Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Loratadine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Loratadine 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 Loratadine-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.
Our Loratadine-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.
Loratadine Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-Hydroxy Desloratadine D4 Hydrobromide | Stable Isotopes | CS-O-02970 | 119410-08-1(Unlabeled)(Freebase) | Enquire |
| 3-Hydroxy Desloratadine-d4 | Stable Isotopes | CS-TB-66983 | 1246819-99-7 | In Stock |
| 3-Hydroxy Loratadine-D4 | Stable Isotopes | CS-T-78397 | 1189452-79-6 | Enquire |
| 3-Hydroxydescarboethoxy-Loratadine-D6 | Stable Isotopes | CS-BU-00097 | Not Available | Enquire |
| 3-Methoxy Loratadine-d4 | Stable Isotopes | CS-T-57701 | 1189501-87-8 | Enquire |
| 3-Methoxy-N-methyldesloratadine D4 | Stable Isotopes | CS-T-57737 | 1189445-21-3 | Enquire |
| 5’-[(Desloratadine)methyl] Rupatadine-d8 | Stable Isotopes | CS-T-73540 | 1794669-33-2 | Enquire |
| 5-Hydroxy Desloratadine-d4 | Stable Isotopes | CS-T-103265 | 117811-12-8 (Unlabelled) | Enquire |
| 6-Hydroxy Desloratadine-d4 | Stable Isotopes | CS-T-103266 | 119410-05-8 (Unlabelled) | Enquire |
| Descarboethoxyloratadine-D6 diacetate | Stable Isotopes | CS-BU-00033 | Not Available | Enquire |
| Desloratadine (2,2,6,6,10)-D5 | Stable Isotopes | CS-O-16050 | 1246819-67-9 | Enquire |
| Desloratadine Citric Amide-d4 | Stable Isotopes | CS-T-96818 | 2714410-87-2 | Enquire |
| Desloratadine D5 | Stable Isotopes | CS-O-02713 | 1020719-34-9 | Enquire |
| Desloratadine-d1 N-Oxide | Stable Isotopes | CS-T-74099 | 1794817-18-7 | Enquire |
| Desloratadine-d4 | Stable Isotopes | CS-O-10056 | 381727-29-3 | In Stock |
| Desloratadine-d4 (piperidinylidene-3,3,5,5-d4) | Stable Isotopes | CS-C-01294 | 2713301-38-1 | Enquire |
| Desloratadine-d4 N-Carboxylic Acid Methyl Ester | Stable Isotopes | CS-T-100521 | 2732861-63-9 | Enquire |
| Desloratadine-d5 Hydrochloride | Stable Isotopes | CS-T-100520 | Not Available | Enquire |
| Desloratadine-d7 (major) | Stable Isotopes | CS-T-73322 | 1795024-82-6 | Enquire |
| Loratadine 13C6 | Stable Isotopes | CS-EK-00319 | 79794-75-5 unlabeled | Enquire |
| Loratadine-d4 | Stable Isotopes | CS-O-31235 | 381727-27-1 | In Stock |
| Loratadine-d4 (piperidinylidene-3,3,5,5-d4) | Stable Isotopes | CS-C-00782 | 79794-75-5(Unlabelled) | Enquire |
| Loratadine-d4 Epoxide N-Oxide | Stable Isotopes | CS-T-102892 | 1794754-14-5 | Enquire |
| Loratadine-d5 (2,3,4,5,5-d5) | Stable Isotopes | CS-T-102349 | 1020719-57-6 | In Stock |
| Loratadine-d5 (Ethyl-d5) | Stable Isotopes | CS-T-57296 | 1398065-63-8 | In Stock |
| N-Formyl Desloratadine-d4 | Stable Isotopes | CS-T-100283 | 2733538-51-5 | Enquire |
| N-Methyl Desloratadine-d5 | Stable Isotopes | CS-T-100025 | Not Available | Enquire |
| N-Nitroso Desloratadine-d4 | Stable Isotopes | CS-T-93987 | 2733579-31-0 | In Stock |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Desloratadine | API Standards | CS-O-00556 | 100643-71-8 | In Stock |
| Desloratadine Hemisulfate | API Standards | CS-ED-41814 | 731812-06-9 | In Stock |
| Loratadine | API Standards | CS-O-01778 | 79794-75-5 | In Stock |
Metabolites
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Hydroxymethyl Loratadine | Metabolites | CS-O-07891 | 609806-39-5 | In Stock |
| 3-Hydroxy Desloratadine | Metabolites | CS-O-05859 | 119410-08-1 | Enquire |
