Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Tryptophan, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Tryptophan 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 Tryptophan-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 Tryptophan-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.
Tryptophan Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 5-Hydroxy-L-tryptophan-4,6,7-d3 | Stable Isotopes | CS-T-102935 | 1276197-29-5 | Enquire |
| DL-Tryptophan D8 | Stable Isotopes | CS-O-15401 | 1233395-85-1 | Enquire |
| DL-Tryptophan-d5 (major) | Stable Isotopes | CS-T-96856 | 54-12-6 | Enquire |
| N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-1-methyl-L-tryptophan-d... | Stable Isotopes | CS-T-96959 | Not Available | Enquire |
| N1-Nitroso Tryptophan-d5 | Stable Isotopes | CS-O-58641 | 68807-89-6(Unlabeled) | Enquire |
API
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| D-Tryptophan | API | CS-T-46073 | 153-94-6 | In Stock |
| Tryptophan | API | CS-M-26965 | 54-12-6 | In Stock |
Impurity
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| (R)-3-(1H-indol-3-yl)-2-ureidopropionic acid | Impurity | CS-O-48472 | 54896-75-2 | Enquire |
| 4-Bromo-L-tryptophan | Impurity | CS-O-57883 | 52448-16-5 | Enquire |
| 4-Chloro-L-tryptophan | Impurity | CS-O-57884 | 52448-14-3 | Enquire |
| 4-Methoxy-L-tryptophan | Impurity | CS-O-57882 | 406938-53-2 | Enquire |
| 5-Hydroxyindole-3-acetic Acid | Impurity | CS-T-28695 | 54-16-0 | In Stock |
| N-Acetyl-L-Tryptophan | Impurity | CS-T-46885 | 1218-34-4 | In Stock |
| Tryptophan Cyclized impurity | Impurity | CS-T-94477 | 40856-80-2 | In Stock |
| Tryptophan EP Impurity A | Impurity | CS-T-54496 | 132685-02-0 | In Stock |
| Tryptophan EP Impurity D | Impurity | CS-O-14183 | 56-69-9 | In Stock |
| Tryptophan EP Impurity E | Impurity | CS-O-44595 | 3978-11-8 | Enquire |
| Tryptophan EP Impurity I | Impurity | CS-N-00398 | 5470-37-1 | In Stock |
Intermediate
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| D-Tryptophan Methyl Ester Hydrochloride | Intermediate | CS-M-57693 | 14907-27-8 | In Stock |
| N-Acetyl-DL-Tryptophan | Intermediate | CS-AC-04787 | 87-32-1 | In Stock |
Nitrosamine
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-Nitroso-L-tryptophan | Nitrosamine | CS-O-44124 | 68807-89-6 | In Stock |
| 1-Nitroso-L-tryptophan Methyl ester | Nitrosamine | CS-O-44941 | ---- | In Stock |
| DL-N-Acetyl-1-nitrosyltryptophan | Nitrosamine | CS-O-48188 | 53602-74-7 | In Stock |
| Methyl 1-nitroso-D-tryptophanate | Nitrosamine | CS-O-49174 | Not Available | Enquire |
| N-Nitroso D-Tryptophan | Nitrosamine | CS-EO-04022 | Not Available | Enquire |
| N-Nitroso- Tryptophan EP Impurity H | Nitrosamine | CS-O-52593 | ---- | In Stock |
| N-Nitroso- Tryptophan EP Impurity I | Nitrosamine | CS-O-52589 | 23708-74-9 | In Stock |
Peptide
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Acetyl-tryptophan Lanreotide | Peptide | CS-O-54461 | ---- | Enquire |
| N-(1-Oxo-6-phenylhexyl)glycyl-L-tryptophanamide | Peptide | CS-ED-42054 | 678996-63-9 | Enquire |
Building Blocks
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 1-Boc-L-tryptophan | Building Blocks | CS-O-48357 | 146645-63-8 | Enquire |
| N-Carbobenzyloxy-DL-tryptophan | Building Blocks | CS-O-51646 | 13058-16-7 | Enquire |
Deuterated Reagents
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| L-Tryptophan d5 | Deuterated Reagents | CS-O-14189 | 62595-11-3 | In Stock |