Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Citalopram, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Citalopram 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 Citalopram-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 Citalopram-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.
Citalopram Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (S)-N-Desmethyl Citalopram Hydrochloride-d3 | Stable Isotopes | CS-T-97622 | Not Available | Enquire |
| 4-[4-(dimethyl-d6-amino)-1-(4-fluorophenyl)-1-buten-1-yl]-3-... | Stable Isotopes | CS-T-98728 | Not Available | Enquire |
| 5-Bromodescyano Citalopram-d4 | Stable Isotopes | CS-T-101789 | Not Available | Enquire |
| Acetyl Citalopram-d6 Oxalate | Stable Isotopes | CS-T-94318 | 637026-02-9 Unlabelled | Enquire |
| Citalopram Carboxylic Acid Hydrobromide-d6 (Impurity) | Stable Isotopes | CS-T-100611 | 440121-09-5(Unlabelled free base) | Enquire |
| Descyano Citalopram-d4 | Stable Isotopes | CS-T-100531 | 390817-87-5 (unlabelled) | Enquire |
| N-Chloromethyl Citalopram-d6 Chloride | Stable Isotopes | CS-T-97696 | Not Available | Enquire |
| N-Nitroso-Desmethyl Escitalopram-d3 | Stable Isotopes | CS-O-53621 | Not Available | In Stock |
| rac Desmethyl Citalopram-d4 Hydrobromide | Stable Isotopes | CS-T-95086 | 1188264-72-3(Unlabelled) | Enquire |
| (S)-Didemethyl Citalopram-d6 Hydrochloride | Stable Isotopes | CS-T-97604 | Not Available | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Citalopram oxalate | API | CS-T-96131 | 207559-01-1 | In Stock |
Metabolite
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (S)-Didemethyl Citalopram Hydrochloride | Metabolite | CS-T-96158 | 166037-78-1 (Freebase) | Enquire |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-Nitrophthalimide | Impurity | CS-DJ-01125 | 89-40-7 | In Stock |
| 5-Cyanophthalide | Impurity | CS-O-06295 | 82104-74-3 | In Stock |
| Citalopram Chloromethyl Quartenary Ammonium Salt | Impurity | CS-O-42730 | ---- | Enquire |
| Citalopram Dihydroxy Impurity | Impurity | CS-O-32120 | 103146-26-5 | In Stock |
| Citalopram EP Impurity C-HCL | Impurity | CS-O-38536 | 2469734-61-8 | In Stock |
| Citalopram EP Impurity E (Oxalate salt) | Impurity | CS-EO-03448 | 1329612-81-8 | Enquire |
| Citalopram EP Impurity F (Oxalate salt) | Impurity | CS-EO-03447 | 64372-43-6 | Enquire |
| Citalopram EP Impurity G Oxalate salt | Impurity | CS-O-49018 | 1440961-12-5 | Enquire |
| Citalopram Hydrobromide - Impurity G (Dihydrobromide salt) | Impurity | CS-O-39778 | 2575516-42-4 | Enquire |
| Citalopram Impurity 18 | Impurity | CS-O-52543 | 1370643-23-4 | Enquire |
| Citalopram Related Compound C | Impurity | CS-EO-02044 | 1440961-11-4 | In Stock |
| Escitalopram EP Impurity I (oxalate salt) | Impurity | CS-EO-03540 | 920282-75-3 (Freebase) | Enquire |
| Escitalopram USP Related Compound A | Impurity | CS-O-32121 | 128173-53-5 | In Stock |
| N-Desmethylcitalopram Maleate | Impurity | CS-B-00258 | 62498-67-3(freebase) | Enquire |
| Desfluorocitalopram | Impurity | CS-EO-00623 | 1026009-77-7 | Enquire |
| Escitalopram Desfluoro Impurity | Impurity | CS-O-38770 | 1346617-30-8 | Enquire |
| Escitalopram EP Impurity I | Impurity | CS-EO-01560 | 1370643-22-3 | Enquire |
| Escitalopram Impurity 4 | Impurity | CS-EO-00978 | Not Available | Enquire |
| Oxime Impurity of Escitalopram Oxalate | Impurity | CS-T-94233 | 227954-88-3 | Enquire |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-Bromo-4-fluorobenzene | Intermediate | CS-M-58431 | 460-00-4 | In Stock |
| 3-N,N-(dimethylamino)propyl chloride Hydrochloride | Intermediate | CS-CS-00006 | 5407-04-5 | In Stock |
Fine Chemicals
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Fluorobenzene | Fine Chemicals | CS-T-23884 | 462-06-6 | Enquire |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Desmthyl N-Nitroso-Escitalopram Impurity A | Nitrosamine | CS-EO-02123 | Not Available | Enquire |
| Nitroso Impurity of R-Escitalopram | Nitrosamine | CS-SN-00186 | ---- | Enquire |
| N-Nitroso-desmethyl Escitalopram Impurity (Mixture of isomer... | Nitrosamine | CS-O-42921 | ---- | In Stock |
| N-Nitroso-desmethyl Escitalopram Impurity C | Nitrosamine | CS-EO-02124 | Not Available | Enquire |
Secondary Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Citalopram Hydrobromide | Secondary Standards | CS-SS-24605-1GM | 59729-32-7 | Enquire |
| Citalopram Hydrobromide | Secondary Standards | CS-SS-24605 | 59729-32-7 | Enquire |
| Citalopram Related Compound A | Secondary Standards | CS-SS-24833-50MG | 64372-56-1 | Enquire |
| Citalopram Related Compound B | Secondary Standards | CS-SS-26364-50MG | 1332724-03-4 | Enquire |
| Citalopram Related Compound C | Secondary Standards | CS-SS-24834-50MG | 1440961-11-4 | Enquire |
| Citalopram Related Compound D | Secondary Standards | CS-SS-24835-30MG | 97743-99-2 | Enquire |
| Citalopram Related Compound E | Secondary Standards | CS-SS-24836-50MG | 62498-71-9 | Enquire |
| Citalopram Related Compound G | Secondary Standards | CS-SS-24837-25MG | 1332724-08-9 | Enquire |
| Escitalopram Oxalate | Secondary Standards | CS-SS-24682-1GM | 219861-08-2 | Enquire |
| Escitalopram Related Compound A | Secondary Standards | CS-SS-26161-50MG | 128173-53-5 | Enquire |
Analytical Standard
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| N-Nitroso-desmethyl Escitalopram Impurity (Mixture of isomer... | Analytical Standard | CS-O-42921-10MG | ---- | Enquire |
| N-nitroso-desmethyl-escitalopram-100 PPM in Acetonitrile | Analytical Standard | CS-O-42921-1.5ML | ---- | Enquire |
| N-Nitroso Desmethylcitalopram | Analytical Standard | CS-O-39940-10MG | Not Available | Enquire |
| N-nitroso-desmethyl-citalopram-100 PPM in Acetonitrile | Analytical Standard | CS-O-39940-1.5ML | Not Available | Enquire |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Citalopram for system suitability CRS (Contaning B,D & G) | EP Standards | CS-EG-03340 | Not Available | Enquire |