Home / Products / Pharmaceutical Reference Standards

Product Category

Pharmaceutical Reference Standards

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

2,5-Diazabicyclo[2.2.2]octane-3,6-dione structure

2,5-Diazabicyclo[2.2.2]octane-3,6-dione

CAS: 1004-98-4

In Stock97%+

2-Chloro-2-phenylethanol structure

2-Chloro-2-phenylethanol

CAS: 1004-99-5

In Stock97%+

(Pyridin-2-ylmethylene)bis(4,1-phenylene) bis(hydrogen sulfate) structure

(Pyridin-2-ylmethylene)bis(4,1-phenylene) bis(hydrogen sulfate)

CAS: 10040-34-3

In Stock97%+

Bisphenol A Bissulfate Disodium Salt structure

Bisphenol A Bissulfate Disodium Salt

CAS: 10040-44-5

In Stock97%+

(3-Aminotutyl)(methyl)amine structure

(3-Aminotutyl)(methyl)amine

CAS: 10040-52-5

In Stock97%+

4-chloroÂbenzÂalhydantoin structure

4-chloroÂbenzÂalhydantoin

CAS: 10040-86-5

In Stock97%+

5-(4-(Dimethylamino)benzylidene)imidazolidine-2,4-dione structure

5-(4-(Dimethylamino)benzylidene)imidazolidine-2,4-dione

CAS: 10040-87-6

In Stock97%+

1-(2-Methoxyphenyl)-1H-imidazole structure

1-(2-Methoxyphenyl)-1H-imidazole

CAS: 10040-93-4

In Stock97%+

1-(3-Methoxyphenyl)-1H-imidazole structure

1-(3-Methoxyphenyl)-1H-imidazole

CAS: 10040-94-5

In Stock97%+

1-(4-methoxyphenyl)-1<I>H</I>-imidazole structure

1-(4-methoxyphenyl)-1<I>H</I>-imidazole

CAS: 10040-95-6

In Stock97%+

1-(4-Bromophenyl)-1H-imidazole structure

1-(4-Bromophenyl)-1H-imidazole

CAS: 10040-96-7

In Stock97%+

4-(1H-imidazol-1-yl)-N,N-dimethylaniline structure

4-(1H-imidazol-1-yl)-N,N-dimethylaniline

CAS: 10040-97-8

In Stock97%+

3-(2-Ethylhexyl)-2-thioxo-1,3-thiazolidin-4-one structure

3-(2-Ethylhexyl)-2-thioxo-1,3-thiazolidin-4-one

CAS: 100400-44-0

In Stock97%+

10-Cyanodecanoic acid structure

10-Cyanodecanoic acid

CAS: 100400-58-6

In Stock97%+

2-Acetamido-3-cyclohexylpropanoic acid structure

2-Acetamido-3-cyclohexylpropanoic acid

CAS: 100400-96-2

In Stock97%+

2-(3,4-Dichlorophenyl)-N-(4-(N-(thiazol-2-yl)sulfamoyl)phenyl)acetamide structure

