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API and pharmaceutical reference standards for drug development, QC and regulatory submission.

1-Ethyl-4-nitro-1h-pyrazole-5-carbonitrile structure

1-Ethyl-4-nitro-1h-pyrazole-5-carbonitrile

CAS: 1004643-51-9

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2-(4-Chloro-3,5-dimethyl-1H-pyrazol-1-yl)acetonitrile structure

2-(4-Chloro-3,5-dimethyl-1H-pyrazol-1-yl)acetonitrile

CAS: 1004643-52-0

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4-(Ethoxymethyl)-1-ethyl-3-methyl-1h-pyrazole structure

4-(Ethoxymethyl)-1-ethyl-3-methyl-1h-pyrazole

CAS: 1004643-53-1

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1-(2-Chloro-4-fluorobenzyl)-5-methyl-3-nitro-1h-pyrazole structure

1-(2-Chloro-4-fluorobenzyl)-5-methyl-3-nitro-1h-pyrazole

CAS: 1004643-55-3

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3-(1-(1H-Pyrazol-4-yl)propyl)-2-thioxoimidazolidin-4-one structure

3-(1-(1H-Pyrazol-4-yl)propyl)-2-thioxoimidazolidin-4-one

CAS: 1004643-56-4

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5-((3-Methyl-1h-pyrazol-1-yl)methyl)-1,3,4-oxadiazole-2-thiol structure

5-((3-Methyl-1h-pyrazol-1-yl)methyl)-1,3,4-oxadiazole-2-thiol

CAS: 1004643-57-5

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1-Ethyl-4-(4-isothiocyanato-pyrazol-1-ylmethyl)-5-methyl-1h-pyrazole structure

1-Ethyl-4-(4-isothiocyanato-pyrazol-1-ylmethyl)-5-methyl-1h-pyrazole

CAS: 1004643-58-6

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1-(3-Isothiocyanato-propyl)-3,5-dimethyl-1h-pyrazole structure

1-(3-Isothiocyanato-propyl)-3,5-dimethyl-1h-pyrazole

CAS: 1004643-59-7

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1-[(1-ethyl-3-methyl-1h-pyrazol-4-yl)methyl]-3,5-dimethyl-1h-pyrazol-4-amine structure

1-[(1-ethyl-3-methyl-1h-pyrazol-4-yl)methyl]-3,5-dimethyl-1h-pyrazol-4-amine

CAS: 1004643-60-0

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{[(4-chloro-1H-pyrazol-1-yl)methyl]thio}acetic acid structure

{[(4-chloro-1H-pyrazol-1-yl)methyl]thio}acetic acid

CAS: 1004643-61-1

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3-{[3-(trifluoromethyl)-1h-pyrazol-1-yl]methyl}benzoic acid structure

3-{[3-(trifluoromethyl)-1h-pyrazol-1-yl]methyl}benzoic acid

CAS: 1004643-62-2

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n-(2-Aminoethyl)-2-(5-methyl-1h-pyrazol-1-yl)acetamide structure

n-(2-Aminoethyl)-2-(5-methyl-1h-pyrazol-1-yl)acetamide

CAS: 1004643-63-3

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1-(Difluoromethyl)-5-methyl-1H-pyrazole-3-carboxylic acid structure

1-(Difluoromethyl)-5-methyl-1H-pyrazole-3-carboxylic acid

CAS: 1004643-64-4

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4-(1-Ethyl-5-methyl-1H-pyrazol-4-yl)-pyrimidine-2-thiol structure

4-(1-Ethyl-5-methyl-1H-pyrazol-4-yl)-pyrimidine-2-thiol

CAS: 1004643-65-5

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1-(5-methyl-pyraZol-1-yl)-propan-2-one structure

1-(5-methyl-pyraZol-1-yl)-propan-2-one

CAS: 1004643-66-6

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1-(3-(Trifluoromethyl)-1h-pyrazol-1-yl)propan-2-one structure

