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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Azetidine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Azetidine impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Azetidine-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Azetidine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2S)-1-(Benzyloxycarbonyl)azetidine-2-carboxylic acid-d5 Stable Isotopes CS-T-102728 Not Available Enquire
1-Benzyl D-1,2-azetidinedicarboxylate-d5 with L-Hydrazide Ty... Stable Isotopes CS-T-97020 Not Available Enquire
1-Benzyloxycarbonylazetidine-2-carboxylic acid-d5 Stable Isotopes CS-T-102727 174740-81-9(Unlabelled) Enquire
Baricitinib-D4 (azetidine-2,2-d2)(Ethyl-1,1-d2) Stable Isotopes CS-O-36661 1564241-55-9 Enquire
D,L-Azetidine-2-carboxylic Acid-d4 Stable Isotopes CS-T-94548 2517-04-6 (Unlabelled) Enquire
D,L-Azetidine-2-carboxylic Acid-d5 Stable Isotopes CS-T-95210 2517-04-6(Unlabelled) Enquire
D-Azetidine-2-carboxylic Acid-d4 Stable Isotopes CS-T-97024 ---- Enquire
L-Azetidine-2-carboxylic Acid-d4 Stable Isotopes CS-T-97023 Not Available Enquire
N-Nitroso-L-(azetidine-d5)-2-carboxylic Acid Stable Isotopes CS-T-94540 30248-47-6 (Unlabelled) Enquire
1-((2R)-2-Amino-2-cyclohexylacetyl)-N-(4'-cyanobenzyl)-2-L-a... Stable Isotopes CS-T-47700 1356930-51-2 Enquire
1-[(2R)-N’-Boc-2-amino-2-cyclohexylacetyl]-N-(4’-cyanobenzyl... Stable Isotopes CS-O-13950 1356352-32-3 Enquire
Azetidine D6 Stable Isotopes CS-CX-00378 1415638-24-2 Enquire
Azetidine sulfate D6 Stable Isotopes CS-CX-00377 5629-00-5 (Unlabeled) Enquire
Baricitinib D4 (azetidine-2,2,4,4-d4) Stable Isotopes CS-O-39795 1564241-99-1 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Azetidine hydrochloride API CS-M-24187 36520-39-5 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(4-Acetyl-2-ethylbenzyl)azetidine-3-carboxylic Acid Impurity CS-O-49143 2474774-17-7 Enquire
3-methoxyazetidine-3-carboxylic acid hydrochloride Impurity CS-EM-00564 1392804-40-8 Enquire
Siponimod-allyl-azetidine-impurity Impurity CS-O-58250 ---- Enquire
(+/-)-tert-Butyl 2-(4-fluorophenyl)-4-oxoazetidine-1-carboxy... Impurity CS-EL-03033 1379812-25-5 Enquire
(+/-)-tert-Butyl 2-(4-methoxybenzyl)-4-oxoazetidine-1-carbox... Impurity CS-EL-06068 1379812-23-3 Enquire
(+/-)-tert-Butyl 2-isopropenyl-2-methyl-4-oxoazetidine-1-car... Impurity CS-EL-08353 1335042-73-3 Enquire
(+/-)-tert-butyl 2-isopropyl-4-oxoazetidine-1-carboxylate Impurity CS-EL-06689 1335042-42-6 Enquire
(+/-)-tert-Butyl-2-(chloromethyl)-2-methyl-4-oxoazetidine-1-... Impurity CS-EL-07197 1335042-11-9 Enquire
(+/-)-tert-Butyl-2-but-3-en-1-yl-4-oxoazetidine-1-carboxylat... Impurity CS-EL-07402 1335041-94-5 Enquire
(+/-)-tert-Butyl-2-isobutyl-4-oxoazetidine-1-carboxylate Impurity CS-EL-06568 1335042-75-5 Enquire
(+/-)-tert-Butyl-2-methyl-4-oxo-2-vinylazetidine-1-carboxyla... Impurity CS-EL-09160 1335042-72-2 Enquire
(+/-)-tert-Butyl-2-oxo-4-phenylazetidine-1-carboxylate Impurity CS-EL-04352 294862-04-7 Enquire
(+/-)-tert-butyl-2-tert-butyl-4-oxoazetidine-1-carboxylate Impurity CS-EL-08742 1335042-29-9 Enquire
(2S)-2-(4-bromophenyl)azetidine Impurity CS-DU-00100 1228542-90-2 Enquire
(R)-Azetidine-2-carboxylic acid hydrochloride Impurity CS-AC-02063 647854-72-6 Enquire
(S)-2-Aminomethyl-1-boc-azetidine Impurity CS-AC-02677 1007873-90-6 Enquire
(S)-2-Azetidinemethanol Impurity CS-AC-03687 104587-62-4 Enquire
