CATO Standards
Contact Us +86 138 2978 8188
Home / Products / Pharmaceutical Reference Standards
Product Category

Pharmaceutical Reference Standards

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

6-Bromo-4-chloro-2-(methylsulfanyl)quinazoline structure

6-Bromo-4-chloro-2-(methylsulfanyl)quinazoline

CAS: 1003043-76-2

In Stock97%+

N,5-Dimethyloxazole-4-carboxamide structure

N,5-Dimethyloxazole-4-carboxamide

CAS: 1003044-01-6

In Stock97%+

9-(Hydroxymethyl)-9H-fluorene-2-carboxylic acid structure

9-(Hydroxymethyl)-9H-fluorene-2-carboxylic acid

CAS: 1003046-00-1

In Stock97%+

7-(Trifluoromethyl)-2,3-dihydro-1H-inden-1-one structure

7-(Trifluoromethyl)-2,3-dihydro-1H-inden-1-one

CAS: 1003048-68-7

In Stock97%+

2-Bromo-5-fluorobenzenepropanoic acid structure

2-Bromo-5-fluorobenzenepropanoic acid

CAS: 1003048-71-2

In Stock97%+

4-Bromo-7-fluoro-2,3-dihydro-1-indanone structure

4-Bromo-7-fluoro-2,3-dihydro-1-indanone

CAS: 1003048-72-3

In Stock97%+

7-Bromo-5-methoxy-2,3-dihydro-1H-inden-1-one structure

7-Bromo-5-methoxy-2,3-dihydro-1H-inden-1-one

CAS: 1003048-74-5

In Stock97%+

1,3,5-Triazine-2-carbaldehyde structure

1,3,5-Triazine-2-carbaldehyde

CAS: 100305-90-6

In Stock97%+

5-Chloro-1,2,3-thiadiazole-4-carbaldehyde structure

5-Chloro-1,2,3-thiadiazole-4-carbaldehyde

CAS: 100305-91-7

In Stock97%+

5-(trifluoromethyl)-1,3,4-oxadiazole-2-carbaldehyde structure

5-(trifluoromethyl)-1,3,4-oxadiazole-2-carbaldehyde

CAS: 100305-92-8

In Stock97%+

1-(propan-2-yl)-1H-pyrazole-5-carbaldehyde structure

1-(propan-2-yl)-1H-pyrazole-5-carbaldehyde

CAS: 100305-93-9

In Stock97%+

2-Methyl-6-(methylsulfanyl)aniline structure

2-Methyl-6-(methylsulfanyl)aniline

CAS: 100305-95-1

In Stock97%+

N-((5-Methylisoxazol-3-yl)methylene)but-3-yn-2-amine structure

N-((5-Methylisoxazol-3-yl)methylene)but-3-yn-2-amine

CAS: 100306-15-8

In Stock97%+

(S)-2-Bromo-1-(naphthalen-2-yl)ethan-1-ol structure

(S)-2-Bromo-1-(naphthalen-2-yl)ethan-1-ol

CAS: 100306-23-8

In Stock97%+

(S)-2-bromo-1-(4-bromophenyl)ethan-1-ol structure

(S)-2-bromo-1-(4-bromophenyl)ethan-1-ol

CAS: 100306-24-9

In Stock97%+

(R)-2-Bromo-1-(3-methoxyphenyl)ethan-1-ol structure

(R)-2-Bromo-1-(3-methoxyphenyl)ethan-1-ol

CAS: 100306-27-2

In Stock97%+

2,4,6-Trimethylbenzene-1,3,5-triamine hydrochloride structure

2,4,6-Trimethylbenzene-1,3,5-triamine hydrochloride

CAS: 100306-38-5

In Stock97%+

4-Benzylamino-3-nitropyridine structure

4-Benzylamino-3-nitropyridine

CAS: 100306-70-5

In Stock97%+

5-((Benzyloxy)carbonyl)-4,5,6,7-tetrahydro-3H-imidazo[4,5-c]pyridine-6-carboxylic acid structure