2-(3,4-Dichlorophenyl)-N-(4-(N-(thiazol-2-yl)sulfamoyl)phenyl)acetamide

CAS: 1004000-82-1

In Stock97%+

(2E)-1-(2,5-Dichlorophenyl)-3-(2,3-dimethoxyphenyl)prop-2-en-1-one structure

(2E)-1-(2,5-Dichlorophenyl)-3-(2,3-dimethoxyphenyl)prop-2-en-1-one

CAS: 1004008-99-4

In Stock97%+

1-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)acetone structure

1-(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)acetone

CAS: 1004017-87-1

In Stock97%+

1-(4-Bromo-2,3,5,6-tetrafluorophenyl)-3,5-dimethyl-1H-pyrazole structure

1-(4-Bromo-2,3,5,6-tetrafluorophenyl)-3,5-dimethyl-1H-pyrazole

CAS: 1004018-33-0

In Stock97%+

4-Methyl-5-(1-methyl-1H-pyrazol-3-yl)-4H-1,2,4-triazole-3-thiol structure

4-Methyl-5-(1-methyl-1H-pyrazol-3-yl)-4H-1,2,4-triazole-3-thiol

CAS: 1004020-58-9

In Stock97%+

4-Ethyl-5-((5-methyl-1h-pyrazol-1-yl)methyl)-4h-1,2,4-triazole-3-thiol structure

4-Ethyl-5-((5-methyl-1h-pyrazol-1-yl)methyl)-4h-1,2,4-triazole-3-thiol

CAS: 1004020-62-5

In Stock97%+

3-(1,3-Dimethyl-1H-pyrazol-4-yl)-2-thioxoimidazolidin-4-one structure

3-(1,3-Dimethyl-1H-pyrazol-4-yl)-2-thioxoimidazolidin-4-one

CAS: 1004020-66-9

In Stock97%+

3-Cyano-N-(3-methoxyphenyl)benzenesulfonamide structure

3-Cyano-N-(3-methoxyphenyl)benzenesulfonamide

CAS: 1004033-45-7

In Stock97%+

3-Cyano-N-(4-methoxyphenyl)benzenesulfonamide structure

3-Cyano-N-(4-methoxyphenyl)benzenesulfonamide

CAS: 1004035-01-1

In Stock97%+

(2E)-1-(2,5-Dimethoxyphenyl)-3-(2-fluorophenyl)prop-2-en-1-one structure

(2E)-1-(2,5-Dimethoxyphenyl)-3-(2-fluorophenyl)prop-2-en-1-one

CAS: 1004035-72-6

In Stock97%+

(2E)-3-(3-Bromophenyl)-1-(3-chlorophenyl)prop-2-en-1-one structure

(2E)-3-(3-Bromophenyl)-1-(3-chlorophenyl)prop-2-en-1-one

CAS: 1004039-97-7

In Stock97%+

1-(3-chlorophenyl)-5-isopropyl-1H-pyrazole-4-carboxylic acid structure

1-(3-chlorophenyl)-5-isopropyl-1H-pyrazole-4-carboxylic acid

CAS: 1004043-11-1

In Stock97%+

N-Benzyl-4-(N-phenylsulfamoyl)benzamide structure

N-Benzyl-4-(N-phenylsulfamoyl)benzamide

CAS: 1004044-80-7

In Stock97%+

4-(Hydrazinecarbonyl)-N-(3-morpholinopropyl)benzenesulfonamide structure

4-(Hydrazinecarbonyl)-N-(3-morpholinopropyl)benzenesulfonamide

CAS: 1004046-32-5

In Stock97%+

4-(sec-Butoxy)-4-oxobutanoic Acid structure

4-(sec-Butoxy)-4-oxobutanoic Acid

CAS: 100405-37-6

In Stock97%+

4-Methoxy-N-(thieno[2,3-d]pyrimidin-4-yl)benzamide structure

4-Methoxy-N-(thieno[2,3-d]pyrimidin-4-yl)benzamide

CAS: 1004052-50-9

In Stock97%+

2,4-Dichloro-N-(thieno[2,3-d]pyrimidin-4-yl)benzamide structure

2,4-Dichloro-N-(thieno[2,3-d]pyrimidin-4-yl)benzamide

CAS: 1004052-57-6

In Stock97%+

2-{(1S)-1-[(tert-Butoxycarbonyl)amino]-2-phenylethyl}-1,3-oxazole-4-carboxylic acid structure

2-{(1S)-1-[(tert-Butoxycarbonyl)amino]-2-phenylethyl}-1,3-oxazole-4-carboxylic acid

CAS: 1004054-69-6

In Stock97%+

4-(4-Methyl-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)benzoic acid structure

4-(4-Methyl-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)benzoic acid

CAS: 1004085-26-0

In Stock97%+

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

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

CAS: 1004096-15-4

In Stock97%+

4-(imidazol-1-yl)phenol structure

4-(imidazol-1-yl)phenol

CAS: 10041-02-8

In Stock97%+

3-(1H-imidazol-1-yl)phenol structure

3-(1H-imidazol-1-yl)phenol

CAS: 10041-03-9

In Stock97%+

2-(1H-imidazol-1-yl)phenol structure

2-(1H-imidazol-1-yl)phenol

CAS: 10041-04-0

In Stock97%+

1-(4-(1H-Imidazol-1-yl)phenyl)ethanone structure

1-(4-(1H-Imidazol-1-yl)phenyl)ethanone

CAS: 10041-06-2

In Stock97%+

Docusate - API Standards structure

Docusate - API Standards

CAS: 10041-19-7

In Stock97%+

(2-Methyl-allyloxy)-aceticacid structure

(2-Methyl-allyloxy)-aceticacid

CAS: 10041-27-7

In Stock97%+

n-(4-Bromo-2-fluorophenyl)-5-methylpyrazine-2-carboxamide structure

n-(4-Bromo-2-fluorophenyl)-5-methylpyrazine-2-carboxamide

CAS: 1004109-78-7

In Stock97%+

1-Bromo-3-chloro-5-(difluoromethoxy)benzene structure

1-Bromo-3-chloro-5-(difluoromethoxy)benzene

CAS: 1004112-67-7

In Stock97%+

16:0rac PC-d80 structure

16:0rac PC-d80

CAS: 100412-79-1

In Stock97%+

(4R)-4,6'-dimethyl-4,5-dihydro-1'H,3H-spiro[furan-2,3'-naphtho[1,2-c]furan]-1'-one structure

