1692505
USP
Trimethoprim
United States Pharmacopeia (USP) Reference 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:
Molecular Weight:
290.32
Beilstein:
625127
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24
Recommended Products
grade
pharmaceutical primary standard
API family
trimethoprim
manufacturer/tradename
USP
application(s)
pharmaceutical (small molecule)
format
neat
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
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General description
This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.
Application
Trimethoprim USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.
Also, for use with USP monographs such as:
Also, for use with USP monographs such as:
- Trimethoprim Tablets
- Trimethoprim Sulfate
- Sulfamethoxazole and Trimethoprim Tablets
- Sulfamethoxazole and Trimethoprim Injection
- Sulfamethoxazole and Trimethoprim Oral Suspension
- Polymyxin B Sulfate and Trimethoprim Ophthalmic Solution
Primarily used as an antibacterial agent. Dihydrofolate reductase inhibitor with selectivity for the prokaryote enzyme.
Analysis Note
These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.
Other Notes
Sales restrictions may apply.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Repr. 2
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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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
Concentration evolution of pharmaceutically active compounds in raw urban and industrial wastewater.
Dolores Camacho-Muñoz et al.
Chemosphere, 111, 70-79 (2014-07-07)
The distribution of pharmaceutically active compounds in the environment has been reported in several works in which wastewater treatment plants have been identified as the main source of these compounds to the environment. The concentrations of these compounds in influent
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
Sarah L Svensson et al.
PloS one, 9(8), e106063-e106063 (2014-08-29)
Campylobacter jejuni is a leading cause of foodbourne gastroenteritis, despite fragile behaviour under standard laboratory conditions. In the environment, C. jejuni may survive within biofilms, which can impart resident bacteria with enhanced stress tolerance compared to their planktonic counterparts. While
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