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Quinazoline Pharmaceutical Reference Standards
2-Piperazinyl-4-amino-6,7-dimethoxyquinazoline-d8
Quinazoline Stable Isotopes
CS-T-84260

2-Piperazinyl-4-amino-6,7-dimethoxyquinazoline-d8

Quinazoline Stable Isotopes
Methyl 8-fluoro-3,4-dihydro-2-[4-[3-(methoxy-d3)phenyl]-1-piperazinyl]-3-[2-(methoxy-d3)-5-(trifluoromethyl)phenyl]-4-quinazolineacetate
Quinazoline Stable Isotopes
CS-O-48629

Methyl 8-fluoro-3,4-dihydro-2-[4-[3-(methoxy-d3)phenyl]-1-piperazinyl]-3-[2-(methoxy-d3)-5-(trifluoromethyl)phenyl]-4-quinazolineacetate

Quinazoline Stable Isotopes
Methyl 8-fluoro-3,4-dihydro-2-[4-[3-(methoxy-d3)phenyl]-1-piperazinyl]-3-[2-methoxy-5-(trifluoromethyl)phenyl]-4-quinazolineacetate
Quinazoline Stable Isotopes
CS-O-48635

Methyl 8-fluoro-3,4-dihydro-2-[4-[3-(methoxy-d3)phenyl]-1-piperazinyl]-3-[2-methoxy-5-(trifluoromethyl)phenyl]-4-quinazolineacetate

Quinazoline Stable Isotopes
Quinazoline Impurities
CS-T-86637

"1,2,3,4-Tetrahydro-4-oxo-2-thioxo-7-quinazolinecarboxylic Acid Methyl Ester"

Quinazoline Impurities
Quinazoline Impurities
CS-M-07683

"11-Oxo-11H-pyrido[2,1-b]quinazoline-6-carboxylic acid"

Quinazoline Impurities
Quinazoline Impurities
CS-T-65729

"2-Amino-5,6-dichloro-3(4H)-quinazoline Acetic Acid Benzyl Ester Hydrobromide"

Quinazoline Impurities
Quinazoline Impurities
CS-T-47745

"2-Amino-5,6-dichloro-3(4H)-quinazoline Acetic Acid Hydrobromide"

Quinazoline Impurities
Quinazoline Impurities
CS-T-65848

"2-Amino-5,6-dichloro-3(4H)-quinazolineacetic Acid Methyl Ester Monohydrobromide"

Quinazoline Impurities
Quinazoline Impurities
CS-DJ-00426

"2-Chloro-6,7-dimethoxyquinazoline"

Quinazoline Impurities
Quinazoline Impurities
CS-M-47483

"3-(3-Chlorophenyl)quinazoline-2,4(1H,3H)-dione"

Quinazoline Impurities
Quinazoline Impurities
CS-DV-02897

"4-oxo-3,4-dihydro-quinazoline-6-carboxylic acid"

Quinazoline Impurities
Quinazoline Impurities
CS-DV-03032

"5-Bromo-2,4-dichloroquinazoline"

Quinazoline Impurities
Quinazoline Impurities
CS-T-91040

"6,7-Dimethoxy-N2,N2-dimethylquinazoline-2,4-diamine"

Quinazoline Impurities
Quinazoline Impurities
CS-M-52005

"6-Bromo-2,4-dichloroquinazoline"

Quinazoline Impurities
Quinazoline Impurities
CS-T-11511

"6-Chloro-2-(chloromethyl)-4-(2-fluorophenyl)-1,2-dihydroquinazoline 3-Oxide"

Quinazoline Impurities
1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-6-sulfonyl chloride
Quinazoline Impurities
CS-M-10311

1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-quinazoline-6-sulfonyl chloride

Quinazoline Impurities
2-(Chloromethyl)-6-methyl-4-phenyl-quinazoline 3-Oxide
Quinazoline Impurities
CS-T-50824