1-(3-(Trifluoromethyl)-1h-pyrazol-1-yl)propan-2-one

CAS: 1004643-67-7

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1-propyl-1H-pyrazole-5-carboxylic acid structure

1-propyl-1H-pyrazole-5-carboxylic acid

CAS: 1004643-68-8

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1-ethyl-3-(trifluoromethyl)-1h-pyraZole-5-carbohydrazide structure

1-ethyl-3-(trifluoromethyl)-1h-pyraZole-5-carbohydrazide

CAS: 1004643-69-9

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1H-Pyrazole-3-carboxylic acid, 1-ethyl-5-(trifluoromethyl)- structure

1H-Pyrazole-3-carboxylic acid, 1-ethyl-5-(trifluoromethyl)-

CAS: 1004643-70-2

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2-(1,3,5-Trimethyl-1h-pyrazol-4-yl)quinoline-4-carboxylic acid structure

2-(1,3,5-Trimethyl-1h-pyrazol-4-yl)quinoline-4-carboxylic acid

CAS: 1004643-71-3

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2-(1,5-Dimethyl-1h-pyrazol-4-yl)quinoline-4-carbohydrazide structure

2-(1,5-Dimethyl-1h-pyrazol-4-yl)quinoline-4-carbohydrazide

CAS: 1004643-74-6

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2-(1-Ethyl-1h-pyrazol-4-yl)quinoline-4-carbohydrazide structure

2-(1-Ethyl-1h-pyrazol-4-yl)quinoline-4-carbohydrazide

CAS: 1004643-75-7

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2-(1-Ethyl-5-methyl-1H-pyrazol-4-yl)quinoline-4-carbohydrazide structure

2-(1-Ethyl-5-methyl-1H-pyrazol-4-yl)quinoline-4-carbohydrazide

CAS: 1004643-76-8

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2-Hydrazinyl-4-(1-methyl-1H-pyrazol-4-yl)-6-(trifluoromethyl)pyrimidine structure

2-Hydrazinyl-4-(1-methyl-1H-pyrazol-4-yl)-6-(trifluoromethyl)pyrimidine

CAS: 1004644-02-3

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4-(1,3-Dimethyl-1h-pyrazol-4-yl)-2-hydrazinyl-6-(trifluoromethyl)pyrimidine structure

4-(1,3-Dimethyl-1h-pyrazol-4-yl)-2-hydrazinyl-6-(trifluoromethyl)pyrimidine

CAS: 1004644-03-4

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4-(1-Ethyl-1H-pyrazol-4-yl)-2-hydrazinyl-6-(trifluoromethyl)pyrimidine structure

4-(1-Ethyl-1H-pyrazol-4-yl)-2-hydrazinyl-6-(trifluoromethyl)pyrimidine

CAS: 1004644-05-6

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4-(Difluoromethyl)-6-(1,3-dimethyl-1h-pyrazol-4-yl)-2-hydrazinylpyrimidine structure

4-(Difluoromethyl)-6-(1,3-dimethyl-1h-pyrazol-4-yl)-2-hydrazinylpyrimidine

CAS: 1004644-06-7

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4-(Difluoromethyl)-6-(1-ethyl-5-methyl-1h-pyrazol-4-yl)-2-hydrazinylpyrimidine structure

4-(Difluoromethyl)-6-(1-ethyl-5-methyl-1h-pyrazol-4-yl)-2-hydrazinylpyrimidine

CAS: 1004644-07-8

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N-(2-aminoethyl)-2-(3,5-dimethyl-4-nitro-1H-pyrazol-1-yl)acetamide structure

N-(2-aminoethyl)-2-(3,5-dimethyl-4-nitro-1H-pyrazol-1-yl)acetamide

CAS: 1004644-08-9

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5-(1,3-dimethyl-1h-pyraZol-4-yl)-isoxazole-3-carboxylic acid hydrazide structure

