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.

2-(phenylsulfonyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid structure

2-(phenylsulfonyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid

CAS: 1009266-12-9

In Stock97%+

2-(Adamantane-1-carboxamido)butanoic acid structure

2-(Adamantane-1-carboxamido)butanoic acid

CAS: 1009266-16-3

In Stock97%+

N-(1-Cyanocyclohexyl)-2-((4-ethoxyphenyl)amino)propanamide structure

N-(1-Cyanocyclohexyl)-2-((4-ethoxyphenyl)amino)propanamide

CAS: 1009269-51-5

In Stock97%+

7A-(4-fluorophenyl)-5-oxohexahydropyrrolo[2,1-b]thiazole-3-carboxylic acid structure

7A-(4-fluorophenyl)-5-oxohexahydropyrrolo[2,1-b]thiazole-3-carboxylic acid

CAS: 1009269-94-6

In Stock97%+

4-(Benzyloxy)-3-methylphenol structure

4-(Benzyloxy)-3-methylphenol

CAS: 100927-02-4

In Stock97%+

(R)-2-(Boc-amino)propanenitrile structure

(R)-2-(Boc-amino)propanenitrile

CAS: 100927-09-1

In Stock97%+

(R)-1-Aminopropan-2-ylcarbamic Acid tert-Buty Ester structure

(R)-1-Aminopropan-2-ylcarbamic Acid tert-Buty Ester

CAS: 100927-10-4

In Stock97%+

2-[4-chloro-3-(trifluoromethyl)benzenesulfonamido]-3-(1h-indol-3-yl)propanoic acid structure

2-[4-chloro-3-(trifluoromethyl)benzenesulfonamido]-3-(1h-indol-3-yl)propanoic acid

CAS: 1009272-85-8

In Stock97%+

3-(3-Methoxypropyl)-5-(propan-2-yl)-2-sulfanylideneimidazolidin-4-one structure

3-(3-Methoxypropyl)-5-(propan-2-yl)-2-sulfanylideneimidazolidin-4-one

CAS: 1009273-57-7

In Stock97%+

Naphtho[1,8-ef]-1,4-diazepine-2-acetamide, 1,2,3,4-tetrahydro-3-oxo- structure

Naphtho[1,8-ef]-1,4-diazepine-2-acetamide, 1,2,3,4-tetrahydro-3-oxo-

CAS: 1009278-40-3

In Stock97%+

Lythgoe diol 4-TBDMS ether structure

Lythgoe diol 4-TBDMS ether

CAS: 100928-03-8

In Stock97%+

Toluene-4-sulfonic acid 2-[4-(tert-butyl-dimethyl-silanyloxy)- 7a-methyl-octahydro-inden-1-yl]-propyl ester structure

Toluene-4-sulfonic acid 2-[4-(tert-butyl-dimethyl-silanyloxy)- 7a-methyl-octahydro-inden-1-yl]-propyl ester

CAS: 100928-04-9

In Stock97%+

Dichloro(η6-p-cymene)ruthenium structure

Dichloro(η6-p-cymene)ruthenium

CAS: 100928-22-1

In Stock97%+

((2,3,5,6-Tetramethylphenyl)sulfonyl)proline structure

((2,3,5,6-Tetramethylphenyl)sulfonyl)proline

CAS: 1009282-06-7

In Stock97%+

1-(Pyrimidin-2-yl)pyrrolidine-2-carboxylic acid structure

1-(Pyrimidin-2-yl)pyrrolidine-2-carboxylic acid

CAS: 1009282-26-1

In Stock97%+

5-(4-methylbenzyl)-6a,7,8,9-tetrahydropyrido[3,2-e]pyrrolo[1,2-a]pyrazin-6(5H)-one structure

5-(4-methylbenzyl)-6a,7,8,9-tetrahydropyrido[3,2-e]pyrrolo[1,2-a]pyrazin-6(5H)-one