5-((Benzyloxy)carbonyl)-4,5,6,7-tetrahydro-3H-imidazo[4,5-c]pyridine-6-carboxylic acid

CAS: 100307-49-1

In Stock97%+

4-Bromo-N-(4-bromophenyl)-N-(p-tolyl)aniline structure

4-Bromo-N-(4-bromophenyl)-N-(p-tolyl)aniline

CAS: 100308-67-6

In Stock97%+

4-Bromo-N-(4-bromophenyl)-N-(4-methoxyphenyl)aniline structure

4-Bromo-N-(4-bromophenyl)-N-(4-methoxyphenyl)aniline

CAS: 100308-69-8

In Stock97%+

Manganese(II) bromide tetrahydrate structure

Manganese(II) bromide tetrahydrate

CAS: 10031-20-6

In Stock97%+

Lead(II) Bromide structure

Lead(II) Bromide

CAS: 10031-22-8

In Stock97%+

Tin(II) bromide structure

Tin(II) bromide

CAS: 10031-24-0

In Stock97%+

Iron(III) bromide structure

Iron(III) bromide

CAS: 10031-26-2

In Stock97%+

Tellurium(IV) bromide (99.9%-Te) structure

Tellurium(IV) bromide (99.9%-Te)

CAS: 10031-27-3

In Stock97%+

superphosphate monohydrate structure

superphosphate monohydrate

CAS: 10031-30-8

In Stock97%+

Calcium iodate monohydrate structure

Calcium iodate monohydrate

CAS: 10031-32-0

In Stock97%+

Chromium sulfate structure

Chromium sulfate

CAS: 10031-37-5

In Stock97%+

Copper nitrate trihydrate structure

Copper nitrate trihydrate

CAS: 10031-43-3

In Stock97%+

Dysprosium(III) Nitrate Pentahydrate structure

Dysprosium(III) Nitrate Pentahydrate

CAS: 10031-49-9

In Stock97%+

Dysprosium(III) sulfate octahydrate structure

Dysprosium(III) sulfate octahydrate

CAS: 10031-50-2

In Stock97%+

Erbium(III) nitrate pentahydrate structure

Erbium(III) nitrate pentahydrate

CAS: 10031-51-3

In Stock97%+

Erbium sulfate hydrate, 99.90% structure

Erbium sulfate hydrate, 99.90%

CAS: 10031-52-4

In Stock97%+

Europium(III) Nitrate Hexahydrate structure

Europium(III) Nitrate Hexahydrate

CAS: 10031-53-5

In Stock97%+

Europium(II) sulfate,99.99% structure

Europium(II) sulfate,99.99%

CAS: 10031-54-6

In Stock97%+

5-Ethyl-2-methyl-1-(5,5,7,7-tetramethyloctan-2-yl)pyridin-1-ium chloride structure

