Logo
Close []
Logo
Quick Enquiry
  • sales@clearsynth.com
Benzoxazine Pharmaceutical Reference Standards
(3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid-d5(Levofloxacin Impurity)
Benzoxazine Stable Isotopes
CS-T-97514

(3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid-d5(Levofloxacin Impurity)

Benzoxazine Stable Isotopes
(4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazine-d2 ,13C1
Benzoxazine Stable Isotopes
CS-T-101709

(4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazine-d2 ,13C1

Benzoxazine Stable Isotopes
5H-Pyrido[1,2,3-de]-1,4-benzoxazine-D3 Boron Derivative
Benzoxazine Stable Isotopes
CS-T-102610

5H-Pyrido[1,2,3-de]-1,4-benzoxazine-D3 Boron Derivative

Benzoxazine Stable Isotopes
6-Chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxazine-8-carboxylic Acid-13C,d3 Methyl Ester
Benzoxazine Stable Isotopes
CS-T-72185

6-Chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxazine-8-carboxylic Acid-13C,d3 Methyl Ester

Benzoxazine Stable Isotopes
6-Chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxazine-8-carboxylic Acid-d3 Methyl Ester
Benzoxazine Stable Isotopes
CS-T-72126

6-Chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxazine-8-carboxylic Acid-d3 Methyl Ester

Benzoxazine Stable Isotopes
Benzoxazine Impurities
CS-T-54826

"(3S)-10-Fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid"

Benzoxazine Impurities
Benzoxazine Impurities
CS-T-50688

"(4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazine"

Benzoxazine Impurities
Benzoxazine Impurities
CS-CG-00145

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

Benzoxazine Impurities
Benzoxazine Impurities
CS-M-28122

"6,7-Dimethoxy-2H-3,1-benzoxazine-2,4(1H)-dione"

Benzoxazine Impurities
Benzoxazine Impurities
CS-M-28123

"6-Iodo-2H-3,1-benzoxazine-2,4(1H)-dione"

Benzoxazine Impurities
Benzoxazine Impurities
CS-M-28127

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

Benzoxazine Impurities
Benzoxazine Impurities
CS-M-33566

"Ethyl 4-methyl-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate"

Benzoxazine Impurities
Benzoxazine Impurities
CS-M-32426

"Ethyl 6-chloro-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate"

Benzoxazine Impurities
2-Methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid
Benzoxazine Impurities
CS-M-30855

2-Methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid

Benzoxazine Impurities
3,4-Dihydro-2H-1,4-benzoxazine
Benzoxazine Impurities
CS-DL-00967

3,4-Dihydro-2H-1,4-benzoxazine

Benzoxazine Impurities
6,8-Dimethyl-2H-3,1-benzoxazine-2,4(1H)-dione
Benzoxazine Impurities
CS-M-26959

6,8-Dimethyl-2H-3,1-benzoxazine-2,4(1H)-dione

Benzoxazine Impurities
6-Chloro-3,4-dihydro-3-oxo-2H-1,4-benzoxazine-8-carboxylic Acid Methyl Ester
Benzoxazine Impurities
CS-T-50638

6-Chloro-3,4-dihydro-3-oxo-2H-1,4-benzoxazine-8-carboxylic Acid Methyl Ester

Benzoxazine Impurities
6-chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxazine-8-carboxylic acid
Benzoxazine Impurities
CS-O-32408

6-chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxazine-8-carboxylic acid

Benzoxazine Impurities
9-Bromo-10-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Benzoxazine Impurities
CS-O-40287

9-Bromo-10-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid

Benzoxazine Impurities
Ethyl 2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate
Benzoxazine Impurities
CS-M-30854

Ethyl 2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate

Benzoxazine Impurities
Ethyl 2-methyl-6-nitro-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate
Benzoxazine Impurities
CS-M-33642

Ethyl 2-methyl-6-nitro-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate

Benzoxazine Impurities
Ethyl 2-methyl-7-nitro-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate
Benzoxazine Impurities
CS-M-33643

Ethyl 2-methyl-7-nitro-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate

Benzoxazine Impurities
Methyl 4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-7-carboxylate
Benzoxazine Impurities
CS-M-34563

Methyl 4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-7-carboxylate

Benzoxazine Impurities
Benzoxazine Intermediates
CS-T-68692

"1’-Boc-6-chlorospiro[4H-3,1-benzoxazine-4,4’-piperidin]-2(1H)-one"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-AC-03272

"1'-Boc-1,2-dihydro-2-oxo-spiro[4h-3,1-benzoxazine-4,4'-piperidine]"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-10151

"2,4-dioxo-2,4-dihydro-1H-3,1-benzoxazine-6-sulfonyl chloride"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-T-50646

"2-Chloro-2,2-dimethyl-2H-1,3-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-AC-06321