2-(Chloromethyl)-6-methyl-4-phenyl-quinazoline 3-Oxide

Quinazoline Impurities
2-Amino-5,6-dichloro-3(4H)-quinazoline Acetic Acid
Quinazoline Impurities
CS-T-47744

2-Amino-5,6-dichloro-3(4H)-quinazoline Acetic Acid

Quinazoline Impurities
2-Chloromethyl-3-oxo-4-methyl quinazoline
Quinazoline Impurities
CS-O-40456

2-Chloromethyl-3-oxo-4-methyl quinazoline

Quinazoline Impurities
2-Chloro-N-[4-chloro-2-[(hydroxyimino)phenylmethyl]phenyl]acetamide
Quinazoline Impurities
CS-O-16286

2-Chloro-N-[4-chloro-2-[(hydroxyimino)phenylmethyl]phenyl]acetamide

Quinazoline Impurities
3,4-Dihydro-4-oxo-2-quinazolinepropionic Acid
Quinazoline Impurities
CS-T-53104

3,4-Dihydro-4-oxo-2-quinazolinepropionic Acid

Quinazoline Impurities
4-chloro-6-(3-chloropropoxy)-7-methoxyquinazoline
Quinazoline Impurities
CS-O-39486

4-chloro-6-(3-chloropropoxy)-7-methoxyquinazoline

Quinazoline Impurities
4-Chloro-6-hydroxy-7-methoxyquinazoline
Quinazoline Impurities
CS-M-51712

4-Chloro-6-hydroxy-7-methoxyquinazoline

Quinazoline Impurities
4-Chloro-7-(2-chloroethoxy)-6-(2-methoxyethoxy)quinazoline
Quinazoline Impurities
CS-T-11327

4-Chloro-7-(2-chloroethoxy)-6-(2-methoxyethoxy)quinazoline

Quinazoline Impurities
4-Chloro-quinazoline
Quinazoline Impurities
CS-M-07614

4-Chloro-quinazoline

Quinazoline Impurities
4-Methyl-2-quinazolinecarboxylic Acid Ethyl Ester
Quinazoline Impurities
CS-T-81122

4-Methyl-2-quinazolinecarboxylic Acid Ethyl Ester

Quinazoline Impurities
4-Piperazin-1-ylquinazoline
Quinazoline Impurities
CS-M-26957

4-Piperazin-1-ylquinazoline

Quinazoline Impurities
5,6,7,8-Tetrahydro-quinazoline
Quinazoline Impurities
CS-DV-02975

5,6,7,8-Tetrahydro-quinazoline

Quinazoline Impurities
7-Methoxy-4-(pyridin-3-yl)-6-[2-(quinolin-2-yl)ethoxy]quinazoline
Quinazoline Impurities
CS-T-32868

7-Methoxy-4-(pyridin-3-yl)-6-[2-(quinolin-2-yl)ethoxy]quinazoline

Quinazoline Impurities
copanlisib imidazo[1,2-c]quinazoline N-oxide
Quinazoline Impurities
CS-O-32746

copanlisib imidazo[1,2-c]quinazoline N-oxide

Quinazoline Impurities
Methyl 4-chloroquinazoline-6-carboxylate
Quinazoline Impurities
CS-M-51727

Methyl 4-chloroquinazoline-6-carboxylate

Quinazoline Impurities
N6-(4,4-dimethyl-4,5-dihydrooxazol-2-yl)quinazoline-4,6-diamine
Quinazoline Impurities
CS-O-44117

N6-(4,4-dimethyl-4,5-dihydrooxazol-2-yl)quinazoline-4,6-diamine

Quinazoline Impurities
N6-[(3,4-Dichlorophenyl)methyl]-N6-nitroso-2,4,6-quinazolinetriamine
Quinazoline Impurities
CS-T-88906