CAS: 1009282-30-7

In Stock97%+

1009286-34-3 2-[(4-methyl-2,6-dinitrophenyl)amino]-2-phenylacetic acid MS-2121 structure

1009286-34-3 2-[(4-methyl-2,6-dinitrophenyl)amino]-2-phenylacetic acid MS-2121

CAS: 1009286-34-3

In Stock97%+

Methyl 3-amino-3-(2-methoxyphenyl)propanoate structure

Methyl 3-amino-3-(2-methoxyphenyl)propanoate

CAS: 1009289-77-3

In Stock97%+

(R)-2-Amino-2-(4-methoxyphenyl)ethanol structure

(R)-2-Amino-2-(4-methoxyphenyl)ethanol

CAS: 100929-33-7

In Stock97%+

4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt structure

4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt

CAS: 100929-45-1

In Stock97%+

2-Amino-1,3-propanediolhydrochloride structure

2-Amino-1,3-propanediolhydrochloride

CAS: 100929-48-4

In Stock97%+

Naphthol AS-GR phosphate disodium salt structure

Naphthol AS-GR phosphate disodium salt

CAS: 100929-51-9

In Stock97%+

Reduced beta-nicotinamide adenine dinucleotide tetracyclohexyl ammonium phosphate salt structure

Reduced beta-nicotinamide adenine dinucleotide tetracyclohexyl ammonium phosphate salt

CAS: 100929-71-3

In Stock97%+

H-Gly-Pro-Leu-bNA . HCl (K-1340.0250) structure

H-Gly-Pro-Leu-bNA . HCl (K-1340.0250)

CAS: 100929-83-7

In Stock97%+

1-Naphthyl Phosphate Potassium Salt structure

1-Naphthyl Phosphate Potassium Salt

CAS: 100929-85-9

In Stock97%+

2-(5-Hydroxy-1H-indol-3-yl)acetonitrile structure

2-(5-Hydroxy-1H-indol-3-yl)acetonitrile

CAS: 100929-86-0

In Stock97%+

Gly-Pro 4-methoxy-β-naphthylamide (hydrochloride) structure

Gly-Pro 4-methoxy-β-naphthylamide (hydrochloride)

CAS: 100929-90-6

In Stock97%+

3-[2,4-bis[(3S)-3-methylmorpholin-4-yl]pyrido[2,3-d]pyrimidin-7-yl]benzoicacid structure

3-[2,4-bis[(3S)-3-methylmorpholin-4-yl]pyrido[2,3-d]pyrimidin-7-yl]benzoicacid

CAS: 1009298-69-4

In Stock97%+

20-Oxo-20-deoxyphorbol 12,13-dibutyrate structure

20-Oxo-20-deoxyphorbol 12,13-dibutyrate

CAS: 100930-03-8

In Stock97%+

d-MSH (H-4405.0001) structure

d-MSH (H-4405.0001)

CAS: 100930-04-9

In Stock97%+

Potassium 2,2'-((2-((8-((carboxylatomethyl)(carboxymethyl)amino)-6-methoxyquinolin-2-yl)methoxy)-5-methylphenyl)azanediyl)diacetate structure

Potassium 2,2'-((2-((8-((carboxylatomethyl)(carboxymethyl)amino)-6-methoxyquinolin-2-yl)methoxy)-5-methylphenyl)azanediyl)diacetate

CAS: 100930-10-7

In Stock97%+

Suberyl Dicholine structure

Suberyl Dicholine

CAS: 100930-12-9

In Stock97%+

(S)-4-(2,7-dichloropyrido[2,3-d]pyrimidin-4-yl)-3-methylmorpholine structure

(S)-4-(2,7-dichloropyrido[2,3-d]pyrimidin-4-yl)-3-methylmorpholine

CAS: 1009303-42-7

In Stock97%+

7-Chloro-4-((S)-3-methylmorpholin-4-yl)-2-((S)-3-methylmorpholin-4-yl)pyrido[2,3-d]pyrimidine structure

