Histone H2A (Xenopus, recombinant)
Histone H2A (Xenopus, recombinant)
Histone H2A is a core histone that forms a dimer with histone H2B.{46631} Two histone H2A/H2B dimers form an octameric...
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€213.00 €181.05
€213.00 €181.05
Prostaglandin D2-d4 (PGD2-d4) is intended for use as an internal standard for the quantification of PGD2 (Item No. 12010) by GC- or LC-MS. PGD2 is the major eicosanoid product of mast cells and is released in large quantities during allergic and asthmatic anaphylaxis.{416} Mastocytosis patients produce excessive amounts of PGD2, which causes vasodilation, flushing, hypotension, and syncopal episodes.{416} PGD2 is also produced in the brain via an alternative pathway involving a soluble, secreted PGD-synthase also known as ?-trace.{328,1185} In the brain, PGD2 produces normal physiological sleep and lowering of body temperature.{328,1185} Further pharmacological actions include inhibition of platelet aggregation and relaxation of vascular smooth muscle.{580} PGD2 inhibits human ovarian tumor cell proliferation with an IC50 value of 6.8 µM.{1349} PGD2-d4 MaxSpec® standard is a quantitative grade standard of PGD2-d4 (Item No. 312010) that has been prepared specifically for mass spectrometry or any application where quantitative reproducibility is required. The solution has been prepared gravimetrically and is supplied in a deactivated glass ampule sealed under argon. The concentration was verified by comparison to an independently prepared calibration standard. This PGD2-d4 MaxSpec® standard is guaranteed to meet identity, purity, stability, and concentration specifications and is provided with a batch-specific certificate of analysis. Ongoing stability testing is performed to ensure the concentration remains accurate throughout the shelf life of the product. Note: The amount of solution added to the vial is in excess of the listed amount. Therefore, it is necessary to accurately measure volumes for preparation of calibration standards. Follow recommended storage and handling conditions to maintain product quality.
Territorial Availability: Available through Bertin Technologies only in France
| Size | 10 µg |
|---|---|
| Shipping | dry ice |
| CAS number | 211105-29-2 |
| Molecular formula | C20H28D4O5 |
| Smiles | CCCCCC(O)/C=C/[C@H]1C(=O)CC(O)C1C/C=C\CCCC(=O)O |
| Molecular weight | 356,5 |
| Formulation | A solution in methyl acetate at 10 µg/ml |
| Purity | ≥95% |
| Custom code | 3822.19 |
| UNSPSC code | 12352100 |
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