d2 2241872-69-3 C9H13BD2N2O2
4,4,5,5-tetramethyl-2-(4-(methyl-13C)phenyl)-1,3,2-dioxaborolane 4,4,5,5-tetramethyl-2-(4-(methyl-13C)phenyl)-1,3,2-dioxaborolane 1189171-65-0 C13H19BO2
4,4,5,5-tetramethyl-2-(4-(methyl-d3)thiophen-2-yl-3,5-d2)-1,3,2-dioxaborolane 4,4,5,5-tetramethyl-2-(4-(methyl-d3)thiophen-2-yl-3,5-d2)-1,3,2-dioxaborolane 2241877-26-7 C11H17BO2S
4-bromo-1-(2-(methyl-d3)phenyl-3,4,5,6-d4)-1H-1,2,3-triazole-5-d 4-bromo-1-(2-(methyl-d3)phenyl-3,4,5,6-d4)-1H-1,2,3-triazole-5-d 2256708-12-8 C9H8BrN3
4-bromo-1-(4-(trifluoromethyl)phenyl-2,3,5,6-d4)-1H-1,2,3-triazole-5-d 4-bromo-1-(4-(trifluoromethyl)phenyl-2,3,5,6-d4)-1H-1,2,3-triazole-5-d 2256708-18-4 C9H5BrF3N3
4-Methoxycarbonyl(phenyl-2,3,5,6-d4)-boronic acid 4-Methoxycarbonyl(phenyl-2,3,5,6-d4)-boronic acid 1027088-34-1 C8H9BO4
4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)thiazole 4-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-(trifluoromethyl)thiazole 2256758-33-3 C11H15BF3NO2S
5-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazol-1-yl)thiazole 5-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-1,2,3-triazol-1-yl)thiazole 2256757-91-0 C11H15BN4O2S
5-(4-bromophenyl)thiazole-2,4-d2 5-(4-bromophenyl)thiazole-2,4-d2 2256712-64-6 C9H6BrNS
6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinonitrile-3,4,5-d3 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinonitrile-3,4,5-d3 2241869-98-5 C12H12BD3N2O2
morpholin-3-one-2,2,5,5,6,6-d6 morpholin-3-one-2,2,5,5,6,6-d6 2259315-80-3 C4H7NO2
oxetan-3-one-d4 oxetan-3-one-d4 2294948-98-2 C3H4O2
tert-butyl (2-bromophenyl-3,4,5,6-d4)carbamate tert-butyl (2-bromophenyl-3,4,5,6-d4)carbamate 2256713-17-2 C11H14BrNO2
BIS(2-CYANOETHYL)-N,N-DIISOPROPYL PHOSPHORAMIDITE BIS(2-CYANOETHYL)-N,N-DIISOPROPYL PHOSPHORAMIDITE 102690-88-0 C12H22N3O2P
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