7-Chloro-4-((S)-3-methylmorpholin-4-yl)-2-((S)-3-methylmorpholin-4-yl)pyrido[2,3-d]pyrimidine

CAS: 1009303-44-9

In Stock97%+

1009303-56-3 4-Fluoro-3-(tetrazol-5-yl)phenylboronic acid C7H6BFN4O2 Z6327 structure

1009303-56-3 4-Fluoro-3-(tetrazol-5-yl)phenylboronic acid C7H6BFN4O2 Z6327

CAS: 1009303-56-3

In Stock97%+

(4-Fluoro-3-(methylsulfonamido)phenyl)boronic acid structure

(4-Fluoro-3-(methylsulfonamido)phenyl)boronic acid

CAS: 1009303-57-4

In Stock97%+

6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)quinazolin-4(3H)-one structure

6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)quinazolin-4(3H)-one

CAS: 1009303-58-5

In Stock97%+

(3-Cyano-4-isopropoxyphenyl)boronic acid structure

(3-Cyano-4-isopropoxyphenyl)boronic acid

CAS: 1009303-59-6

In Stock97%+

7-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phthalazin-1(2H)-one structure

7-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phthalazin-1(2H)-one

CAS: 1009303-60-9

In Stock97%+

5-Bromo-2-(difluoromethoxy)benzamide structure

5-Bromo-2-(difluoromethoxy)benzamide

CAS: 1009303-65-4

In Stock97%+

3-(Hydroxymethyl)-4-methoxyphenylboronic Acid Pinacol Ester structure

3-(Hydroxymethyl)-4-methoxyphenylboronic Acid Pinacol Ester

CAS: 1009303-77-8

In Stock97%+

2-Hydroxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid structure

2-Hydroxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid

CAS: 1009303-78-9

In Stock97%+

7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-quinazolin-4-one structure

7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3H-quinazolin-4-one

CAS: 1009303-80-3

In Stock97%+

(4,4-Dioctyl-4H-cyclopenta[2,1-b:3,4-b']dithiophene-2,6-diyl)bis(tributylstannane) structure

(4,4-Dioctyl-4H-cyclopenta[2,1-b:3,4-b']dithiophene-2,6-diyl)bis(tributylstannane)

CAS: 1009305-80-9

In Stock97%+

Ethyl 2-(chloromethyl)-4-methylquinoline-3-carboxylate hydrochloride structure

Ethyl 2-(chloromethyl)-4-methylquinoline-3-carboxylate hydrochloride

CAS: 1009306-52-8

In Stock97%+

Methyl 2-(chloromethyl)-4-methylquinoline-3-carboxylate hydrochloride structure

Methyl 2-(chloromethyl)-4-methylquinoline-3-carboxylate hydrochloride

CAS: 1009306-53-9

In Stock97%+

3-chloro-2-(chloromethyl)-4-methylquinoline hydrochloride structure

3-chloro-2-(chloromethyl)-4-methylquinoline hydrochloride

CAS: 1009306-54-0

In Stock97%+

Ethyl 2-(chloromethyl)-4-phenylquinoline-3-carboxylate hydrochloride, 97% structure