(S)-Azetidine-2-carboxylic acid, HCl Impurity CS-AC-04244 2133-35-9 Enquire
1 - Boc - 3 - azetidinecarboxaldehyde Impurity CS-DV-00477 177947-96-5 Enquire
1-((2R)-2-Amino-2-cyclohexylacetyl)-N-(4'-cyanobenzyl)-2-L-a... Impurity CS-T-02269 1356010-93-9 Enquire
1,1-Dimethylethyl 3-(2-amino-5-bromophenyl)-1-azetidinecarbo... Impurity CS-O-52854 2222938-13-6 Enquire
1-[(2R)-N'-Boc-2-amino-2-cyclohexylacetyl]-N-(4'-cyanobenzyl... Impurity CS-T-07382 1356848-29-7 Enquire
1-Azetidinecarboxylic acid, 3-hydroxy-, phenylmethyl ester Impurity CS-DL-00954 128117-22-6 Enquire
1-Benzhydrylazetidine Impurity CS-T-05032 107128-00-7 Enquire
1-Benzyl-azetidine-3-carboxylic acid Impurity CS-M-09737 854431-12-2 Enquire
1-Boc-3-aminoazetidine Impurity CS-T-07369 193269-78-2 Enquire
2-(2,3-Dichlorophenyl)azetidine Hydrochloride Impurity CS-T-52670 777887-21-5 Enquire
3-(3,4-Difluorophenyl)azetidine Impurity CS-T-52881 1203797-46-9 Enquire
3-(3,5-Difluorophenyl)azetidine Impurity CS-T-52882 1203796-99-9 Enquire
3-(4-Chlorobenzyl)azetidine Impurity CS-T-11237 606129-49-1 Enquire
3-(4-Fluorophenyl)azetidine Impurity CS-T-24223 1203796-58-0 Enquire
3-(cyanomethyl)3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyr... Impurity CS-O-38527 Not Available Enquire
3-(N-Boc-ethylamino) Azetidine Impurity CS-T-07545 929716-69-8 Enquire
3,3-Dimethylazetidine Hydrochloride Impurity CS-DJ-01124 89381-03-3 Enquire
3-[(2,3-Dimethoxyphenyl)methyl]azetidine Impurity CS-T-53377 937616-94-9 Enquire
3-[(2,6-Dichlorophenyl)methyl]azetidine Impurity CS-T-52668 937621-77-7 Enquire
3-[(3,4-Dimethoxyphenyl)methyl]azetidine Impurity CS-T-53472 937618-80-9 Enquire
3-[(4-Bromophenyl)methyl]azetidine Impurity CS-T-49858 937616-34-7 Enquire
3-[(8-Chloro-2,3-dihydro-1,4-benzodioxin-6-yl)methyl]azetidi... Impurity CS-T-50659 937624-75-4 Enquire
3-[[[(1,1-dimethylethoxy)carbonyl]amino]methyl]-3-Azetidinec... Impurity CS-DV-02087 1158759-58-0 Enquire
3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-3-az... Impurity CS-O-38523 Not Available Enquire
3-Hydroxy-1-methylazetidine hydrochloride Impurity CS-M-51731 111043-48-2 Enquire
3-Methylsulfonyl-azetidine hydrochloride Impurity CS-M-51732 1400764-60-4 Enquire
Azetidine-3-carboxylic acid (3-methoxy-phenyl)-amide hydroch... Impurity CS-M-50935 1229625-02-8 Enquire
N-Boc-N'-(4-cyanobenzyl)-2-L-azetidinecarboxamide Impurity CS-T-07490 908259-42-7 Enquire
tert-Butyl L-N-(3-Benzyloxycarbonylamino-3-(S)-tert-butylcar... Impurity CS-T-50012 201283-53-6 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(3R,4S)-1-(4-Fluorophenyl)-2-oxo-4-[4-(benzyloxy)phenyl]-3-a... Intermediate CS-O-10625 204589-82-2 In Stock
1-BOC-3-ETHYNYL-3-METHYLAZETIDINE Intermediate CS-ED-42197 1363381-76-3 Enquire
3-(4-Bromophenyl)azetidine Intermediate CS-BL-00019 7215-01-2 Enquire
3-Azetidinecarboxylic Acid Intermediate CS-T-04515 36476-78-5 In Stock
3-Methoxy-3-phenylazetidine hydrochloride Intermediate CS-O-49644 1240528-45-3 Enquire
Methyl azetidine-3-carboxylate, HCl Intermediate CS-T-80212 100202-39-9 In Stock
tert-Butyl 3-(2-ethoxy-2-oxoethyl)-3-hydroxyazetidine-1-carb... Intermediate CS-O-49522 1823865-53-7 Enquire
Tert-butyl 3-(cyanomethylene)azetidine-1-carboxylate Intermediate CS-EM-00727 1153949-11-1 In Stock
tert-Butyl 3-hydroxy-3-(2-hydroxyethyl)azetidine-1-carboxyla... Intermediate CS-O-49523 1154760-04-9 Enquire
3-(3-Bromophenyl)azetidine Intermediate CS-BL-00020 1203681-56-4 Enquire