(4R)-4,6'-dimethyl-4,5-dihydro-1'H,3H-spiro[furan-2,3'-naphtho[1,2-c]furan]-1'-one

CAS: 100414-80-0

In Stock97%+

2-Cyclohexylpiperazine structure

2-Cyclohexylpiperazine

CAS: 100416-31-7

In Stock97%+

1-(2-((1-Bromonaphthalen-2-yl)oxy)ethyl)pyrrolidine structure

1-(2-((1-Bromonaphthalen-2-yl)oxy)ethyl)pyrrolidine

CAS: 1004167-71-8

In Stock97%+

Piperidine-1-carboximidamide xsulfate structure

Piperidine-1-carboximidamide xsulfate

CAS: 100417-03-6

In Stock97%+

5-((4-(Methylthio)benzyl)thio)-1,3,4-thiadiazol-2-amine structure

5-((4-(Methylthio)benzyl)thio)-1,3,4-thiadiazol-2-amine

CAS: 1004176-47-9

In Stock97%+

Methyl 4-Chloro-2,6-dinitrobenzoate structure

Methyl 4-Chloro-2,6-dinitrobenzoate

CAS: 100418-47-1

In Stock97%+

2-(4-Nitrophenylamino)ethyl methanesulfonate structure

2-(4-Nitrophenylamino)ethyl methanesulfonate

CAS: 100418-51-7

In Stock97%+

3-(4-(1H-Pyrazol-1-yl)phenyl)-6-(methylthio)pyridazine structure

3-(4-(1H-Pyrazol-1-yl)phenyl)-6-(methylthio)pyridazine

CAS: 1004184-50-2

In Stock97%+

4-Bromo-N-(2-chloro-4-methylphenyl)benzamide structure

4-Bromo-N-(2-chloro-4-methylphenyl)benzamide

CAS: 1004185-21-0

In Stock97%+

2-(4-Oxo-4,5-dihydro-1H-pyrrolo[3,2-d]pyrimidin-7-yl)acetonitrile structure

2-(4-Oxo-4,5-dihydro-1H-pyrrolo[3,2-d]pyrimidin-7-yl)acetonitrile

CAS: 100419-81-6

In Stock97%+

1-((4-Ethylphenoxy)methyl)-1h-pyrazol-4-amine structure

1-((4-Ethylphenoxy)methyl)-1h-pyrazol-4-amine

CAS: 1004192-76-0

In Stock97%+

1-[(2,4-dichlorophenoxy)methyl]-3,5-dimethyl-1h-pyrazol-4-amine structure

1-[(2,4-dichlorophenoxy)methyl]-3,5-dimethyl-1h-pyrazol-4-amine

CAS: 1004192-78-2

In Stock97%+

4-Bromo-1-(2-chlorobenzyl)-3-isothiocyanato-1h-pyrazole structure

4-Bromo-1-(2-chlorobenzyl)-3-isothiocyanato-1h-pyrazole

CAS: 1004192-79-3

In Stock97%+

1-((4-Chloro-3,5-dimethylphenoxy)methyl)-3,5-dimethyl-1h-pyrazol-4-amine structure

1-((4-Chloro-3,5-dimethylphenoxy)methyl)-3,5-dimethyl-1h-pyrazol-4-amine

CAS: 1004192-81-7

In Stock97%+

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

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

CAS: 1004192-82-8

In Stock97%+

2-(5-Methyl-3-nitro-1H-pyrazol-1-yl)ethan-1-amine structure

2-(5-Methyl-3-nitro-1H-pyrazol-1-yl)ethan-1-amine

CAS: 1004192-84-0

In Stock97%+

1-((3,5-Dimethyl-1H-pyrazol-1-yl)methyl)-3,5-dimethyl-1H-pyrazol-4-amine structure

1-((3,5-Dimethyl-1H-pyrazol-1-yl)methyl)-3,5-dimethyl-1H-pyrazol-4-amine

CAS: 1004192-85-1

In Stock97%+

1-((3,5-Dimethyl-1H-pyrazol-1-yl)methyl)-1H-pyrazole-3-carboxylic acid structure

1-((3,5-Dimethyl-1H-pyrazol-1-yl)methyl)-1H-pyrazole-3-carboxylic acid

CAS: 1004192-86-2

In Stock97%+

1-[(4-chloro-3,5-dimethyl-1h-pyrazol-1-yl)methyl]-1h-pyrazole-3-carboxylic acid structure