5-(1,3-dimethyl-1h-pyraZol-4-yl)-isoxazole-3-carboxylic acid hydrazide

CAS: 1004644-09-0

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Methyl 2-(1-ethyl-3-methyl-1h-pyrazol-4-yl)quinoline-4-carboxylate structure

Methyl 2-(1-ethyl-3-methyl-1h-pyrazol-4-yl)quinoline-4-carboxylate

CAS: 1004644-10-3

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Ethyl 3-(4-chloro-3-nitro-1h-pyrazol-1-yl)propanoate structure

Ethyl 3-(4-chloro-3-nitro-1h-pyrazol-1-yl)propanoate

CAS: 1004644-11-4

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1-(3-Chloro-benzyl)-4-isothiocyanato-3,5-dimethyl-1h-pyrazole structure

1-(3-Chloro-benzyl)-4-isothiocyanato-3,5-dimethyl-1h-pyrazole

CAS: 1004644-12-5

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4-Chloro-1-(2,6-dichlorobenzyl)-3-isothiocyanato-1h-pyrazole structure

4-Chloro-1-(2,6-dichlorobenzyl)-3-isothiocyanato-1h-pyrazole

CAS: 1004644-13-6

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2-(4-Chloro-3-nitro-1H-pyrazol-1-yl)acetohydrazide structure

2-(4-Chloro-3-nitro-1H-pyrazol-1-yl)acetohydrazide

CAS: 1004644-14-7

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2-(5-Cyclopropyl-3-(difluoromethyl)-1h-pyrazol-1-yl)acetohydrazide structure

2-(5-Cyclopropyl-3-(difluoromethyl)-1h-pyrazol-1-yl)acetohydrazide

CAS: 1004644-16-9

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Methyl 2-(1,5-dimethyl-1h-pyrazol-4-yl)quinoline-4-carboxylate structure

Methyl 2-(1,5-dimethyl-1h-pyrazol-4-yl)quinoline-4-carboxylate

CAS: 1004644-17-0

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N,N-Dimethyl-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)acrylamide structure

N,N-Dimethyl-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)acrylamide

CAS: 1004644-18-1

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4-Amino-1-ethyl-N-isopropyl-1H-pyrazole-3-carboxamide structure

4-Amino-1-ethyl-N-isopropyl-1H-pyrazole-3-carboxamide

CAS: 1004644-20-5

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5-((5-Methyl-1h-pyrazol-1-yl)methyl)-1,3,4-oxadiazole-2-thiol structure

5-((5-Methyl-1h-pyrazol-1-yl)methyl)-1,3,4-oxadiazole-2-thiol

CAS: 1004644-22-7

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1-(difluoromethyl)-5-methyl-1h-pyraZole-3-carbohydrazide structure

1-(difluoromethyl)-5-methyl-1h-pyraZole-3-carbohydrazide

CAS: 1004644-24-9

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1-Ethyl-3-methyl-5-nitro-1h-pyrazole structure

1-Ethyl-3-methyl-5-nitro-1h-pyrazole

CAS: 1004644-25-0

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1-Ethyl-3-methyl-4-((4-nitro-1H-pyrazol-1-yl)methyl)-1H-pyrazole structure

1-Ethyl-3-methyl-4-((4-nitro-1H-pyrazol-1-yl)methyl)-1H-pyrazole

CAS: 1004644-27-2

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1,3-Dimethyl-4-((4-nitro-1h-pyrazol-1-yl)methyl)-1h-pyrazole structure

1,3-Dimethyl-4-((4-nitro-1h-pyrazol-1-yl)methyl)-1h-pyrazole

CAS: 1004644-28-3

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methyl 2-(1-ethyl-1H-pyrazol-4-yl)quinoline-4-carboxylate structure

methyl 2-(1-ethyl-1H-pyrazol-4-yl)quinoline-4-carboxylate

CAS: 1004644-29-4

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(E)-3-(1-Ethyl-3-methyl-1h-pyrazol-4-yl)acryloyl chloride structure