5-Ethyl-2-methyl-1-(5,5,7,7-tetramethyloctan-2-yl)pyridin-1-ium chloride

CAS: 10031-58-0

In Stock97%+

Phenyl ethyl dimethyl carbinyl isobutyrate structure

Phenyl ethyl dimethyl carbinyl isobutyrate

CAS: 10031-71-7

In Stock97%+

1-Phenylpropyl butyrate structure

1-Phenylpropyl butyrate

CAS: 10031-86-4

In Stock97%+

Ethyl 3-(furan-2-yl)propionate structure

Ethyl 3-(furan-2-yl)propionate

CAS: 10031-90-0

In Stock97%+

Ethyl non-2-ynoate structure

Ethyl non-2-ynoate

CAS: 10031-92-2

In Stock97%+

4-Allyl-2-methoxyphenyl formate structure

4-Allyl-2-methoxyphenyl formate

CAS: 10031-96-6

In Stock97%+

3-(Piperidin-1-yl)propyl 2-butoxy-4-(butylamino)benzoate structure

3-(Piperidin-1-yl)propyl 2-butoxy-4-(butylamino)benzoate

CAS: 100311-20-4

In Stock97%+

1-(2-Nitrophenyl)ethan-1-amine structure

1-(2-Nitrophenyl)ethan-1-amine

CAS: 100311-54-4

In Stock97%+

2-Chloro-N-(2,5-dimethoxy-4-nitrobenzyl)acetamide structure

2-Chloro-N-(2,5-dimethoxy-4-nitrobenzyl)acetamide

CAS: 1003114-57-5

In Stock97%+

5,6-Dihydro-2H-pyran-3-carboxylic acid structure

5,6-Dihydro-2H-pyran-3-carboxylic acid

CAS: 100313-48-2

In Stock97%+

Methyl 2-chloro-3-cyano-6-methyl-5-nitroisonicotinate structure

Methyl 2-chloro-3-cyano-6-methyl-5-nitroisonicotinate

CAS: 100313-76-6

In Stock97%+

3-Amino-4-chloro-N,N-dimethylbenzene-1-sulfonamide structure

3-Amino-4-chloro-N,N-dimethylbenzene-1-sulfonamide

CAS: 100313-81-3

In Stock97%+

2-Chloro-1-ethynylcyclohexan-1-ol structure

2-Chloro-1-ethynylcyclohexan-1-ol

CAS: 100313-83-5

In Stock97%+

Methyl 2-cyano-1,2-dimethylcyclopropanecarboxylate structure

Methyl 2-cyano-1,2-dimethylcyclopropanecarboxylate

CAS: 100313-90-4

In Stock97%+

N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)hexanamide structure

N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)hexanamide

CAS: 100314-00-9

In Stock97%+

(2E)-2-(2-Ethylbutylidene)cyclohexan-1-one structure

(2E)-2-(2-Ethylbutylidene)cyclohexan-1-one

CAS: 100314-27-0

In Stock97%+

4-(Cyclopropanecarboxamido)-N-isopropylbenzamide structure

4-(Cyclopropanecarboxamido)-N-isopropylbenzamide

CAS: 1003148-65-9

In Stock97%+

4-{3-[(4-Methyl-1-piperazinyl)carbonyl]anilino}-4-oxobutanoic acid structure

4-{3-[(4-Methyl-1-piperazinyl)carbonyl]anilino}-4-oxobutanoic acid

CAS: 1003151-98-1

In Stock97%+

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

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

CAS: 1003159-68-9

In Stock97%+

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

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

CAS: 1003159-87-2

In Stock97%+

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

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

CAS: 1003159-88-3

In Stock97%+

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

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

CAS: 1003159-94-1

In Stock97%+

1-Methyl-4-phenylpiperidin-4-amine structure

1-Methyl-4-phenylpiperidin-4-amine

CAS: 100316-65-2

In Stock97%+

2-Amino-N-isopropyl-3-phenyl-DL-propanamide structure

2-Amino-N-isopropyl-3-phenyl-DL-propanamide

CAS: 100316-78-7

In Stock97%+

N-(5-(4-Aminophenoxy)pentyl)formamide structure