"2H-1,4-Benzoxazine, 3,4-dihydro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-M-34592

"2-Methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-AC-10566

"2-Methyl-6-nitro-3,4-dihydro-2H-1,4-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-02225

"3-(3,4-dimethoxyphenethyl)-6-nitro-2H-1,3-benzoxazine-2,4(3H)-dione"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-11583

"3-(4-chlorophenyl)-6-methyl-2H-1,4-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-T-90743

"3,4-Dihydro-1,4-benzoxazine-3-one 6-oxoacetic Acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-T-89276

"3,4-Dihydro-2,8-dimethyl-3-oxo-2H-1,4-benzoxazine-6-carboxaldehyde"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-02155

"3,4-Dihydro-2H-1,4-benzoxazine-2-carbonitrile"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-T-18667

"3,4-Dihydro-2H-1,4-benzoxazine-2-carboxylic Acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-08011

"3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-T-91090

"3,4-Dihydro-2H-1,4-benzoxazine-7-boronic acid pinacol ester"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-T-90363

"3,4-Dihydro-2H-1,4-benzoxazine-7-carboxylic acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-00598

"3-benzyl-6-nitro-2H-1,3-benzoxazine-2,4(3H)-dione"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-Q-00316

"3-oxo-3,4-dihydro-2H-1,4-benzoxazine-7-carboxylic acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-11537

"4-[(4-chlorophenyl)sulfonyl]-3-phenyl-3,4-dihydro-2H-1,4-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-M-20333

"4-Acetyl-3,4-dihydro-2H-1,4-benzoxazine-6-sulfonyl chloride"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-AC-02533

"4-BOC-6-Bromo-5-fluoro-2,3-dihydro-1,4-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-AC-05330

"4-Methyl-2,3-dihydro-1,4-benzoxazine-6-boronic acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-T-77507

"5-Fluoro-3,4-dihydro-2H-1,4-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-03561

"6-(carboxymethyl)-4-(methylsulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-17675

"6,8-dibromo-3-(4-fluorophenyl)-3,4-dihydro-2H-1,3-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-Q-01901

"6-bromo-2H-3,1-benzoxazine-2,4(1H)-dione"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-AC-04689

"6-Bromo-8-fluoro-3,4-dihydro-2H-1,4-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-M-26859

"6-Chloro-2-methyl-3,4-dihydro-2H-1,4-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-00503

"6-chloro-3-(4-nitrophenyl)-2H-1,4-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-05591

"6-chloro-4-(methylsulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-19183

"6-chloro-4-[(2-nitrobenzyl)sulfonyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-06827

"6-chloro-4-[(4-chlorophenyl)sulfonyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-03911

"6-chloro-N-(4-methylbenzyl)-4-(methylsulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxamide"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-DJ-00299

"6-Chlorospiro[4H-3,1-benzoxazine-4,4-piperidin]-2(1H)-one"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-30024

"7-(Trifluoromethyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-AC-02706

"7-bromo-3,4-dihydro-2H-1,4-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-07478

"7-Bromo-3,4-dihydro-4-methyl-2H-1,4-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-09930

"7-fluoro-3,4-dihydro-2H-1,4-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-04784

"8-bromo-6-methoxy-3,4-dihydro-2H-1,4-benzoxazine"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-T-75229

"8-Fluoro-2,3-dihydro-1,4-benzoxazine-6-boronic acid"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-AC-09344

"Ethyl 3-methyl-2H-1,4-benzoxazine-2-carboxylate"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-EL-10133

"methyl 2-cyano-8-methoxy-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylate"

Benzoxazine Intermediates
Benzoxazine Intermediates
CS-M-34537

"Methyl 3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylate"

Benzoxazine Intermediates
2-Ethyl-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-T-74562

2-Ethyl-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
2-ethyl-6-methyl-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-ED-28360

2-ethyl-6-methyl-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
2H-1,4-Benzoxazine-2,3(4H)-dione
Benzoxazine Intermediates
CS-M-47313

2H-1,4-Benzoxazine-2,3(4H)-dione

Benzoxazine Intermediates
3-Methyl-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-M-31541

3-Methyl-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
3-oxo-3,4-dihydro-2H-1,4-benzoxazine-5-sulfonyl chloride
Benzoxazine Intermediates
CS-ED-32659

3-oxo-3,4-dihydro-2H-1,4-benzoxazine-5-sulfonyl chloride

Benzoxazine Intermediates
4-(2-bromobutanoyl)-6-methyl-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-ED-13895

4-(2-bromobutanoyl)-6-methyl-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
4-(Ethylsulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid
Benzoxazine Intermediates
CS-ED-28125

4-(Ethylsulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid

Benzoxazine Intermediates
4-(furan-2-carbonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid
Benzoxazine Intermediates
CS-ED-30187