(E)-3-(1-Ethyl-3-methyl-1h-pyrazol-4-yl)acryloyl chloride

CAS: 1004644-47-6

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(2E)-3-(1-Ethyl-5-methyl-1H-pyrazol-4-yl)-acryloyl chloride 1004644-49-8 7175AC C9H11ClN2O structure

(2E)-3-(1-Ethyl-5-methyl-1H-pyrazol-4-yl)-acryloyl chloride 1004644-49-8 7175AC C9H11ClN2O

CAS: 1004644-49-8

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Ethyl 2-(3-(difluoromethyl)-5-methyl-1h-pyrazol-1-yl)acetate structure

Ethyl 2-(3-(difluoromethyl)-5-methyl-1h-pyrazol-1-yl)acetate

CAS: 1004644-50-1

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2-(4-chloro-3,5-dimethyl-1h-pyraZol-1-yl)acetohydrazide structure

2-(4-chloro-3,5-dimethyl-1h-pyraZol-1-yl)acetohydrazide

CAS: 1004644-51-2

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2-(4-Bromo-5-methyl-1h-pyrazol-1-yl)acetohydrazide structure

2-(4-Bromo-5-methyl-1h-pyrazol-1-yl)acetohydrazide

CAS: 1004644-52-3

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2-(4-Methyl-1H-pyrazol-1-yl)acetohydrazide structure

2-(4-Methyl-1H-pyrazol-1-yl)acetohydrazide

CAS: 1004644-53-4

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3-(5-Methyl-4-nitro-1h-pyrazol-1-yl)propanoic acid structure

3-(5-Methyl-4-nitro-1h-pyrazol-1-yl)propanoic acid

CAS: 1004644-54-5

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2-(4-chloro-3-methyl-1h-pyraZol-1-yl)acetohydrazide structure

2-(4-chloro-3-methyl-1h-pyraZol-1-yl)acetohydrazide

CAS: 1004644-55-6

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3-(4-Bromo-3-methyl-1h-pyrazol-1-yl)propanehydrazide structure

3-(4-Bromo-3-methyl-1h-pyrazol-1-yl)propanehydrazide

CAS: 1004644-56-7

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3-(3-Methyl-4-nitro-1h-pyrazol-1-yl)propanehydrazide structure

3-(3-Methyl-4-nitro-1h-pyrazol-1-yl)propanehydrazide

CAS: 1004644-57-8

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3-(4-bromo-5-methyl-1h-pyraZol-1-yl)propanohydrazide structure

3-(4-bromo-5-methyl-1h-pyraZol-1-yl)propanohydrazide

CAS: 1004644-59-0

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3-(5-Methyl-4-nitro-1h-pyrazol-1-yl)propanehydrazide structure

3-(5-Methyl-4-nitro-1h-pyrazol-1-yl)propanehydrazide

CAS: 1004644-61-4

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3-(3-Methoxy-4-nitro-1h-pyrazol-1-yl)propanehydrazide structure

3-(3-Methoxy-4-nitro-1h-pyrazol-1-yl)propanehydrazide

CAS: 1004644-62-5

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3-(3-Nitro-1h-pyrazol-1-yl)propanoic acid structure

3-(3-Nitro-1h-pyrazol-1-yl)propanoic acid

CAS: 1004644-63-6

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3-(4-Chloro-3-nitro-1h-pyrazol-1-yl)propanoic acid structure

3-(4-Chloro-3-nitro-1h-pyrazol-1-yl)propanoic acid

CAS: 1004644-64-7

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3-(3-Nitro-1h-pyrazol-1-yl)propanehydrazide structure

3-(3-Nitro-1h-pyrazol-1-yl)propanehydrazide

CAS: 1004644-65-8

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3-(4-Chloro-3-nitro-1h-pyrazol-1-yl)propanehydrazide structure