N6-[(3,4-Dichlorophenyl)methyl]-N6-nitroso-2,4,6-quinazolinetriamine

Quinazoline Impurities
Quinazoline-7-carboxylic Acid
Quinazoline Impurities
CS-T-84953

Quinazoline-7-carboxylic Acid

Quinazoline Impurities
Rosuvastatin Dihydrobenzoquinazoline (6S)-Isomer
Quinazoline Impurities
CS-O-38626

Rosuvastatin Dihydrobenzoquinazoline (6S)-Isomer

Quinazoline Impurities
Quinazoline Intermediates
CS-EL-28993

"1-methyl-2-pentyl-2H-pyrazino[2,1-b]quinazoline-3,6(1H,4H)-dione"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-05112

"2-(cyanomethyl)-6-oxo-6,7,8,9-tetrahydropyrazolo[1,5-a]quinazoline-3-carbonitrile"

Quinazoline Intermediates
Quinazoline Intermediates
CS-AC-12585

"2,4(1H,3H)-Quinazolinedione"

Quinazoline Intermediates
Quinazoline Intermediates
CS-T-52458

"2,4-Diamino-5,6,7,8-tetrahydro-6-quinazolinecarboxylic Acid"

Quinazoline Intermediates
Quinazoline Intermediates
CS-M-56980

"2,4-Dichloro-5,6,7,8-tetrahydroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-BO-00097

"2,4-dichloro-6-(trifluoromethyl)quinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-M-42361

"2,4-Dichloro-6-fluoroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-M-42375

"2,4-Dichloro-6-methoxyquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-BO-00063

"2,4-dichloro-6-methylquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-M-42369

"2,4-Dichloro-7-fluoroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-BO-00076

"2,4-dichloro-8-fluoroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-T-17539

"2,4-Dichloro-8-methoxyquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-09043

"2,4-dichloro-8-methylquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-T-91246

"2,4-Dichloroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-M-42362

"2,4-Dihydroxyl-6-fluoroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-M-57620

"2,4-Dimethylquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-T-88291

"2,6-Dibromoquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-09567

"2,8-Dichloroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-T-02393

"2-Amino-5,6-dichloro-3,4-dihydroquinazoline Hydrobromide"

Quinazoline Intermediates
Quinazoline Intermediates
CS-T-02394

"2-Amino-5,6-dichloro-3,4-dihydroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-M-42376

"2-Oxo-1,2-dihydroquinazoline-4-carboxylic acid"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-17394

"3-(2,4-dichlorophenyl)-5-piperidino[1,2,4]triazolo[4,3-c]quinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-13263

"3-(4-chlorophenyl)-4-imino-3,4-dihydro-2(1H)-quinazolinethione"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-13045

"3-(4-chlorophenyl)-4-imino-6-(4-methoxyphenyl)-1,3,7-trihydro-5,7-diazaquinazoline-2,8-dione"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-30356

"3-(4-chlorophenyl)-5-methyl-6,7,8,9-tetrahydropyrazolo[1,5-a]quinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-M-53230

"3,4-Dihydro-4-oxoquinazoline-6-carboxylic acid"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-01469

"3-allylquinazoline-2,4(1H,3H)-dione"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-01759

"4-(1,4-diazepan-1-yl)-2-(trifluoromethyl)quinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-17951

"4-(2,4-difluorophenoxy)-2-(trifluoromethyl)quinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-18584

"4-(4-bromophenyl)-2-(3,5-dimethyl-1H-pyrazol-1-yl)-5,6-dihydrobenzo[h]quinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-M-57555

"4,6-Dichloro-2-(trifluoromethyl)quinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-01864

"4,6-Dichloro-2-methylquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-BO-00119

"4,7-dichloroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-18032

"4-[(2,4-dichlorophenyl)sulfanyl]-2-[(4-methylbenzyl)sulfanyl]-5,6,7,8-tetrahydroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-18114

"4-chloro-2-[(4-methylbenzyl)sulfanyl]-5,6,7,8-tetrahydroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-18417

