Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Citric, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Citric 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 Citric-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 Citric-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.
Citric Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| "Citric acid-2,4-13C2" | Stable Isotopes | CS-T-72853 | 121633-50-9 | Enquire |
| 2-Methylcitric Acid-d3 | Stable Isotopes | CS-T-79926 | 146764-58-1 | Enquire |
| Desloratadine Citric Amide-d4 | Stable Isotopes | CS-T-96818 | 2714410-87-2 | Enquire |
| Mosapride-d5 Citric Amide | Stable Isotopes | CS-T-82780 | 1329797-02-5 | Enquire |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Mosapride Citric Amide Disodium Salt | API Standards | CS-T-93821 | 1215825-20-9 (Free base) | Enquire |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (-)-Hydroxycitric acid Calcium salt | Impurities | CS-E-00926 | Not Available | Enquire |
| (+)-Hydroxycitric acid lactone | Impurities | CS-E-00927 | 27750-13-6 | Enquire |
| Aminocaproic Acid Citric Acid Adduct | Impurities | CS-O-37195 | Not Available | In Stock |
| Citric Acid (3-Methanethiosulfonate Ethyl Amide) | Impurities | CS-T-72249 | 1797099-42-3 | Enquire |
| Citric acid Aminocaproic acid adduct | Impurities | CS-O-46991 | Not Available | Enquire |
| Dapagliflozin Citric Acid (mixture of isomers) | Impurities | CS-O-58982 | Not Available | Enquire |
| Deformyl Formoterol Citric acid adduct | Impurities | CS-O-43273 | Not Available | Enquire |
| Desloratadine Citric Amide | Impurities | CS-T-73339 | 1797131-43-1 | Enquire |
| Mosapride Citric Amide | Impurities | CS-P-01806 | 1215825-20-9 | Enquire |
| OSELTAMIVIR CITRIC ACID ADDUCT | Impurities | CS-T-93528 | Not Available | In Stock |
| OSELTAMIVIR CITRIC ACID ADDUCT 2 | Impurities | CS-O-34386 | Not Available | Enquire |
| OSELTAMIVIR CITRIC ACID ADDUCT II | Impurities | CS-O-45307 | Not Available | Enquire |
| Oxolamine Citric Acid | Impurities | CS-O-30712 | 1949-20-8 | In Stock |
| Palbociclib Citric acid adduct | Impurities | CS-O-38015 | Not Available | Enquire |
| Tofacitinib Dihydro Citricacid salt impurity | Impurities | CS-O-44098 | 1809002-40-1 | Enquire |
| Trisodium Isocitric Acid (Mixture of Isomers) | Impurities | CS-T-45888 | 1637-73-6 | In Stock |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Citric acid monohydrate (C2219000) | EP Standards | CS-EG-01029 | 5949-29-1 | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| ALLO-2-hydroxycitric acid | Intermediates | CS-ED-41139 | 27750-11-4 | Enquire |
| Citric Acid 1,2-Diethyl Ester | Intermediates | CS-T-13033 | 19958-02-2 | Enquire |
| Citric Acid tert-Butyl Ester | Intermediates | CS-T-51163 | 114340-52-2 | Enquire |
| Hydroxycitric Acid TriPotassium Salt Monohydrate | Intermediates | CS-T-55781 | 232281-44-6 | In Stock |
| Isocitric Acid | Intermediates | CS-P-00893 | 320-77-4 | Enquire |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Citric Acid | Fine Chemicals | CS-T-51162 | 77-92-9 | In Stock |
| Citric acid monohydrate | Fine Chemicals | CS-O-05633 | 5949-29-1 | In Stock |
| Hydroxycitric acid | Fine Chemicals | CS-ZG-97784 | 6205-14-7 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 2-Methylcitric Acid | Building Blocks | CS-O-10343 | 6061-96-7 | In Stock |