3-(4-Chloro-3-nitro-1h-pyrazol-1-yl)propanehydrazide

CAS: 1004644-66-9

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2-(4-Bromo-5-methyl-3-(trifluoromethyl)-1h-pyrazol-1-yl)acetohydrazide structure

2-(4-Bromo-5-methyl-3-(trifluoromethyl)-1h-pyrazol-1-yl)acetohydrazide

CAS: 1004644-67-0

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1,2-Dichloro-3-fluoro-4-nitrobenzene structure

1,2-Dichloro-3-fluoro-4-nitrobenzene

CAS: 100465-04-1

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6-Methyl-2-azabicyclo[2.2.0]hex-5-en-3-one structure

6-Methyl-2-azabicyclo[2.2.0]hex-5-en-3-one

CAS: 100465-35-8

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4-Carboxy-3-nitrobenzylbromide structure

4-Carboxy-3-nitrobenzylbromide

CAS: 100466-27-1

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4-Carboxy-3-nitrobenzylamine structure

4-Carboxy-3-nitrobenzylamine

CAS: 100466-28-2

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4-Cyano-3-nitrobenzyl bromide structure

4-Cyano-3-nitrobenzyl bromide

CAS: 100466-37-3

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(S)-2-(Sulfoamino)succinic acid structure

(S)-2-(Sulfoamino)succinic acid

CAS: 100466-76-0

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N-(2-(1H-1,2,4-Triazol-1-yl)ethyl)-4-bromobenzamide structure

N-(2-(1H-1,2,4-Triazol-1-yl)ethyl)-4-bromobenzamide

CAS: 100467-82-1

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n-[1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1h-pyrazol-5-yl]adamantane-1-carboxamide structure

n-[1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1h-pyrazol-5-yl]adamantane-1-carboxamide

CAS: 1004679-87-1

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Ethyl 2-((1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)amino)-2-oxoacetate structure

Ethyl 2-((1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)amino)-2-oxoacetate

CAS: 1004679-91-7

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2-(2-Amino-2-oxoethoxy)-5-bromobenzoic acid structure

2-(2-Amino-2-oxoethoxy)-5-bromobenzoic acid

CAS: 1004687-81-3

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4-(2-Amino-2-oxoethoxy)-3-chlorobenzoic acid structure

4-(2-Amino-2-oxoethoxy)-3-chlorobenzoic acid

CAS: 1004687-82-4

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1-(piperidin-2-yl)propan-2-ol structure

1-(piperidin-2-yl)propan-2-ol

CAS: 10047-06-0

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Methyl 2-aminopentanoate hydrochloride structure

Methyl 2-aminopentanoate hydrochloride

CAS: 10047-10-6

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1-(1,2-dihydro-5-acenaphthylenyl)-1-ethanone structure

1-(1,2-dihydro-5-acenaphthylenyl)-1-ethanone

CAS: 10047-18-4

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4-((3,5-Dimethylisoxazol-4-yl)methoxy)benzonitrile structure

4-((3,5-Dimethylisoxazol-4-yl)methoxy)benzonitrile

CAS: 1004701-68-1

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4-(2-(3-(Trifluoromethyl)phenoxy)ethyl)morpholine structure

4-(2-(3-(Trifluoromethyl)phenoxy)ethyl)morpholine

CAS: 1004715-25-6

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Benzyl 3-mercaptopyrrolidine-1-carboxylate structure

Benzyl 3-mercaptopyrrolidine-1-carboxylate

CAS: 100472-48-8

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1,1-Dimethylbutyl 2-methyl-2-propenoate structure

1,1-Dimethylbutyl 2-methyl-2-propenoate

CAS: 100472-88-6

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3-(Diethylcarbamoyl)-1-methyl-1h-pyrazole-5-carboxylic acid structure

