24(S),25-epoxy Cholesterol
24(S),25-epoxy Cholesterol
24(S),25-epoxy Cholesterol is an oxysterol and the most abundant oxysterol in mouse ventral midbrain.{43943} It activates liver X receptors (LXRs)...
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Piperacillin is a broad-spectrum ?-lactam antibiotic of the penicillin class.{27901,29941} It is active against Gram-negative and Gram-positive bacteria, including Enterococcus species, E. coli, and P. mirabilis (MIC50s = 0.5-2 µg/ml) as well as gentamicin-susceptible and -resistant strains of P. aeruginosa (MIC50s = 8 and 125 µg/ml, respectively).{29941} In a mouse model of systemic infection, piperacillin is active against P. aeruginosa 46220 when used alone or in combination with tazobactam (Item No. 25679; ED50s = 1.58 and 1.34 mg/animal, respectively).{37701} In the same model, it is less active against P. aeruginosa 46220 DR-2, which contains constitutively active ?-lactamase, when used alone than when used in combination with tazobactam (ED50s = >20 and 4.39 mg/animal, respectively). Formulations containing piperacillin in combination with tazobactam have been used in the treatment of moderate-to-severe bacterial infections.
Territorial Availability: Available through Bertin Technologies only in France
| Size | 1 g, 10 g, 5 g, 500 mg |
|---|---|
| Shipping | dry ice |
| CAS number | 59703-84-3 |
| Molecular formula | C23H26N5O7S • Na |
| Smiles | CC1(C)[C@H](C([O-])=O)N2C([C@@H](NC([C@@H](C3=CC=CC=C3)NC(N4C(C(N(CC)CC4)=O)=O)=O)=O)[C@@]2([H])S1)=O.[Na+] |
| Molecular weight | 539,5 |
| Custom code | 2922.19 |
| Formulation | A crystalline solid |
| Purity | ≥98% |
| UNSPSC code | 12352100 |
Cayman Chemical’s mission is to help make research possible by supplying scientists worldwide with the basic research tools necessary for advancing human and animal health. Our utmost commitment to healthcare researchers is to offer the highest quality products with an affordable pricing policy.
Our scientists are experts in the synthesis, purification, and characterization of biochemicals ranging from small drug-like heterocycles to complex biolipids, fatty acids, and many others. We are also highly skilled in all aspects of assay and antibody development, protein expression, crystallization, and structure determination.
Over the past thirty years, Cayman developed a deep knowledge base in lipid biochemistry, including research involving the arachidonic acid cascade, inositol phosphates, and cannabinoids. This knowledge enabled the production of reagents of exceptional quality for cancer, oxidative injury, epigenetics, neuroscience, inflammation, metabolism, and many additional lines of research.
Our organic and analytical chemists specialize in the rapid development of manufacturing processes and analytical methods to carry out clinical and commercial GMP-API production. Pre-clinical drug discovery efforts are currently underway in the areas of bone restoration and repair, muscular dystrophy, oncology, and inflammation. A separate group of Ph.D.-level scientists are dedicated to offering Hit-to-Lead Discovery and Profiling Services for epigenetic targets. Our knowledgeable chemists can be contracted to perform complete sample analysis for analytes measured by the majority of our assays. We also offer a wide range of analytical services using LC-MS/MS, HPLC, GC, and many other techniques.
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Cayman is a leader in the field of emerging drugs of abuse, providing high-purity Schedule I-V Controlled Substances to federally-licensed laboratories and qualified academic research institutions for forensic analyses. We are certified by ACLASS Accreditation Services with dual accreditation to ISO/IEC 17025:2005 and ISO Guide 34:2009.
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