ChemicalBook--->CAS DataBase List--->8064-90-2

8064-90-2

8064-90-2 Structure

8064-90-2 Structure
IdentificationBack Directory
[Name]

SMZ/TMP
[CAS]

8064-90-2
[Synonyms]

SMZ/TMP
Septrim
TMP-SMX
Chemitrim
Sulfamethoxazole/Trimethoprim
Trimethoprim-Sulfamethoxazole
TRIMETHOPRIM/SULPHAMETHOXAZOLE
Cotrimoxazole, Ready Made Solution
Trimethoprim-Sulfamethoxazole Combination
[Molecular Formula]

C24H29N7O6S
[MOL File]

8064-90-2.mol
[Molecular Weight]

543.6
Chemical PropertiesBack Directory
[storage temp. ]

-20°C
[solubility ]

DMF: 10mg/mL,DMSO: 10mg/mL,DMSO:PBS (pH 7.2) (1:4): 0.2mg/mL,Ethanol: 0.3mg/mL
[form ]

liquid
[color ]

colorless to faint yellow
[BCS Class]

4/4
[EPA Substance Registry System]

Benzenesulfonamide, 4-amino-N-(5-methyl-3-isoxazolyl)-, mixt. with 5-[(3,4,5-trimethoxyphenyl)methyl]-2,4-pyrimidinediamine (8064-90-2)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

36/37/38-43
[Safety Statements ]

26-36/37
[WGK Germany ]

3
[RTECS ]

UV8240000
[Hazardous Substances Data]

8064-90-2(Hazardous Substances Data)
[Toxicity]

LD50 orally in mice: 5513 mg/kg (Yamamoto)
Hazard InformationBack Directory
[Uses]

Cotrimoxazole is an antibiotic. Pseudomonas aeruginosa has a drug resistant rate of 66% in the years 2010-2013.
[World Health Organization (WHO)]

The combination of sulfamethoxazole and trimethoprim (5:1) was introduced in 1971 for the treatment of a wide variety of bacterial infections. Its use has been associated with severe sensitivity reactions, many of which have been attributed to the sulphonamide component. Elderly people seem to be more vulnerable. The World Health Organization has no information further to the above concerning restrictive action taken on this combination.
[Side effects]

Trimethoprim/sulfamethoxazole on a daily basis has a rapid onset of action but has rare associated side effects of bone marrow suppression and toxic epidermal necrolysis (TEN).
Nausea, vomiting, and anorexia are generally dose related. Hypersensitivity reactions (including Stevens-Johnson syndrome and hematologic reactions) occur in <5% of patients.
[storage]

Store at -20°C
[Dosage forms]

One to two tablets a day. Trimethoprim is dosed at 200 mg/24 hours given either q.d. or b.i.d.
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