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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€122.00 €103.70
Sulfamethoxazole-d4 is intended for use as an internal standard for the quantification of sulfamethoxazole (Item No. 23613) by GC- or LC-MS. Sulfamethoxazole is a sulfonamide antibiotic.{38582} It inhibits growth of E. coli (MIC = 10 ?g/ml) and clinical isolates of methicillin-resistant S. aureus (MRSA; MICs = 25-50 ?g/ml).{38583,38584} Sulfamethoxazole, in combination with trimethoprim (Item No. 16473) at a ratio of 20:1, inhibits growth of MRSA in vivo in mice (MIC = 0.8 ?g/ml; ED50s = 6.4 and 9.6 mg/kg for two MRSA strains).{38584} In a mouse model of urinary tract infection with E. coli, a combination of sulfamethoxazole and trimethoprim decreases recurrent infection when administered for 10 days.{38585} Sulfamethoxazole acts by inhibiting dihydropteroate synthase (DHPS), which converts pteridine and 4-aminobenzoic acid (PABA; Item No. 18659) to dihydropteroate, an intermediate in folate biosynthesis. It inhibits recombinant P. carinii DHPS (IC50 = 23 nM; Ki = 7.5 nM) and folate biosynthesis in situ by 48.6%. Formulations containing sulfamethoxazole and trimethoprim have been used to treat bronchitis, prostatitis, and urinary tract infections among other infectious conditions.
Territorial Availability: Available through Bertin Technologies only in France
| Size | 1 mg, 10 mg, 25 mg, 5 mg |
|---|---|
| Shipping | dry ice |
| CAS number | 1020719-86-1 |
| Molecular formula | C10H7D4N3O3S |
| Smiles | NC1=C([2H])C([2H])=C(S(NC2=NOC(C)=C2)(=O)=O)C([2H])=C1[2H] |
| Molecular weight | 257,3 |
| Custom code | 3822.19 |
| Formulation | A solid |
| Purity | ≥99% deuterated forms (d1-d4); ?1% d0 |
| 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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