N-(5-(4-Aminophenoxy)pentyl)formamide

CAS: 100317-01-9

In Stock97%+

5-Isobutyl-5-methyl-1,3-divinylimidazolidine-2,4-dione structure

5-Isobutyl-5-methyl-1,3-divinylimidazolidine-2,4-dione

CAS: 100317-08-6

In Stock97%+

1-Ethyl-4-(phenylsulfonyl)piperazine structure

1-Ethyl-4-(phenylsulfonyl)piperazine

CAS: 100317-19-9

In Stock97%+

2-Methyl-5-(piperidine-1-sulfonyl)-phenylamine structure

2-Methyl-5-(piperidine-1-sulfonyl)-phenylamine

CAS: 100317-20-2

In Stock97%+

N-Benzylpiperidine-1-sulfonamide structure

N-Benzylpiperidine-1-sulfonamide

CAS: 100317-21-3

In Stock97%+

5-ethyl-1-(2-methylphenyl)-1H-pyrazole-4-carboxylic acid structure

5-ethyl-1-(2-methylphenyl)-1H-pyrazole-4-carboxylic acid

CAS: 1003177-35-2

In Stock97%+

2-(2-Isopropyl-1H-benzo[d]imidazol-1-yl)ethan-1-amine structure

2-(2-Isopropyl-1H-benzo[d]imidazol-1-yl)ethan-1-amine

CAS: 100318-11-4

In Stock97%+

2-[(4-Butoxyphenyl)methylene]hydrazinecarbothioamide structure

2-[(4-Butoxyphenyl)methylene]hydrazinecarbothioamide

CAS: 100318-30-7

In Stock97%+

N-(4-(Piperazin-1-ylsulfonyl)phenyl)acetamide structure

N-(4-(Piperazin-1-ylsulfonyl)phenyl)acetamide

CAS: 100318-71-6

In Stock97%+

ethyl 2-(methylthio)-4-morpholinopyrimidine-5-carboxylate structure

ethyl 2-(methylthio)-4-morpholinopyrimidine-5-carboxylate

CAS: 100318-76-1

In Stock97%+

N-(2-Bromophenyl)-2-((2-methylquinazolin-4-yl)oxy)acetamide structure

N-(2-Bromophenyl)-2-((2-methylquinazolin-4-yl)oxy)acetamide

CAS: 1003182-72-6

In Stock97%+

Geranyl caproate structure

Geranyl caproate

CAS: 10032-02-7

In Stock97%+

1,1-Dimethoxyheptane structure

1,1-Dimethoxyheptane

CAS: 10032-05-0

In Stock97%+

Heptyl cinnamate structure

Heptyl cinnamate

CAS: 10032-08-3

In Stock97%+

Hex-3-en-1-yl 3-methylbutanoate structure

Hex-3-en-1-yl 3-methylbutanoate

CAS: 10032-11-8

In Stock97%+

Hexyl 3-methylbutanoate structure

Hexyl 3-methylbutanoate

CAS: 10032-13-0

In Stock>95%

tert-Butyl 2-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-3-yl)acetate structure

tert-Butyl 2-(4-oxo-4,5,6,7-tetrahydro-3H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-3-yl)acetate

CAS: 1003209-11-7

In Stock97%+

N-(4-(5,6-Diphenyl-1,2,4-triazin-3-yl)phenyl)acetamide structure

N-(4-(5,6-Diphenyl-1,2,4-triazin-3-yl)phenyl)acetamide

CAS: 100321-96-8

In Stock97%+

4'-Ethoxy-2',3'-difluoro-4-propyl-2,3,4,5-tetrahydro-1,1'-biphenyl structure

4'-Ethoxy-2',3'-difluoro-4-propyl-2,3,4,5-tetrahydro-1,1'-biphenyl

CAS: 1003218-25-4

In Stock97%+

(2R,3S,4R,5R)-5-azido-2-((benzoyloxy)methyl)-6-hydroxytetrahydro-2H-pyran-3,4-diyl dibenzoate structure

(2R,3S,4R,5R)-5-azido-2-((benzoyloxy)methyl)-6-hydroxytetrahydro-2H-pyran-3,4-diyl dibenzoate

CAS: 1003221-97-3

In Stock97%+

4-Bromo-N-(3-fluoro-4-methylphenyl)benzamide structure

4-Bromo-N-(3-fluoro-4-methylphenyl)benzamide

CAS: 1003237-68-0

In Stock97%+

31-HydroxyrifabutinDISCONTINUED structure

31-HydroxyrifabutinDISCONTINUED

CAS: 100324-64-9

In Stock97%+

(S)-Lisofylline structure

(S)-Lisofylline

CAS: 100324-80-9

In Stock97%+

(R)-Lisofylline structure

(R)-Lisofylline

CAS: 100324-81-0

In Stock97%+

1-Ethyl-6,8-difluoro-4-oxo-7-(pyridin-4-yl)-1,4-dihydroquinoline-3-carboxylic acid structure