"4-chloro-2-[(4-methylbenzyl)sulfonyl]-5,6,7,8-tetrahydroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-AC-10985

"4-Chloro-5,6,7,8-tetrahydroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-02590

"4-Chloro-6,7-dimethylenedioxyquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-BO-00086

"4-oxo-3,4-dihydroquinazoline-7-carboxylic acid"

Quinazoline Intermediates
Quinazoline Intermediates
CS-BO-00091

"4-oxo-3,4-dihydroquinazoline-8-carboxylic acid"

Quinazoline Intermediates
Quinazoline Intermediates
CS-T-62136

"5-(4-Tolylthio)-2,4-diaminoquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-15671

"5-[(2,4-dichlorobenzyl)sulfanyl]-8,9-dimethoxy-2-methyl[1,2,4]triazolo[1,5-c]quinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-CE-00282

"5-Chloro-2,4-diaminoquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-29940

"5-methyl-11-oxo-5,6,7,8,9,11-hexahydro-5aH-pyrido[2,1-b]quinazoline-3-carboxamide"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-29216

"5-piperidinopyrazolo[1,5-a]quinazoline-3-carbonitrile"

Quinazoline Intermediates
Quinazoline Intermediates
CS-O-31344

"6,7-Dimethoxy-2-(l-piperazinyl)-Quinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-M-54880

"6,7-Dimethoxy-4-piperazin-1-yl-quinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-M-34082

"6-Bromo-2,4(1H,3H)-quinazolinedione"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-05951

"6-bromo-3-ethyl-2,4(1H,3H)-quinazolinedione"

Quinazoline Intermediates
Quinazoline Intermediates
CS-M-34790

"6-Bromo-3-phenyl-2,4(1H,3H)-quinazolinedione"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-00526

"6-bromo-3-propyl-2,4(1H,3H)-quinazolinedione"

Quinazoline Intermediates
Quinazoline Intermediates
CS-AC-12560

"6-Chloroquinazoline-2,4-dione"

Quinazoline Intermediates
Quinazoline Intermediates
CS-AC-10923

"6-Phenyl-benzimidazol(1,2-c)quinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-02540

"7-amino-4-oxo-5-phenyl-2-thioxo-1,3,5,8-tetrahydro-8-oxaquinazoline-6-carbonitrile"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-31694

"7-amino-5-(3-nitrophenyl)-2,4-dioxo-1,3,5,8-tetrahydro-8-oxaquinazoline-6-carbonitrile"

Quinazoline Intermediates
Quinazoline Intermediates
CS-AC-02539

"7-Bromo-2,4-diaminoquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-DJ-00522

"7-Bromo-2,4-dichloroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EM-03410

"7-bromo-4,6-dichloroquinazoline"

Quinazoline Intermediates
Quinazoline Intermediates
CS-BO-00104

"7-bromoquinazoline-2,4-diol"

Quinazoline Intermediates
Quinazoline Intermediates
CS-AC-12567

"7-Chloro-1H-quinazoline-2,4-dione"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-03557

"7-chloro-2-ethyl-4,4-dioxo-1,2,3-trihydro-4-thiaquinazoline-6-sulfonamide"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-01214

"7'-chloro-3',4'-dihydro-1'H-spiro[piperidine-4,2'-quinazoline]-4'-one"

Quinazoline Intermediates
Quinazoline Intermediates
CS-AC-11479

"7-Fluoro-1,3-dihydroquinazoline-2,4-dione"

Quinazoline Intermediates
Quinazoline Intermediates
CS-EL-29672

"7'-fluoro-1'-methyl-3',4'-dihydro-1'H-spiro[piperidine-4,2'-quinazoline]-4'-one"

Quinazoline Intermediates
Quinazoline Intermediates
CS-T-82999

"7-Nitroquinazoline-2,4(1H,3H)-dione"

Quinazoline Intermediates