Ethyl 2-(chloromethyl)-4-phenylquinoline-3-carboxylate hydrochloride, 97%

CAS: 1009306-55-1

In Stock97%+

3-Chloro-2-(chloromethyl)-4-phenylquinoline hydrochloride structure

3-Chloro-2-(chloromethyl)-4-phenylquinoline hydrochloride

CAS: 1009306-56-2

In Stock97%+

4-Chloro-9-methyl-1,2,3,4-tetrahydroacridine hydrochloride structure

4-Chloro-9-methyl-1,2,3,4-tetrahydroacridine hydrochloride

CAS: 1009306-59-5

In Stock97%+

(E)-3-Ethoxy-3-oxo-1-propene-1-boronic Acid Pinacol Ester structure

(E)-3-Ethoxy-3-oxo-1-propene-1-boronic Acid Pinacol Ester

CAS: 1009307-13-4

In Stock97%+

Lapatinib-d7 Ditosylate structure

Lapatinib-d7 Ditosylate

CAS: 1009307-24-7

In Stock97%+

N-(2-Bromoethyl-d4)phthalimide structure

N-(2-Bromoethyl-d4)phthalimide

CAS: 1009307-39-4

In Stock97%+

(R)-2-Palmitamido-3-phenylpropanoic acid structure

(R)-2-Palmitamido-3-phenylpropanoic acid

CAS: 1009313-87-4

In Stock97%+

(4-Amino-1,3-phenylene)dimethanol structure

(4-Amino-1,3-phenylene)dimethanol

CAS: 1009314-88-8

In Stock97%+

7-Amino-3-methyl-3,4-dihydro-1H-benzo[e][1,4]diazepine-2,5-dione structure

7-Amino-3-methyl-3,4-dihydro-1H-benzo[e][1,4]diazepine-2,5-dione

CAS: 1009315-86-9

In Stock97%+

Caulophyllumine A structure

Caulophyllumine A

CAS: 1009318-60-8

In Stock97%+

1-Hexyl-1,4-diazabicyclo[2.2.2]octan-1-ium Iodide structure

1-Hexyl-1,4-diazabicyclo[2.2.2]octan-1-ium Iodide

CAS: 1009321-13-4

In Stock97%+

((4-Chlorophenyl)sulfonyl)histidine structure

((4-Chlorophenyl)sulfonyl)histidine

CAS: 1009325-19-2

In Stock97%+

Benzyl 2-[(1E)-3-(2,6-dimethylmorpholin-4-yl)prop-1-en-1-yl]pyrrolidine-1-carboxylate structure

Benzyl 2-[(1E)-3-(2,6-dimethylmorpholin-4-yl)prop-1-en-1-yl]pyrrolidine-1-carboxylate

CAS: 1009328-59-9

In Stock97%+

2-butyl-5-(4-nitrophenyl)-1,3,4-oxadiazole structure

2-butyl-5-(4-nitrophenyl)-1,3,4-oxadiazole

CAS: 100933-81-1

In Stock97%+

4-(5-butyl-1,3,4-oxadiazol-2-yl)aniline structure

4-(5-butyl-1,3,4-oxadiazol-2-yl)aniline

CAS: 100933-82-2

In Stock97%+

2-((2-Chloropyrimidin-4-yl)amino)-1-phenylethan-1-ol structure

2-((2-Chloropyrimidin-4-yl)amino)-1-phenylethan-1-ol

CAS: 1009330-01-1

In Stock97%+

1009330-05-5 2-Amino-1-(2-iodophenyl)ethan-1-ol--hydrogen chloride (1/1) DTXSID70555193 structure

1009330-05-5 2-Amino-1-(2-iodophenyl)ethan-1-ol--hydrogen chloride (1/1) DTXSID70555193

CAS: 1009330-05-5

In Stock97%+

2-Amino-1-(m-tolyl)ethan-1-ol hydrochloride structure

2-Amino-1-(m-tolyl)ethan-1-ol hydrochloride

CAS: 1009330-42-0

In Stock97%+

2-Amino-1-(pyridin-2-yl)ethan-1-ol hydrochloride structure

2-Amino-1-(pyridin-2-yl)ethan-1-ol hydrochloride

CAS: 1009330-44-2

In Stock97%+

2-(3-Oxo-1,2,3,4-tetrahydroquinoxaline-1-carboxamido)-3-phenylpropanoic Acid structure