3-(Diethylcarbamoyl)-1-methyl-1h-pyrazole-5-carboxylic acid

CAS: 1004727-28-9

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1-Methyl-3-(morpholine-4-carbonyl)-1h-pyrazole-5-carboxylic acid structure

1-Methyl-3-(morpholine-4-carbonyl)-1h-pyrazole-5-carboxylic acid

CAS: 1004727-34-7

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1,3-Dimethyl-6-(1,3,5-trimethyl-1H-pyrazol-4-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid structure

1,3-Dimethyl-6-(1,3,5-trimethyl-1H-pyrazol-4-yl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid

CAS: 1004727-40-5

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5,7-Bis(1-methyl-1h-pyrazol-5-yl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid structure

5,7-Bis(1-methyl-1h-pyrazol-5-yl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid

CAS: 1004727-44-9

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7-(Trimethyl-1h-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid structure

7-(Trimethyl-1h-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid

CAS: 1004727-47-2

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5-(1-Methyl-4-nitro-1H-pyrazol-3-yl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid structure

5-(1-Methyl-4-nitro-1H-pyrazol-3-yl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid

CAS: 1004727-48-3

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1-((3-Nitro-1h-1,2,4-triazol-1-yl)methyl)-1h-pyrazole-3-carboxylic acid structure

1-((3-Nitro-1h-1,2,4-triazol-1-yl)methyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004727-49-4

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6-(1,5-Dimethyl-1h-pyrazol-4-yl)-3-methyl-1-propyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid structure

6-(1,5-Dimethyl-1h-pyrazol-4-yl)-3-methyl-1-propyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid

CAS: 1004727-50-7

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2,2-Dimethyl-1-(5-methylfuran-2-yl)butan-1-one structure

2,2-Dimethyl-1-(5-methylfuran-2-yl)butan-1-one

CAS: 100475-32-9

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(2S,3R)-2-Methylpyrrolidine-3-carboxylic acid structure

(2S,3R)-2-Methylpyrrolidine-3-carboxylic acid

CAS: 1004750-54-2

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Tert-butyl(2s,4s)-4-cyano-2-methyl-pyrrolidine-1-carboxylate structure

Tert-butyl(2s,4s)-4-cyano-2-methyl-pyrrolidine-1-carboxylate

CAS: 1004750-57-5

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2-{[(1R)-1-phenylethyl]amino}acetamide structure

2-{[(1R)-1-phenylethyl]amino}acetamide

CAS: 1004754-97-5

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Tert-butyl (R)-2-(2,6-dichlorophenyl)-5-oxo-3-((R)-1-phenylethyl)imidazolidine-1-carboxylate structure

Tert-butyl (R)-2-(2,6-dichlorophenyl)-5-oxo-3-((R)-1-phenylethyl)imidazolidine-1-carboxylate

CAS: 1004755-00-3

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Ethyl 3-methyl-5-(trifluoromethyl)-1H-indole-2-carboxylate structure

Ethyl 3-methyl-5-(trifluoromethyl)-1H-indole-2-carboxylate

CAS: 1004758-61-5

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(S)-2-((tert-Butoxycarbonyl)amino)-2-(o-tolyl)acetic acid structure

(S)-2-((tert-Butoxycarbonyl)amino)-2-(o-tolyl)acetic acid

CAS: 1004759-89-0

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1-Pyrenyl(triphenylphosphine)gold structure

1-Pyrenyl(triphenylphosphine)gold

CAS: 1004759-93-6

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2-(2-Nitrophenyl)propan-2-ol structure

2-(2-Nitrophenyl)propan-2-ol

CAS: 100476-16-2

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(R)-1-Benzyl-N-methylpyrrolidin-3-amine hydrobromide structure

(R)-1-Benzyl-N-methylpyrrolidin-3-amine hydrobromide

CAS: 1004760-94-4

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2,6-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline structure

2,6-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline

CAS: 1004761-68-5

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