1-[(4-chloro-3,5-dimethyl-1h-pyrazol-1-yl)methyl]-1h-pyrazole-3-carboxylic acid

CAS: 1004192-90-8

In Stock97%+

1-((1h-Pyrazol-1-yl)methyl)-1h-pyrazole-3-carbohydrazide structure

1-((1h-Pyrazol-1-yl)methyl)-1h-pyrazole-3-carbohydrazide

CAS: 1004192-91-9

In Stock97%+

1-((3,5-Dimethyl-1h-pyrazol-1-yl)methyl)-1h-pyrazole-3-carbohydrazide structure

1-((3,5-Dimethyl-1h-pyrazol-1-yl)methyl)-1h-pyrazole-3-carbohydrazide

CAS: 1004192-92-0

In Stock97%+

1-((4-Chloro-3,5-dimethyl-1h-pyrazol-1-yl)methyl)-1h-pyrazole-3-carbohydrazide structure

1-((4-Chloro-3,5-dimethyl-1h-pyrazol-1-yl)methyl)-1h-pyrazole-3-carbohydrazide

CAS: 1004192-93-1

In Stock97%+

2-(4-Chloro-1h-pyrazol-1-yl)-2-methylpropanoic acid structure

2-(4-Chloro-1h-pyrazol-1-yl)-2-methylpropanoic acid

CAS: 1004192-94-2

In Stock97%+

1-((2,6-Dichlorophenoxy)methyl)-1h-pyrazole-3-carboxylic acid structure

1-((2,6-Dichlorophenoxy)methyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-00-3

In Stock97%+

1-((2,3-Dichlorophenoxy)methyl)-1h-pyrazole-3-carboxylic acid structure

1-((2,3-Dichlorophenoxy)methyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-01-4

In Stock97%+

1-((2,4-Dichlorophenoxy)methyl)-1h-pyrazole-3-carboxylic acid structure

1-((2,4-Dichlorophenoxy)methyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-04-7

In Stock97%+

1-((3-(Trifluoromethyl)phenoxy)methyl)-1H-pyrazole-3-carboxylic acid structure

1-((3-(Trifluoromethyl)phenoxy)methyl)-1H-pyrazole-3-carboxylic acid

CAS: 1004193-05-8

In Stock97%+

1-((4-Chloro-3,5-dimethylphenoxy)methyl)-1h-pyrazole-3-carboxylic acid structure

1-((4-Chloro-3,5-dimethylphenoxy)methyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-06-9

In Stock97%+

1-((3-Chloro-4-fluorophenoxy)methyl)-1h-pyrazole-3-carboxylic acid structure

1-((3-Chloro-4-fluorophenoxy)methyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-08-1

In Stock97%+

1-((4-Chloro-2-methylphenoxy)methyl)-1h-pyrazole-3-carboxylic acid structure

1-((4-Chloro-2-methylphenoxy)methyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-09-2

In Stock97%+

1-(2-Chloro-5-methylphenoxymethyl)-1h-pyrazole-3-carboxylic acid structure

1-(2-Chloro-5-methylphenoxymethyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-11-6

In Stock97%+

1-((4-Isopropylphenoxy)methyl)-1H-pyrazole-3-carboxylic acid structure

1-((4-Isopropylphenoxy)methyl)-1H-pyrazole-3-carboxylic acid

CAS: 1004193-15-0

In Stock97%+

1-(3-Chlorophenoxymethyl)-1h-pyrazole-3-carboxylic acid structure

1-(3-Chlorophenoxymethyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-19-4

In Stock97%+

1-(3,5-Dimethylphenoxymethyl)-1h-pyrazole-3-carboxylic acid structure

1-(3,5-Dimethylphenoxymethyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-21-8

In Stock97%+

1-((2,5-Dimethylphenoxy)methyl)-1h-pyrazole-3-carboxylic acid structure

1-((2,5-Dimethylphenoxy)methyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-23-0

In Stock97%+

1-(2,4-Dimethylphenoxymethyl)-1h-pyrazole-3-carboxylic acid structure

1-(2,4-Dimethylphenoxymethyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-25-2

In Stock97%+

1-(4-Fluorophenoxymethyl)-1h-pyrazole-3-carboxylic acid structure

1-(4-Fluorophenoxymethyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-27-4