4-(furan-2-carbonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid

Benzoxazine Intermediates
4-(phenylcarbamoyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid
Benzoxazine Intermediates
CS-ED-33383

4-(phenylcarbamoyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid

Benzoxazine Intermediates
4-[(2,5-dichlorophenyl)sulfonyl]-3-methyl-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-EL-16561

4-[(2,5-dichlorophenyl)sulfonyl]-3-methyl-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
4-methanesulfonyl-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid
Benzoxazine Intermediates
CS-ED-20289

4-methanesulfonyl-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid

Benzoxazine Intermediates
5,6,7,8-tetrahydro-2H-3,1-benzoxazine-2,4(1H)-dione
Benzoxazine Intermediates
CS-ED-18177

5,6,7,8-tetrahydro-2H-3,1-benzoxazine-2,4(1H)-dione

Benzoxazine Intermediates
5-Methyl-3-(4-methyl-1-piperazinyl)-5H-pyridazino[3,4-b][1,4]benzoxazine
Benzoxazine Intermediates
CS-M-44135

5-Methyl-3-(4-methyl-1-piperazinyl)-5H-pyridazino[3,4-b][1,4]benzoxazine

Benzoxazine Intermediates
5-Nitro-2H-3,1-benzoxazine-2,4(1H)-dione
Benzoxazine Intermediates
CS-M-44122

5-Nitro-2H-3,1-benzoxazine-2,4(1H)-dione

Benzoxazine Intermediates
6-(ethanesulfonyl)-2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid
Benzoxazine Intermediates
CS-ED-28708

6-(ethanesulfonyl)-2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid

Benzoxazine Intermediates
6,7-dichloro-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-ED-27123

6,7-dichloro-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
6,7-difluoro-2H-3,1-benzoxazine-2,4(1H)-dione
Benzoxazine Intermediates
CS-ED-27473

6,7-difluoro-2H-3,1-benzoxazine-2,4(1H)-dione

Benzoxazine Intermediates
6-Acetyl-2,3-dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile
Benzoxazine Intermediates
CS-O-41757

6-Acetyl-2,3-dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile

Benzoxazine Intermediates
6-Bromo-2H-1,4-benzoxazine-3(4H)-thione
Benzoxazine Intermediates
CS-T-68670

6-Bromo-2H-1,4-benzoxazine-3(4H)-thione

Benzoxazine Intermediates
6-Bromo-4-methyl-2,3-dihydro-1,4-benzoxazine
Benzoxazine Intermediates
CS-T-70641

6-Bromo-4-methyl-2,3-dihydro-1,4-benzoxazine

Benzoxazine Intermediates
6-Bromo-7-fluoro-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-AC-07336

6-Bromo-7-fluoro-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
6-Chloro-2,3-dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile
Benzoxazine Intermediates
CS-O-41788

6-Chloro-2,3-dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile

Benzoxazine Intermediates
6-Chloro-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-M-33916

6-Chloro-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
6-Fluoro-4-methyl-2,3-dihydro-1,4-benzoxazine
Benzoxazine Intermediates
CS-T-75615

6-Fluoro-4-methyl-2,3-dihydro-1,4-benzoxazine

Benzoxazine Intermediates
6-Fluorospiro[4H-3,1-benzoxazine-4,4'-piperidin]-2(1H)-one
Benzoxazine Intermediates
CS-M-55017

6-Fluorospiro[4H-3,1-benzoxazine-4,4'-piperidin]-2(1H)-one

Benzoxazine Intermediates
6-Methyl-2,3-dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile
Benzoxazine Intermediates
CS-O-41874

6-Methyl-2,3-dihydro-3-oxo-4H-1,4-benzoxazine-4-propionitrile

Benzoxazine Intermediates
6-Nitro-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-M-31780

6-Nitro-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
7-bromo-6-chloro-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-ED-18286

7-bromo-6-chloro-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
7-Bromo-6-fluoro-2H-3,1-benzoxazine-2,4(1H)-dione
Benzoxazine Intermediates
CS-ED-13345

7-Bromo-6-fluoro-2H-3,1-benzoxazine-2,4(1H)-dione

Benzoxazine Intermediates
7-Chloro-2-methyl-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-T-69246

7-Chloro-2-methyl-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
7-Nitro-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-M-33788

7-Nitro-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
8-Fluoro-3,4-dihydro-2H-1,4-benzoxazine
Benzoxazine Intermediates
CS-T-75096

8-Fluoro-3,4-dihydro-2H-1,4-benzoxazine

Benzoxazine Intermediates
9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid
Benzoxazine Intermediates
CS-T-91150

9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid

Benzoxazine Intermediates
Ethyl 3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate
Benzoxazine Intermediates
CS-M-32228

Ethyl 3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate

Benzoxazine Intermediates