Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Chloroquine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Chloroquine 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 Chloroquine-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 Chloroquine-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.
Chloroquine Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R)-(-)-Hydroxy Chloroquine-d4 Diphosphate | Stable Isotopes | CS-T-97448 | 158749-75-8(Unlabelled) | Enquire |
| (R)-(-)-Hydroxy Chloroquine-d5 Diphosphate | Stable Isotopes | CS-T-97447 | Not Available | Enquire |
| (S)-(+)-Hydroxy Chloroquine-d4 Diphosphate | Stable Isotopes | CS-T-97446 | Not Available | Enquire |
| (S)-(+)-Hydroxy Chloroquine-d5 Diphosphate | Stable Isotopes | CS-T-97445 | 158749-76-9(Unlabelled) | Enquire |
| Chloroquine D4 | Stable Isotopes | CS-O-35677 | 1246815-14-4 | Enquire |
| Chloroquine d5 | Stable Isotopes | CS-O-47498 | Not Available | Enquire |
| Chloroquine D5 Diphosphate | Stable Isotopes | CS-O-13033 | 1854126-42-3 | Enquire |
| Chloroquine diphosphate salt D10 | Stable Isotopes | CS-CX-00227 | 1261396-19-3 | Enquire |
| Chloroquine-d4 Phosphate Salt | Stable Isotopes | CS-T-93834 | 1246815-14-4 | In Stock |
| Desethyl Chloroquine D4 | Stable Isotopes | CS-T-52089 | 1189971-72-9 | Enquire |
| Desethyl chloroquine-D5 | Stable Isotopes | CS-O-14936 | 1261397-17-4 | Enquire |
| Desethyl hydroxychloroquine-d4 | Stable Isotopes | CS-O-37600 | 1854126-47-8 | Enquire |
| Desethylchloroquine diphosphate salt 13C6 | Stable Isotopes | CS-EK-00086 | 247912-76-1 unlabeled | Enquire |
| Desethylchloroquine-D5 | Stable Isotopes | CS-O-14940 | 1261392-69-1 | Enquire |
| Didesethyl Chloroquine D4 | Stable Isotopes | CS-T-52738 | 1215797-41-3 | Enquire |
| Didesethyl Chloroquine Hydroxyacetamide-d4 | Stable Isotopes | CS-T-52740 | 1216956-86-3 | Enquire |
| Hydroxy Chloroquine-d4 Sulfate | Stable Isotopes | CS-O-02972 | 1216432-56-2 | In Stock |
| HYDROXYCHLOROQUINE DIOXALATE SALT | Stable Isotopes | CS-SN-00042 | 118-42-3(free base) | Enquire |
| Hydroxychloroquine-d4 | Stable Isotopes | CS-EO-02368 | 1216432-55-1 | Enquire |
| Hydroxychloroquine-D4 (ethan-1,1,2,2-d4-1-ol) Sulfate | Stable Isotopes | CS-O-35300 | 1854126-45-6 | Enquire |
| Hydroxychloroquine-d4 O-Sulfate | Stable Isotopes | CS-T-99222 | Not Available | Enquire |
| Hydroxychloroquine-D4 O-Sulfate Sodium Salt | Stable Isotopes | CS-O-34967 | 103152-84-7 (free base, Unlabeled) | Enquire |
| Hydroxychloroquine-D5 sulfate | Stable Isotopes | CS-O-14939 | 747-36-4 Unlabeled | Enquire |
| N-Acetyl Desethyl Chloroquine-d4 | Stable Isotopes | CS-T-64576 | 1216619-20-3 | Enquire |
| N-Didestethyl Chloroquine-d4 Phthalimide | Stable Isotopes | CS-EO-02535 | Not Available | Enquire |
| R-Hydroxychloroquine-d4 | Stable Isotopes | CS-O-13036 | 137433-23-9(Unlabeld) | Enquire |
| S-Hydroxychloroquine-d4 | Stable Isotopes | CS-O-13034 | 137433-24-0(Unlabeled) | Enquire |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Chloroquine | API Standards | CS-CX-00225 | 54-05-7 | In Stock |
| Chloroquine diphosphate | API Standards | CS-O-06225 | 50-63-5 | In Stock |
| Chloroquine Diphosphate Hydrate | API Standards | CS-EO-03418 | 29791-25-1 | Enquire |
