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Merck

46984

Trimethoprim

VETRANAL®, analytical standard

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C14H18N4O3
CAS Number:
738-70-5
Molecular Weight:
290.32
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329757283
EC Number:
212-006-2
Beilstein/REAXYS Number:
625127
MDL number:
MFCD00036761

Key Documents

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InChI key

IEDVJHCEMCRBQM-UHFFFAOYSA-N

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)

SMILES string

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

grade

analytical standard

agency

EPA 1694

product line

VETRANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

antibiotic activity spectrum

Gram-negative bacteria, Gram-positive bacteria, mycoplasma

application(s)

clinical testing

format

neat

mode of action

DNA synthesis | interferes, enzyme | inhibits

storage temp.

2-8°C

Quality Level

100

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General description

Chemical structure: pyrimidine

Application

Primarily used as an antibacterial agent. Dihydrofolate reductase inhibitor with selectivity for the prokaryote enzyme.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Legal Information

VETRANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Repr. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

46984-250MG: + 46984-BULK: + 46984-VAR:

jan

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM9005
BCCK1248
BCCG9676
BCCG0115
BCCF0850

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M Grape et al.
Antimicrobial agents and chemotherapy, 51(5), 1863-1864 (2007-02-20)
Two Escherichia coli isolates resistant to trimethoprim but negative for integrons carried two new resistance genes, dfrA24 and dfrA26, remotely similar to one another and to the cassette-independent genes dfrA8 and dfrA9. The dfrA24 gene was not associated with known
E Van Duijkeren et al.
Journal of veterinary pharmacology and therapeutics, 17(1), 64-73 (1994-02-01)
The indications for use, side-effects, and pharmacokinetic parameters of trimethoprim, sulfonamides and their combinations in the horse are reviewed. Trimethoprim/sulfonamide (TMPS) combinations are used for the treatment of various diseases caused by gram-positive and gram-negative bacteria, including infections of the
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
Sohei Harada et al.
Antimicrobial agents and chemotherapy, 54(9), 3545-3550 (2010-06-23)
Integrating conjugative elements (ICEs) are mobile genetic elements that can transfer from the chromosome of a host to the chromosome of a new host through the process of excision, conjugation, and integration. Although SXT/R391-related ICEs, originally demonstrated in Vibrio cholerae
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