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92131

Trimethoprim

≥99.0% (HPLC)

Synonym(e):

2,4-Diamino-5-(3,4,5-trimethoxybenzyl)pyrimidin, NSC 106568

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Ihnen/SKUVerfügbarkeitPreis
1 g
Warenkorb auf Verfügbarkeit prüfen
€ 50,00
5 g
Warenkorb auf Verfügbarkeit prüfen
€ 186,00
25 g
Warenkorb auf Verfügbarkeit prüfen
€ 714,00

Über diesen Artikel

Empirische Formel (Hill-System):
C14H18N4O3
CAS-Nummer:
Molekulargewicht:
290.32
UNSPSC Code:
51285203
NACRES:
NA.85
PubChem Substance ID:
EC Number:
212-006-2
Beilstein/REAXYS Number:
625127
MDL number:

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biological source

synthetic

Quality Segment

assay

≥99.0% (HPLC)

form

powder

color

white to light yellow

mp

≥199.0 °C

antibiotic activity spectrum

Gram-negative bacteria, Gram-positive bacteria, mycobacteria

mode of action

DNA synthesis | interferes, enzyme | inhibits

storage temp.

2-8°C

SMILES string

COc1cc(Cc2cnc(N)nc2N)cc(OC)c1OC

InChI

1S/C14H18N4O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15/h5-7H,4H2,1-3H3,(H4,15,16,17,18)

InChI key

IEDVJHCEMCRBQM-UHFFFAOYSA-N

Gene Information

General description

Chemical structure: pyrimidine

Application

Antibakterieller Wirkstoff, Dihydrofolatreduktase-Inhibitor mit Selektivität für prokaryotische Enzyme.
Trimethoprim is primarily used as an antibacterial agent. It is used in susceptibility studies of Mycobacterium tuberculosis and mechanism of resistance studies in Haemophilus influenzae [1].

Biochem/physiol Actions

Inhibits the synthesis of tetrahydrofolate by procaryote specific dihydrofolate reductase (DHFR).
Trimethoprim is a dihydrofolate reductase inhibitor with selectivity for the prokaryote enzyme.

Packaging

1g,5g,25g

Other Notes

Keep container tightly closed in a dry and well-ventilated place.Light sensitive. Store under inert gas. Moisture sensitive. Product is sensitive to light and moisture.

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Dieser Artikel
T788346984BP344
Trimethoprim British Pharmacopoeia (BP) Reference Standard

BP344

Trimethoprim

mode of action

DNA synthesis | interferes, enzyme | inhibits

mode of action

DNA synthesis | interferes, enzyme | inhibits

mode of action

DNA synthesis | interferes, enzyme | inhibits

mode of action

-

antibiotic activity spectrum

Gram-negative bacteria, mycobacteria, Gram-positive bacteria

antibiotic activity spectrum

Gram-negative bacteria, Gram-positive bacteria, mycobacteria

antibiotic activity spectrum

Gram-negative bacteria, Gram-positive bacteria, mycoplasma

antibiotic activity spectrum

-

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

-

form

powder

form

powder

form

-

form

powder

assay

≥99.0% (HPLC)

assay

≥98.5%

assay

-

assay

-

biological source

synthetic

biological source

-

biological source

-

biological source

-


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pictograms

Health hazardExclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Repr. 2

Lagerklasse

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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Lot/Batch Number

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Questions

1–4 of 4 Questions  
  1. Upon dilution in DMSO, what is the best storage condition for trimethoprim (fridge/freezer, how long is it stable for)?

    1 answer
    1. Solutions prepared in DMSO at 50 mg/mL may be stored in working aliquots at -20°C for up to 1 year. Avoid repeated freeze/thaw cycles.

      Helpful?

  2. Is Trimethoprim soluble in DMSO or water?

    1 answer
    1. The solubility of this product is not analyzed on a lot-to-lot basis. The compound is expected to be soluble in water at 0.4 mg/ml, ethanol at 2.6 mg/ml, methanol at 12.1 mg/ml, chloroform at 22.2 mg/ml, and DMSO at 50 mg/ml.

      Helpful?

  3. Is Trimethoprim stable in solution?

    1 answer
    1. Triemethoprim in a solution of 52% N,N dimethylacetamide:48% propylene glycol at 50 mg/ml is stable when stored at 25° C. There is only a 10% degradation of trimethoprim under these conditions after 885 days.

      Helpful?

  4. What is the Department of Transportation shipping information for this product?

    1 answer
    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

      Helpful?

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