| Chloroquine Sulfate | API Standards | CS-O-01092 | 132-73-0 | In Stock |
| Hydroxychloroquine | API Standards | CS-O-15317 | 118-42-3 | In Stock |
| Hydroxychloroquine sulphate | API Standards | CS-O-01630 | 747-36-4 | In Stock |
Metabolites
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Chloroquine analog | Metabolites | CS-CX-00226 | 85-10-9 | Enquire |
| Chloroquine Dihydrochloride | Metabolites | CS-O-13032 | 3545-67-3 | Enquire |
| Desethylchloroquine diphosphate salt | Metabolites | CS-EK-00177 | 247912-76-1 | Enquire |
| Didesethyl Chloroquine | Metabolites | CS-T-17957 | 4298-14-0 | Enquire |
| Hydroxychloroquine O-Sulfate Sodium Salt | Metabolites | CS-T-93694 | 103152-84-7 | Enquire |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Bidesethylchloroquine | Impurities | CS-O-37601 | Not Available | Enquire |
| Chloroquine N-oxide | Impurities | CS-O-56718 | 68121-48-2 | Enquire |
| Chloroquine Related Compound G | Impurities | CS-P-08478 | 68121-48-2 (free base) | Enquire |
| de-ethylhydroxychloroquine sulphate | Impurities | CS-O-47358 | Not Available | Enquire |
| Didesethyl Chloroquine Hydroxyacetamide | Impurities | CS-T-52739 | 1159977-30-6 | Enquire |
| Hydroxychloroquine Dimer | Impurities | CS-O-35932 | 2732209-42-4 | Enquire |
| Hydroxychloroquine Dimer Di HCl | Impurities | CS-EO-00513 | 2732209-42-4 (Freebase) | Enquire |
| Hydroxychloroquine EP Impurity C | Impurities | CS-T-13091 | 4298-15-1 | In Stock |
| Hydroxychloroquine EP impurity F Hydrochloride | Impurities | CS-EO-03610 | 6281-58-9 (Freebase) | Enquire |
| Hydroxychloroquine Impurity 18 | Impurities | CS-O-59904 | Not Available | Enquire |
| Hydroxychloroquine N-Oxide Impurity | Impurities | CS-O-15325 | 1449223-88-4 | In Stock |
| Hydroxychloroquine O-Sulfate Sulphate salt | Impurities | CS-O-52146 | Not Available | Enquire |
| Hydroxychloroquine sulfate Impurity 59 | Impurities | CS-O-59668 | 873969-89-2 | Enquire |
| Hydroxychloroquine sulfate Impurity 69 | Impurities | CS-O-59651 | 500590-08-9 | Enquire |
| N-Desethyl Chloroquine Hydrochloride | Impurities | CS-T-15919 | 4298-11-7 | In Stock |
| N-Nitroso Chloroquine | Impurities | CS-O-38897 | Not Available | Enquire |
| N-Nitroso Desethyl Chloroquine | Impurities | CS-O-41379 | Not Available | In Stock |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Hydroxychloroquine for system suitability | EP Standards | CS-EG-02416 | 747-36-4 | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R)-Desethylchloroquine | Intermediates | CS-ED-26171 | 106848-88-8 | Enquire |
| Chloroquine 4-acetaminosalicylate | Intermediates | CS-AD-00252 | 58-77-5 | Enquire |
| Desethyl Chloroquine | Intermediates | CS-T-15710 | 1476-52-4 | In Stock |
| Hydroxychloroquine O-Sulfate | Intermediates | CS-T-26955 | 103152-84-7 | Enquire |
| Hydroxychloroquine sulfate impurity E | Intermediates | CS-T-51045 | 10500-64-8 | Enquire |
Glucuronides
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Hydroxychloroquine-O-Beta-D-Glucuronide | Glucuronides | CS-O-45777 | 2439157-39-6 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Chloroquine sulfate | Fine Chemicals | CS-ZG-09044 | 132-73-0 | Enquire |