1-Ethyl-6,8-difluoro-4-oxo-7-(pyridin-4-yl)-1,4-dihydroquinoline-3-carboxylic acid

CAS: 100325-51-7

In Stock97%+

2,4-Difluoro-3-(pyridin-4-yl)aniline structure

2,4-Difluoro-3-(pyridin-4-yl)aniline

CAS: 100325-60-8

In Stock97%+

4-Hydroxy-2,2,6,6-tetramethylpiperidine-d17-1-oxyl structure

4-Hydroxy-2,2,6,6-tetramethylpiperidine-d17-1-oxyl

CAS: 100326-46-3

In Stock97%+

5-Aminoisothiazole-3,4-dicarbonitrile structure

5-Aminoisothiazole-3,4-dicarbonitrile

CAS: 100326-56-5

In Stock97%+

1-(4-Aminobut-1-yl)-1H-1,2,4-triazole dihydrochloride structure

1-(4-Aminobut-1-yl)-1H-1,2,4-triazole dihydrochloride

CAS: 100327-49-9

In Stock97%+

5-(1h-1,2,4-Triazol-1-yl)pentan-1-amine structure

5-(1h-1,2,4-Triazol-1-yl)pentan-1-amine

CAS: 100327-52-4

In Stock97%+

1-Chloromethyl-1H-pyrazole-3-carboxylic acid methyl ester 1-chloromethyl-1 h-pyrazole-3-carboxylic acid methyl ester 1-chloromethyl-1h-pyrazole-3-carboxylic acidmethyl ester 1003293-40-0 structure

1-Chloromethyl-1H-pyrazole-3-carboxylic acid methyl ester 1-chloromethyl-1 h-pyrazole-3-carboxylic acid methyl ester 1-chloromethyl-1h-pyrazole-3-carboxylic acidmethyl ester 1003293-40-0

CAS: 1003293-40-0

In Stock97%+

2,4-Bis(bromomethyl)pyridine structure

2,4-Bis(bromomethyl)pyridine

CAS: 1003294-47-0

In Stock97%+

(3-Chloro-5-fluoro-4-hydroxyphenyl)boronic acid structure

(3-Chloro-5-fluoro-4-hydroxyphenyl)boronic acid

CAS: 1003298-72-3

In Stock97%+

4-Cyano-3,5-difluorophenylboronic Acid Pinacol Ester structure

4-Cyano-3,5-difluorophenylboronic Acid Pinacol Ester

CAS: 1003298-73-4

In Stock97%+

5-Bromo-3-fluoro-2-(phenylmethoxy)benzaldehyde, structure

5-Bromo-3-fluoro-2-(phenylmethoxy)benzaldehyde,

CAS: 1003298-75-6

In Stock97%+

3-bromo-4-chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine structure

3-bromo-4-chloro-1H-pyrazolo[3,4-d]pyrimidin-6-amine

CAS: 1003298-79-0

In Stock97%+

3-Bromo-4-chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-6-amine structure

3-Bromo-4-chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-6-amine

CAS: 1003298-80-3

In Stock97%+

(5-(Trifluoromethyl)pyridin-3-yl)boronic acid hydrochloride structure

(5-(Trifluoromethyl)pyridin-3-yl)boronic acid hydrochloride

CAS: 1003298-83-6

In Stock97%+

2-Chloro-6-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol structure

2-Chloro-6-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol

CAS: 1003298-84-7

In Stock97%+

(4-(Benzyloxy)-3,5-dichlorophenyl)boronic acid structure

(4-(Benzyloxy)-3,5-dichlorophenyl)boronic acid

CAS: 1003298-85-8

In Stock97%+

« Prev1…3132333435…100Next »