| 4-Hydroxymethyl Loratadine | Metabolites | CS-O-06123 | 609806-40-8 | In Stock |
| 4-Hydroxymethyl Loratadine Hydrochloride | Metabolites | CS-T-93627 | Not Available | In Stock |
| Loratadine N-Oxide | Metabolites | CS-O-05927 | 165739-62-8 | In Stock |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 11-Hydroxy Dihydro Desloratadine | Impurities | CS-T-78424 | 153200-97-6 | Enquire |
| 11-Hydroxy-N-methyl Dihydro Loratadine | Impurities | CS-T-55961 | 38089-93-9 | In Stock |
| 12-Fluoro Dihydroloratadine | Impurities | CS-P-08431 | 125743-79-5 | Enquire |
| 12-Hydroxy Loratadine | Impurities | CS-P-08432 | Not Available | Enquire |
| 2-(2-oxopyrrolidin-1-yl)butanoic anhydride | Impurities | CS-O-36554 | Not Available | Enquire |
| 2-Chloro Loratadine | Impurities | CS-T-72890 | 165739-64-0 | Enquire |
| 2-Formyl Loratadine | Impurities | CS-T-55044 | 1076198-15-6 | Enquire |
| 2-Methoxycarbonyl Loratadine | Impurities | CS-T-57646 | 860010-37-3 | Enquire |
| 3-Hydroxy Loratadine | Impurities | CS-T-56118 | 183483-15-0 | Enquire |
| 3-Methoxy Desloratadine | Impurities | CS-T-57668 | 165739-63-9 | Enquire |
| 4-Chloro Loratadine | Impurities | CS-T-50704 | 165739-83-3 | Enquire |
| 4-Formyl Loratadine | Impurities | CS-T-55045 | 1076198-16-7 | Enquire |
| 5'-[(Desloratadine)methyl] Rupatadine | Impurities | CS-T-52178 | 1224515-72-3 | In Stock |
| 8-Dechloro-10-chloro Desloratadine | Impurities | CS-T-73941 | 1346600-61-0 | Enquire |
| 8-Dechloro-10-chloro Loratadine | Impurities | CS-O-10168 | 1346605-16-0 | Enquire |
| 8-Dechloro-10-chloro-N-methyl Desloratadine | Impurities | CS-T-73184 | 38092-90-9 | Enquire |
| 8-Dechloro-7-chloro Desloratadine | Impurities | CS-T-73730 | 1346601-53-3 | Enquire |
| 8-Dechloro-7-chloro Loratadine | Impurities | CS-O-10169 | 1346602-19-4 | Enquire |
| 8-Dechloro-7-chloro-N-methyl Desloratadine | Impurities | CS-T-73250 | 1346600-30-3 | Enquire |
| 8-Dechloro-9-chloro Desloratadine | Impurities | CS-T-51687 | 117811-13-9 | Enquire |
| 8-Dechloro-9-chloro Loratadine | Impurities | CS-T-51688 | 109537-11-3 | Enquire |
| 8-Dechloro-9-chloro-N-methyl Desloratadine | Impurities | CS-T-51689 | 38092-88-5 | Enquire |
| 8-Deschloro-8-bromo Desloratadine | Impurities | CS-O-16658 | 117796-50-6 | Enquire |
| 8-Deschloro-8-bromo Loratadine | Impurities | CS-T-88604 | 130642-60-3 | Enquire |
| Dehydro Desloratadine | Impurities | CS-T-50913 | 117811-20-8 | Enquire |
| Dehydro Loratadine Isomer A | Impurities | CS-EO-02258 | 2470226-18-5 | Enquire |
| Deschloro Loratadine | Impurities | CS-T-88876 | 79779-58-1 | In Stock |
| Deschlorodesloratadine Hydrochloride | Impurities | CS-O-32471 | Not Available | In Stock |
| Desloratadine 11-Hydroxy N-Methyl Impurity | Impurities | CS-EO-03475 | 38089-93-9 (Freebase) | In Stock |
| Desloratadine 11-Hydroxy-N-Methyl Impurity(Mixture of isomer... | Impurities | CS-O-07773 | 38089-93-9 | Enquire |
| Desloratadine 8-Bromo-11-Hydroxy-N-Methyl Impurity | Impurities | CS-O-07775 | Not Available | Enquire |
| Desloratadine 8-Bromo-11-Oxo Impurity | Impurities | CS-O-07776 | 143540-56-1 | Enquire |
| Desloratadine Citric Amide | Impurities | CS-T-73339 | 1797131-43-1 | Enquire |
| Desloratadine Dehydro 11-Hydroxy N-Methyl Impurity | Impurities | CS-O-57149 | 117811-17-3 | In Stock |
| Desloratadine Dehydro 11-Oxo Impurity | Impurities | CS-EO-00141 | 117811-16-2 | In Stock |
| Desloratadine EP Impurity A | Impurities | CS-O-07778 | 298220-99-2 | In Stock |
