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Merck

92131

Sigma-Aldrich

Trimethoprim

≥99.0% (HPLC)

Synonym(e):

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

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1 G
€ 49,90
5 G
€ 174,00
25 G
€ 683,00

€ 49,90


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1 G
€ 49,90
5 G
€ 174,00
25 G
€ 683,00

About This Item

Empirische Formel (Hill-System):
C14H18N4O3
CAS-Nummer:
Molekulargewicht:
290.32
Beilstein:
625127
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
51285203
PubChem Substanz-ID:
NACRES:
NA.85

€ 49,90


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Biologische Quelle

synthetic

Qualitätsniveau

Assay

≥99.0% (HPLC)

Form

powder

Farbe

white to light yellow

mp (Schmelzpunkt)

≥199.0 °C

Wirkungsspektrum von Antibiotika

Gram-negative bacteria
Gram-positive bacteria
mycobacteria

Wirkungsweise

DNA synthesis | interferes
enzyme | inhibits

Lagertemp.

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)

InChIKey

IEDVJHCEMCRBQM-UHFFFAOYSA-N

Angaben zum Gen

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Allgemeine Beschreibung

Chemical structure: pyrimidine

Anwendung

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 [1] and mechanism of resistance studies in Haemophilus influenzae [2].

Biochem./physiol. Wirkung

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

Verpackung

1g,5g,25g

Sonstige Hinweise

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.

Piktogramme

Health hazardExclamation mark

Signalwort

Warning

H-Sätze

Gefahreneinstufungen

Acute Tox. 4 Oral - Repr. 2

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)


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In der Dokumentenbibliothek finden Sie die Dokumentation zu den Produkten, die Sie kürzlich erworben haben.

Die Dokumentenbibliothek aufrufen

Susceptibility of Mycobacterium tuberculosis to sulfamethoxazole, trimethoprim and their combination over a 12 year period in Taiwan.
Tsi-Shu Huang1,2,3, Calvin M. Kunin, et al.
The Journal of Antimicrobial Chemotherapy, 10, 633-637 (2011)
R de Groot et al.
Antimicrobial agents and chemotherapy, 32(4), 477-484 (1988-04-01)
We studied 10 trimethoprim-resistant (Tmpr) Haemophilus influenzae isolates for which agar dilution MICs were 10 to greater than 200 micrograms/ml. Trimethoprim resistance was transferred from two Tmpr H. influenzae isolates to a Tmps strain by conjugation or transformation. Wild-type Tmpr
Kate S Baker et al.
The Lancet. Infectious diseases, 15(8), 913-921 (2015-05-06)
Shigellosis is an acute, severe bacterial colitis that, in high-income countries, is typically associated with travel to high-risk regions (Africa, Asia, and Latin America). Since the 1970s, shigellosis has also been reported as a sexually transmitted infection in men who
Karin Tegmark Wisell et al.
The Journal of antimicrobial chemotherapy, 62(1), 35-40 (2008-04-15)
The lack of oral treatment alternatives for enterococcal urinary tract infections (UTIs) has led to a renewed interest in trimethoprim. Enterococci can incorporate exogenously produced folates and thereby reverse the effect of trimethoprim. Although a large proportion of enterococci appear
Christine Manyando et al.
PloS one, 9(5), e96017-e96017 (2014-05-17)
Antibiotic therapy during pregnancy may be beneficial and impacts positively on the reduction of adverse pregnancy outcomes. No studies have been done so far on the effects of daily Co-trimoxazole (CTX) prophylaxis on birth outcomes. A phase 3b randomized trial

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Questions

1–3 of 3 Questions  
  1. 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.

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  2. 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.

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  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.

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