Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Trimethoprim, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Trimethoprim 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 Trimethoprim-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 Trimethoprim-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.
Trimethoprim Related Compounds
Stable Isotopes
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 4-Desmethoxy-4-bromo Trimethoprim-d3 | Stable Isotopes | CS-T-73697 | 1346600-27-8 | Enquire |
| 4-Hydroxy Trimethoprim-13C3 | Stable Isotopes | CS-T-101039 | 1391053-67-0 | Enquire |
| 4-Hydroxy Trimethoprim-d9 | Stable Isotopes | CS-T-101038 | 1794752-40-1 | Enquire |
| 4-O-Desmethyl 4-O-Ethyl Trimethoprim-D5 | Stable Isotopes | CS-T-96815 | Not Available | Enquire |
| Trimethoprim-13C3 | Stable Isotopes | CS-T-88164 | 1189970-95-3 | Enquire |
| Trimethoprim-15N3 | Stable Isotopes | CS-T-100994 | Not Available | Enquire |
| Trimethoprim-d9 | Stable Isotopes | CS-O-02914 | 1189460-62-5 | In Stock |
| α-Hydroxy Trimethoprim-D3 (Major) | Stable Isotopes | CS-T-96797 | Not Available | Enquire |
API Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Syringaldehyde | API Standards | CS-T-87281 | 134-96-3 | In Stock |
| Trimethoprim | API Standards | CS-O-02487 | 738-70-5 | In Stock |
Impurities
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| 3-Desmethoxy-3-bromo Trimethoprim | Impurities | CS-T-16091 | 16285-82-8 | Enquire |
| 3-Desmethyl Trimethoprim | Impurities | CS-T-16505 | 27653-69-6 | Enquire |
| 4-Demethyltrimethoprim | Impurities | CS-T-15135 | 21253-58-7 | Enquire |
| 4-Hydroxy Trimethoprim | Impurities | CS-T-28866 | 112678-48-5 | Enquire |
| N2-Methyl Trimethoprim (Impurity) | Impurities | CS-T-35337 | 213745-86-9 | Enquire |
| N-Nitroso Trimethoprim EP Impurity A | Impurities | CS-EO-02722 | Not Available | Enquire |
| Trimethoprim 1-N-oxide | Impurities | CS-O-33931 | 27653-68-5 | Enquire |
| Trimethoprim EP Impurity C | Impurities | CS-T-56515 | 29606-06-2 | Enquire |
| Trimethoprim EP Impurity D | Impurities | CS-T-03580 | 92440-76-1 | Enquire |
| Trimethoprim EP Impurity E | Impurities | CS-T-03586 | 60729-91-1 | Enquire |
| Trimethoprim EP Impurity G | Impurities | CS-T-16503 | 78025-68-0 | Enquire |
| Trimethoprim EP Impurity H | Impurities | CS-T-35305 | 1916-07-0 | In Stock |
| Trimethoprim EP Impurity I(Mixture of cis/trans Isomers) | Impurities | CS-T-48268 | 30078-48-9 | In Stock |
| Trimethoprim Impurity B | Impurities | CS-P-00200 | 30806-86-1 | Enquire |
| Trimethoprim Impurity C | Impurities | CS-P-00198 | 29606-06-2 | Enquire |
| Trimethoprim Impurity G | Impurities | CS-P-00199 | 78025-68-0 | Enquire |
| Trimethoprim Keto Analogue | Impurities | CS-T-45595 | 30806-86-1 | In Stock |
| Trimethoprim N-oxide | Impurities | CS-O-33930 | 27653-67-4 | Enquire |
EP Standards
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| Trimethoprim (Secondary Standards traceble to EP) | EP Standards | CS-ER-02918 | 738-70-5 | Enquire |
| Trimethoprim (T2200000) | EP Standards | CS-EG-01761 | 738-70-5 | Enquire |
| Trimethoprim for system suitability (Y0000684) | EP Standards | CS-EG-00627 | Not Available | Enquire |
Intermediates
| COMPOUND | CATEGORY | CAT. No. | CAS. No. | STOCK STATUS |
|---|---|---|---|---|
| "4-Demethyl N,N’-Bis-Boc-Trimethoprim" | Intermediates | CS-T-73643 | 1346602-22-9 | Enquire |
| Trimethoprim lactate | Intermediates | CS-DK-00035 | 23256-42-0 | In Stock |