| Desloratadine EP Impurity B | Impurities | CS-O-07779 | 183198-49-4 | In Stock |
| Desloratadine Epoxide | Impurities | CS-T-73103 | 1346604-23-6 | Enquire |
| Desloratadine Methanone Hydrochloride Impurity | Impurities | CS-O-54167 | 119770-60-4 | In Stock |
| Desloratadine N-Acetyl Impurity | Impurities | CS-O-07781 | 117796-52-8 | In Stock |
| Desloratadine N-Carboxylic Acid Methyl Ester | Impurities | CS-T-52179 | 165740-03-4 | In Stock |
| Desloratadine N-Formyl Impurity | Impurities | CS-O-07782 | 117810-61-4 | In Stock |
| Desloratadine N-Hydroxy Impurity | Impurities | CS-O-07783 | 1193725-73-3 | Enquire |
| Desloratadine N-Oxide | Impurities | CS-T-52177 | 169253-26-3 | In Stock |
| Desloratadine Related Compound B | Impurities | CS-O-49209 | 432543-89-0 | Enquire |
| Ethyl 2-(2-oxopyrrolidin-1-yl) butanoyl carbonate | Impurities | CS-O-36553 | Not Available | Enquire |
| Iso Desloratadine | Impurities | CS-T-56802 | 183198-49-4 | In Stock |
| Loratadine Cyano Impurity | Impurities | CS-O-32400 | 31255-57-9 | In Stock |
| Loratadine EP Impurity A | Impurities | CS-CB-00047 | 133284-74-9 | In Stock |
| Loratadine EP Impurity B | Impurities | CS-T-50635 | 31251-41-9 | In Stock |
| Loratadine EP Impurity E | Impurities | CS-O-03616 | 170727-59-0 | In Stock |
| Loratadine EP Impurity E HCl Salt | Impurities | CS-EO-03662 | 170727-59-0 (Freebase) | Enquire |
| Loratadine EP Impurity F | Impurities | CS-O-14709 | 125743-80-8 | In Stock |
| Loratadine EP Impurity G | Impurities | CS-O-07784 | 38092-89-6 | In Stock |
| Loratadine Impurity 15 | Impurities | CS-O-37177 | 125743-81-9 | Enquire |
| Loratadine Impurity 6 | Impurities | CS-P-08433 | 2183453-63-4 | Enquire |
| Loratadine Impurity 6 | Impurities | CS-T-50930 | 107256-32-6 | In Stock |
| Loratadine Impurity 9 | Impurities | CS-EO-02742 | 1449295-46-8 | Enquire |
| Loratadine Impurity E | Impurities | CS-T-52591 | 133330-60-6 | Enquire |
| N-Methyl Iso Desloratadine | Impurities | CS-T-58300 | 183198-48-3 | Enquire |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Desloratadine for system suitability (Y0001582) | EP Standards | CS-EG-00438 | 100643-71-8 | Enquire |
| Loratadine (Y0000688) | EP Standards | CS-EG-00674 | 79794-75-5 | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Cyano Loratadine | Intermediates | CS-T-51362 | 860010-31-7 | Enquire |
| 3-Methoxy Loratadine | Intermediates | CS-T-57700 | 165739-73-1 | Enquire |
| 3-Methoxy-N-methyldesloratadine | Intermediates | CS-T-57736 | 165739-72-0 | Enquire |
| 4-Cyano Loratadine | Intermediates | CS-T-51363 | 860010-33-9 | Enquire |
| 5-Hydroxy Desloratadine | Intermediates | CS-T-55937 | 117811-12-8 | Enquire |
| 8-Deschloro-8-bromo-N-methyl Desloratadine | Intermediates | CS-T-52065 | 130642-57-8 | In Stock |
| Boc-Desloratadine | Intermediates | CS-Y-00096 | 1309283-27-9 | In Stock |
| Desloratadine Methanone Impurity | Intermediates | CS-O-10581 | 130642-50-1 | In Stock |
| Loratadine Epoxide | Intermediates | CS-T-57297 | 1189694-51-6 | Enquire |
Glucuronides
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-Hydroxy Desloratadine-β-D-Glucuronide | Glucuronides | CS-T-55936 | 774538-89-5 | Enquire |
| 6-Hydroxy Desloratadine β-D-Glucuronide | Glucuronides | CS-O-49082 | 956126-16-2 | Enquire |
| Loratadine glucose adduct 1 | Glucuronides | CS-O-58221 | Not Available | Enquire |
| Loratadine glucose adduct 2 | Glucuronides | CS-O-58222 | Not Available | Enquire |