2-(3-Oxo-1,2,3,4-tetrahydroquinoxaline-1-carboxamido)-3-phenylpropanoic Acid

CAS: 1009332-12-0

In Stock97%+

Ethyl 7-Bromo-3-hydroxyfuro[3,2-c]pyridine-2-carboxylate structure

Ethyl 7-Bromo-3-hydroxyfuro[3,2-c]pyridine-2-carboxylate

CAS: 1009333-80-5

In Stock97%+

Ethyl 4,5-dibromonicotinate structure

Ethyl 4,5-dibromonicotinate

CAS: 1009333-82-7

In Stock97%+

Ethyl 5-hydroxyfuro[2,3-d]pyrimidine-6-carboxylate structure

Ethyl 5-hydroxyfuro[2,3-d]pyrimidine-6-carboxylate

CAS: 1009333-94-1

In Stock97%+

4,5-dichloropyridine-3-carbaldehyde structure

4,5-dichloropyridine-3-carbaldehyde

CAS: 1009334-04-6

In Stock97%+

4,5-Dichloronicotinonitrile structure

4,5-Dichloronicotinonitrile

CAS: 1009334-06-8

In Stock97%+

4,5-Dibromonicotinic acid structure

4,5-Dibromonicotinic acid

CAS: 1009334-28-4

In Stock97%+

Ethyl 4-chloro-5-fluoronicotinate structure

Ethyl 4-chloro-5-fluoronicotinate

CAS: 1009334-54-6

In Stock97%+

4-Chloro-5-fluoronicotinonitrile structure

4-Chloro-5-fluoronicotinonitrile

CAS: 1009334-65-9

In Stock97%+

2-(2-Hydroxy-2-methylpropoxy)isoindoline-1,3-dione structure

2-(2-Hydroxy-2-methylpropoxy)isoindoline-1,3-dione

CAS: 1009334-87-5

In Stock97%+

(2R,4R)-4-Hydroxy-2-pyrrolidinemethanol HCl structure

(2R,4R)-4-Hydroxy-2-pyrrolidinemethanol HCl

CAS: 1009335-36-7

In Stock97%+

(2R,4R) -Phenyl-4-hydroxy-2-(hydroxymethyl)pyrrolidine-1-carboxylate structure

(2R,4R) -Phenyl-4-hydroxy-2-(hydroxymethyl)pyrrolidine-1-carboxylate

CAS: 1009335-39-0

In Stock97%+

tert-Butyl ((3R,5R)-5-(hydroxymethyl)pyrrolidin-3-yl)carbamate structure

tert-Butyl ((3R,5R)-5-(hydroxymethyl)pyrrolidin-3-yl)carbamate

CAS: 1009335-43-6

In Stock97%+

4-(3,4-Dichlorobenzoyl)-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one structure

4-(3,4-Dichlorobenzoyl)-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one

CAS: 1009335-95-8

In Stock97%+

4-(2-Methyl-3-oxo-1,2,3,4-tetrahydroquinoxaline-1-carbonyl)phenyl acetate structure

4-(2-Methyl-3-oxo-1,2,3,4-tetrahydroquinoxaline-1-carbonyl)phenyl acetate

CAS: 1009336-03-1

In Stock97%+

2,6-Bis[(4S)-4,5-dihydro-4-(1-methylethyl)-2-oxazolyl]-4-(trifluoromethyl)pyridine structure

2,6-Bis[(4S)-4,5-dihydro-4-(1-methylethyl)-2-oxazolyl]-4-(trifluoromethyl)pyridine

