Molekula
Trimethoprim lactate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Trimethoprim lactate is a synthetic antibacterial agent used in the treatment of bacterial infections, particularly in combination with sulfonamides. It functions by inhibiting bacterial dihydrofolate reductase, disrupting folic acid synthesis. Available in powder form with a molecular formula of C14H18N4O3·C3H6O3, a molecular weight of 380.40 g/mol, and a CAS number of 23256-42-0. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Trimethoprim lactate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £30.90 per pack ex VAT · £37.08 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| pH | 4.5 - 6.0 |
| Loss on Drying | ≤1.0% |
| Assay | ≥98% |
| Sulphated Ash | ≤0.2% |
| Residue on Ignition | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 66497422 |
| CAS Number | 23256-42-0 |
| IUPAC Name | 2-hydroxypropanoic acid;5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine |
| EC Number | 245-533-1 |
| Molecular Formula | C14H18N4O3·C3H6O3 |
| Molecular Weight | 380.40 |
| Exact Mass | 380.1696 |
| SMILES | CC(C(=O)O)O.COC1=CC(=CC(=C1OC)OC)CC2=CN=C(N=C2N)N |
| InChIKey | IIZVTUWSIKTFKO-UHFFFAOYSA-N |
| InChI | InChI=1S/C14H18N4O3.C3H6O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15;1-2(4)3(5)6/h5-7H,4H2,1-3H3,(H4,15,16,17,18);2,4H,1H3,(H,5,6) |
| PubChem CID | 3084396 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 2933599500 |
| Tariff Code | 2933599590 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H301 Toxic if swallowed
- H312 Harmful in contact with skin
- H332 Harmful if inhaled
- H361d Suspected of damaging fertility. Suspected of damaging the unborn child.
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2-hydroxypropanoic acid;5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine
- 2-oxidanylpropanoic acid
- 2,4-DIAMINO-5-(3,4,5-TRIMETHOXYBENZYL)PYRIMIDINE LACTATE
- 5-(3,4,5-Trimethoxybenzyl)pyrimidine-2,4-diamine 2-hydroxypropanoate
- IIZVTUWSIKTFKO-UHFFFAOYSA-N
- LACTOTRIM
- Opera_ID_705
- Trimethoprim lactate salt
- Trimethoprim lactic Acid
- Wellcoprim (TN)
Frequently asked questions
What is Trimethoprim lactate used for?
Trimethoprim lactate is used in pharmaceutical formulations as an antibacterial agent, typically in combination with sulfonamides to treat bacterial infections.
What is the chemical formula and molecular weight of Trimethoprim lactate?
The formula is C14H18N4O3·C3H6O3 and the molecular weight is 380.40 g/mol.
How should Trimethoprim lactate be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade of Trimethoprim lactate is available?
Molekula supplies Trimethoprim lactate as a research-grade active pharmaceutical ingredient.
Can Molekula supply Trimethoprim lactate in bulk?
Yes, Molekula can supply Trimethoprim lactate in bulk quantities—please contact sales for pricing and availability.
What documentation comes with a purchase of Trimethoprim lactate?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.