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1631001

USP

Sulfamethoxazole

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

4-Amino-N-(5-methyl-3-isoxazolyl)benzenesulfonamide, N1-(5-Methylisoxazol-3-yl)sulfanilamide

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About This Item

Empirical Formula (Hill Notation):
C10H11N3O3S
CAS Number:
Molecular Weight:
253.28
Beilstein:
6732984
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

sulfamethoxazole

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

Cc1cc(NS(=O)(=O)c2ccc(N)cc2)no1

InChI

1S/C10H11N3O3S/c1-7-6-10(12-16-7)13-17(14,15)9-4-2-8(11)3-5-9/h2-6H,11H2,1H3,(H,12,13)

InChI key

JLKIGFTWXXRPMT-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

Sulfamethoxazole 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:
  • Sulfamethoxazole Oral Suspension
  • Sulfamethoxazole and Trimethoprim Tablets
  • Sulfamethoxazole and Trimethoprim Injection
  • Sulfamethoxazole and Trimethoprim Oral Suspension

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.

Pictograms

Health hazardEnvironment

Signal Word

Warning

Hazard Statements

Hazard Classifications

Aquatic Chronic 2 - Repr. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 2


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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Raquel González et al.
PLoS medicine, 11(9), e1001735-e1001735 (2014-09-24)
Intermittent preventive treatment in pregnancy (IPTp) with sulfadoxine-pyrimethamine (SP) is recommended for malaria prevention in HIV-negative pregnant women, but it is contraindicated in HIV-infected women taking daily cotrimoxazole prophylaxis (CTXp) because of potential added risk of adverse effects associated with
R E Levitz et al.
Annals of internal medicine, 100(6), 881-890 (1984-06-01)
Trimethoprim-sulfamethoxazole has excellent microbiologic activity against most pathogens that produce meningitis; both components of this drug have high penetration into tissues, including the cerebrospinal fluid. Clinical experience shows that trimethoprim-sulfamethoxazole may be beneficial in the treatment of gram-negative bacillary meningitis
Co-trimoxazole (trimethoprim-sulfamethoxazole): an updated review of its antibacterial activity and clinical efficacy.
G P Wormser et al.
Drugs, 24(6), 459-518 (1982-12-01)
Simone Larcher et al.
Applied microbiology and biotechnology, 96(2), 309-318 (2012-08-18)
Antibiotic compounds, like sulfamethoxazole (SMX), have become a concern in the aquatic environment due to the potential development of antibacterial resistances. Due to extensive consumption, excretion and disposal, SMX has been frequently detected in wastewaters and surface waters. This has
Trimethoprim-sulfamethoxazole: an assessment of more than 12 years of use.
A J Salter
Reviews of infectious diseases, 4(2), 196-236 (1982-03-01)

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