In Stock97%+

1-((2-Chloro-4-nitrophenoxy)methyl)-1h-pyrazole-3-carboxylic acid structure

1-((2-Chloro-4-nitrophenoxy)methyl)-1h-pyrazole-3-carboxylic acid

CAS: 1004193-30-9

In Stock97%+

3-Isothiocyanato-1-(2-methyl-benzyl)-1h-pyrazole structure

3-Isothiocyanato-1-(2-methyl-benzyl)-1h-pyrazole

CAS: 1004193-32-1

In Stock97%+

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

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

CAS: 1004193-33-2

In Stock97%+

1-(2,6-Dichlorobenzyl)-3-isothiocyanato-1h-pyrazole structure

1-(2,6-Dichlorobenzyl)-3-isothiocyanato-1h-pyrazole

CAS: 1004193-34-3

In Stock97%+

1-(3-Chlorobenzyl)-4-isothiocyanato-1h-pyrazole structure

1-(3-Chlorobenzyl)-4-isothiocyanato-1h-pyrazole

CAS: 1004193-35-4

In Stock97%+

1-(3,4-Dichloro-benzyl)-4-isothiocyanato-1h-pyrazole structure

1-(3,4-Dichloro-benzyl)-4-isothiocyanato-1h-pyrazole

CAS: 1004193-36-5

In Stock97%+

1-(2-Chloro-4-fluoro-benzyl)-4-isothiocyanato-3,5-dimethyl-1h-pyrazole structure

1-(2-Chloro-4-fluoro-benzyl)-4-isothiocyanato-3,5-dimethyl-1h-pyrazole

CAS: 1004193-38-7

In Stock97%+

4-Isothiocyanato-3,5-dimethyl-1-(3-methyl-benzyl)-1h-pyrazole structure

4-Isothiocyanato-3,5-dimethyl-1-(3-methyl-benzyl)-1h-pyrazole

CAS: 1004193-39-8

In Stock97%+

1-(2-Fluoro-benzyl)-4-isothiocyanato-3,5-dimethyl-1h-pyrazole structure

1-(2-Fluoro-benzyl)-4-isothiocyanato-3,5-dimethyl-1h-pyrazole

CAS: 1004193-40-1

In Stock97%+

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

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

CAS: 1004193-41-2

In Stock97%+

1-(2,4-Dichloro-benzyl)-4-isothiocyanato-3,5-dimethyl-1h-pyrazole structure

1-(2,4-Dichloro-benzyl)-4-isothiocyanato-3,5-dimethyl-1h-pyrazole

CAS: 1004193-43-4

In Stock97%+

4-Isothiocyanato-1-(4-methyl-benzyl)-1h-pyrazole structure

4-Isothiocyanato-1-(4-methyl-benzyl)-1h-pyrazole

CAS: 1004193-45-6

In Stock97%+

1-(4-Bromo-benzyl)-4-isothiocyanato-1h-pyrazole structure

1-(4-Bromo-benzyl)-4-isothiocyanato-1h-pyrazole

CAS: 1004193-49-0

In Stock97%+

1-(2-Chloro-benzyl)-4-isothiocyanato-1h-pyrazole structure

1-(2-Chloro-benzyl)-4-isothiocyanato-1h-pyrazole

CAS: 1004193-50-3

In Stock97%+

4-Isothiocyanato-1-(3-methyl-benzyl)-1h-pyrazole structure

4-Isothiocyanato-1-(3-methyl-benzyl)-1h-pyrazole

CAS: 1004193-51-4

In Stock97%+

1-Benzyl-4-isothiocyanato-1h-pyrazole structure

1-Benzyl-4-isothiocyanato-1h-pyrazole

CAS: 1004193-53-6

In Stock97%+

1-(2,6-Dichlorobenzyl)-4-isothiocyanato-1h-pyrazole structure

1-(2,6-Dichlorobenzyl)-4-isothiocyanato-1h-pyrazole

CAS: 1004193-55-8

In Stock97%+

4-Isothiocyanato-3,5-dimethyl-1-(4-methyl-benzyl)-1h-pyrazole structure

4-Isothiocyanato-3,5-dimethyl-1-(4-methyl-benzyl)-1h-pyrazole

CAS: 1004193-56-9

In Stock97%+

1-(2,4-Dichlorobenzyl)-4-isothiocyanato-1h-pyrazole structure

1-(2,4-Dichlorobenzyl)-4-isothiocyanato-1h-pyrazole

CAS: 1004193-57-0

In Stock97%+

« Prev 1…37 38 39 40 41…100 Next »