Trimethoprim, 98%
Order Trimethoprim, 98% (CAS 738-70-5) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity ≥98%.
About Trimethoprim, 98%
Trimethoprim, 98% is part of the Zemixal antibiotics & Antimycotics for Research range. For your records (Puriss), the material is defined by CAS 738-70-5, formula C14H18N4O3 and molar mass 290.32 g/mol. Typical appearance is white powder.
Where it is used
- Selection in cell culture
- Microbiology research
- Antimicrobial studies
Storage and safety notes
Physical constants on file: melting point 199-205 °C. Hazard communication follows GHS (Danger: H302, H361, H372 and H411). Our SDS lists exposure controls and first-aid measures.
Standard pack sizes are 5 g, 25 g, 100 g and 1 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Selection in cell culture
- Microbiology research
- Antimicrobial studies
Applications
Specifications and identifiers
| Product name | Trimethoprim, 98% |
|---|---|
| Catalogue number | ZX-003753 |
| CAS number | 738-70-5 |
| IUPAC name | 5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine |
| Molecular formula | C14H18N4O3 |
| Molar mass | 290.32 g/mol |
| Exact mass | 290.1379 |
| Grade | Puriss |
| Purity / assay | ≥98% |
| Physical form | Powder |
| Appearance | White powder |
| Melting point | 199-205 °C |
| XLogP3 | 0.9 |
| H-bond donors / acceptors | 2 / 7 |
| Topological polar surface area | 106 Ų |
| HS code | 29335920 |
| InChIKey | IEDVJHCEMCRBQM-UHFFFAOYSA-N |
| SMILES | COC1=CC(=CC(=C1OC)OC)CC2=CN=C(N=C2N)N |
| PubChem CID | 5578 |
| Synonyms | 2,4-Diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine, Trimpex 200, BW 56-72, NIH 204, Trimogal, 2,4-Pyrimidinediamine, 5-[(3,4,5-trimethoxyphenyl)methyl]-, BW-56-72, 5-(3,4,5-Trimethoxybenzyl)-2,4-diaminopyrimidine, NIH-204, 5-[(3,4,5-Trimethoxyphenyl)methyl]-2,4-pyrimidinediamine, 2,4-Pyrimidinediamine, 5-((3,4,5-trimethoxyphenyl)methyl)-, Pyrimidine, 2,4-diamino-5-(3,4,5-trimethoxybenzyl)- |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H302Harmful if swallowed
- H361Suspected of damaging fertility or the unborn child
- H372Causes damage to organs through prolonged or repeated exposure
- H411Toxic to aquatic life with long lasting effects
Precautionary statements P203, P260, P264, P270, P273, P280, P301 + P317, P318, P319, P330, P391, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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