Trimethoprim Impurity 1 CAS 93885-69-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 93885-69-9 |
| Molecular Formula | C14H16N2O5 |
| Molecular Weight | 292.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Trimethoprim Impurity 1 (CAS 93885-69-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H16N2O5. Molecular weight: 292.29 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H16N2O5 |
| Molecular Weight | 292.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 2 |
Related Trimethoprim Standards
- Trimethoprim EP Impurity D (CAS 92440-76-1)
- Trimethoprim EP Impurity E (CAS 60729-91-1)
- Trimethoprim-13C3 (CAS 1189970-95-3)
- Trimethoprim-d3 (CAS 1189923-38-3)
- Trimethoprim (CAS 738-70-5)
- Trimethoprim-d9 (CAS 1189460-62-5)
- Trimethoprim EP Impurity B (CAS 30806-86-1)
- Trimethoprim EP Impurity A (CAS 213745-86-9)
Recommended Standards
- tert-Butyl 3-(hydroxymethyl)-7-nitro-1H-indole-1-carboxylate (CAS 914349-15-8)
- Solifenacin Impurity 34 (CAS 1243274-81-8)
- tert-Butyl 3-(hydroxymethyl)-5-nitro-1H-indole-1-carboxylate (CAS 914349-07-8)
- 5-Methylpyrazine-2-carbohydrazide (CAS 37545-33-8)
- Tetrabutylammonium hydroxide 30 hydrate (CAS 147741-30-8)
- 4-(3-Hydroxyprop-1-yn-1-yl)benzaldehyde (CAS 80151-10-6)
- Ethylene dichloroformate (CAS 124-05-0)
- 1-Fluoro-3,5-bis(bromomethyl)benzene (CAS 19254-80-9)
- 1-(2-methyl-2H-indazol-5-yl)ethan-1-one (CAS 1159511-28-0)
- Neuropeptide W-23 (human) (CAS 383415-79-0)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com