CAS: 1009339-23-4

In Stock97%+

N-(3-chloro-4-methylphenyl)-5-oxopyrrolidine-2-carboxamide structure

N-(3-chloro-4-methylphenyl)-5-oxopyrrolidine-2-carboxamide

CAS: 1009340-97-9

In Stock97%+

Ethyl 1-(Dimethylcarbamoyl)piperidine-2-carboxylate structure

Ethyl 1-(Dimethylcarbamoyl)piperidine-2-carboxylate

CAS: 1009341-34-7

In Stock97%+

(1-(Phenylsulfonyl)piperidine-4-carbonyl)valine structure

(1-(Phenylsulfonyl)piperidine-4-carbonyl)valine

CAS: 1009342-65-7

In Stock97%+

3-tosyl-3-azabicyclo[3.1.0]hexane-2-carboxylic acid structure

3-tosyl-3-azabicyclo[3.1.0]hexane-2-carboxylic acid

CAS: 1009343-76-3

In Stock97%+

N-(4-(6-Fluoro-3,4-dihydroisoquinolin-2(1H)-yl)-2,6-dimethylphenyl)-3,3-dimethylbutanamide structure

N-(4-(6-Fluoro-3,4-dihydroisoquinolin-2(1H)-yl)-2,6-dimethylphenyl)-3,3-dimethylbutanamide

CAS: 1009344-33-5

In Stock97%+

tri-tert-Butyl benzene-1,3,5-triyltricarbamate structure

tri-tert-Butyl benzene-1,3,5-triyltricarbamate

CAS: 1009345-48-5

In Stock97%+

((2,5-Dimethylphenyl)sulfonyl)valine structure

((2,5-Dimethylphenyl)sulfonyl)valine

CAS: 1009346-46-6

In Stock97%+

1-(Bromomethyl)-2,5-dichloro-3-nitrobenzene structure

1-(Bromomethyl)-2,5-dichloro-3-nitrobenzene

CAS: 1009349-32-9

In Stock97%+

ent-Naxagolide hydrochloride structure

ent-Naxagolide hydrochloride

CAS: 100935-99-7

In Stock97%+

Methyl 3-amino-3-(2,6-difluorophenyl)propanoate structure

Methyl 3-amino-3-(2,6-difluorophenyl)propanoate

CAS: 1009351-41-0

In Stock97%+

2-(3,4-Dichloro-benzoylamino)-propionic acid ethyl ester structure

2-(3,4-Dichloro-benzoylamino)-propionic acid ethyl ester

CAS: 1009351-64-7

In Stock97%+

3-(4-fluorobenzoyl)-3-azabicyclo[3.1.0]hexane-2-carboxylic acid structure

3-(4-fluorobenzoyl)-3-azabicyclo[3.1.0]hexane-2-carboxylic acid

CAS: 1009353-30-3

In Stock97%+

3-(4-chlorobenzoyl)-3-azabicyclo[3.1.0]hexane-2-carboxylic acid structure

3-(4-chlorobenzoyl)-3-azabicyclo[3.1.0]hexane-2-carboxylic acid

CAS: 1009353-35-8

In Stock97%+

4-(4-Chlorobenzoyl)-8-methyl-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid structure

4-(4-Chlorobenzoyl)-8-methyl-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid

CAS: 1009354-95-3

In Stock97%+

(1R,5S)-8-azabicyclo[3.2.1]Octan-3-amine dihydrochloride structure

(1R,5S)-8-azabicyclo[3.2.1]Octan-3-amine dihydrochloride

CAS: 100936-98-9

In Stock97%+

4-Chloro-1-methyl-1,8-naphthyridin-2(1H)-one structure

4-Chloro-1-methyl-1,8-naphthyridin-2(1H)-one

CAS: 1009360-86-4

In Stock97%+

5-Amino-1H-pyrazole-4-carboxylic acid(3-trifluoromethyl-phenyl)-amide structure

5-Amino-1H-pyrazole-4-carboxylic acid(3-trifluoromethyl-phenyl)-amide

CAS: 1009360-89-7

In Stock97%+

tert-butyl 3-(2H-1,2,3,4-tetrazol-5-yl)azetidine-1-carboxylate structure

tert-butyl 3-(2H-1,2,3,4-tetrazol-5-yl)azetidine-1-carboxylate

CAS: 1009367-63-8

In Stock97%+

« Prev1…8283848586…100Next »