3-(3-Bromophenyl)azetidine hydrochloride Intermediate CS-BL-00021 1203683-81-1 Enquire
3-(4-Bromophenyl)azetidine hydrochloride Intermediate CS-O-51234 90561-74-3 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Azetidine-1-carbonyl chloride Fine Chemicals CS-O-50084 75485-12-0 Enquire
Methyl 2-azetidinecarboxylate Fine Chemicals CS-O-54523 134419-57-1 Enquire
(2R)-1-Phenyl-2-azetidinecarboxylic acid Fine Chemicals CS-O-38164 255883-30-8 Enquire
(2R,3S)-3-(hydroxymethyl)-2-methylazetidine-1-carboxylate Fine Chemicals CS-O-41210 2660253-86-9 Enquire
(2S)-1-Phenyl-2-azetidinecarboxylic acid Fine Chemicals CS-O-38165 255883-05-7 Enquire
2-(3,4-Difluorophenyl)-3,3-dimethylazetidine Fine Chemicals CS-O-41145 1783651-59-1 Enquire
3-(Fluoromethyl)azetidine hydrochloride Fine Chemicals CS-MM-51383 1642298-59-6 Enquire
3-Isopropoxyazetidine Hydrochloride Fine Chemicals CS-DJ-00841 871657-49-7 Enquire
3-Phenylazetidine Fine Chemicals CS-T-60381 4363-13-7 Enquire
4-METHYLAZETIDINE-2-CARBOXYLIC ACID Fine Chemicals CS-ZB-18491 1779725-63-1 Enquire
tert-butyl (2S,3R)-3-(hydroxymethyl)-2-methyl-azetidine-1-ca... Fine Chemicals CS-O-41185 2088511-47-9 Enquire
tert-butyl 3-(3-bromopropyl)azetidine-1-carboxylate Fine Chemicals CS-O-37774 2228416-37-1 Enquire
tert-Butyl 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)az... Fine Chemicals CS-ED-01312 2304635-53-6 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-nitrosoazetidine-3-carboxylic acid Nitrosamine CS-O-53193 102624-97-5 In Stock
methyl 1-nitrosoazetidine-3-carboxylate Nitrosamine CS-O-57013 ---- Enquire
N-Nitroso 3-Azetidinecarbonitrile Nitrosamine CS-O-58387 ---- Enquire
N-Nitroso-L-azetidine-2-Carboxylic Acid Nitrosamine CS-T-37189 30248-47-6 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Methylazetidine-d3 Stable Isotope Reagent CS-T-104001 19812-49-8(unlabelled) Enquire
3-Methoxy-1-methyl-3-azetidinecarboxylic acid-2,2,4,4-d4 Stable Isotope Reagent CS-O-54638 1892579-67-7 (Unlabelled) Enquire
tert-butyl 3-hydroxyazetidine-1-carboxylate-2,2,3,4,4-d5 Stable Isotope Reagent CS-O-47338 2294948-97-1 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-(1-Methylethoxy)azetidine Building Blocks CS-O-45937 871791-79-6 Enquire
3-(Cyclopentyloxy)azetidine Building Blocks CS-O-45923 1344282-98-9 Enquire
3-(Cyclopropylmethyl)azetidine Building Blocks CS-O-45938 1248411-37-1 Enquire
3-(Cyclopropylmethyl)azetidine hydrochloride Building Blocks CS-O-45939 2031258-91-8 Enquire
3-[[(3S)-Tetrahydro-3-furanyl]oxy]azetidine Building Blocks CS-O-45924 2088131-64-8 Enquire
3-cyclopropoxyazetidine Building Blocks CS-O-45931 1254645-35-6 Enquire
3-cyclopropoxyazetidine hydrochloride Building Blocks CS-O-45932 1254477-67-2 Enquire
1-Fmoc-(S)-azetidine-2-carboxylic acid Building Blocks CS-M-29847 136552-06-2 Enquire
1-Fmoc-azetidine-3-carboxylic acid Building Blocks CS-M-44254 193693-64-0 Enquire
3-(N-Boc-Aminoethyl)azetidine Building Blocks CS-M-44257 162696-31-3 Enquire
3-(N-Boc-Methylaminomethyl)azetidine Building Blocks CS-M-44258 1053655-53-0 Enquire
3-Isopropoxy-azetidine Building Blocks CS-TB-77272 871791-79-6 Enquire
3-N-Boc-amino-azetidine Building Blocks CS-AC-04765 91188-13-5 Enquire
Fmoc-trans-3-phenylazetidine-2-carboxylic acid Building Blocks CS-T-77510 204320-45-6 Enquire
N-BOC-3-(Propoxymethyl)azetidine Building Blocks CS-AC-04951 1373233-10-3 Enquire
tert-Butyl-L-N-benzyloxycarbonylazetidine-2-carboxylate Building Blocks CS-T-09286 153704-88-2 Enquire