Okadaic Acid, Free Acid
Okadaic Acid, Free Acid
78111-17-8
78111-17-8
询价
1EA
起订
上海 更新日期:2022-07-30
产品详情:
- 英文名称:
- Okadaic Acid, Free Acid
- CAS号:
- 78111-17-8
- 数量:
- 大量
- 英文名:
- Okadaic Acid, Free Acid
- 供应商:
- 上海前尘生物科技有限公司
- 货号:
- O-2220
O-2220 Okadaic Acid, Free Acid, >98%
M.W. 805.00 | C44H68O13 | [78111-17-8] | M.I. 12: 6958 | M.I. 14: 6819 |
WARNING: Highly irritant to skin and mucous membranes. SPECIAL HAZARD: TUMOR PROMOTER. Gloves and mask should be worn when using this compound. Care must be taken to prevent contact through all routes of exposure.
Storage: Store at or below -20 ºC. Solubility: Soluble in DMSO or ethanol. Disposal: A
- Potent inhibitor of protein phosphatases, especially the PP-1 and PP-2 classes, in numerous cell types. Cohen, P., et al. "Okadaic acid: a new probe for the study of cellular regulation." Trends Biochem. Sci. 15: 98-102 (1990).
- Non-phorbol type tumor promoter. Suganuma, M., et al. "Okadaic acid: an additional non-phorbol-12-tetradecanoate-13-acetate-type tumor promoter." Proc. Natl. Acad. Sci. USA 85: 1768-1771 (1988).
- We notice that another vendor, Axxora/Alexis, publishes advertising claims that they are "the source" of okadaic acid products, specifically that they are "The Okadaic Acid SourceTM" and "Step Up to the SourceTM". We believe this claim is simply false, and is very misleading to researchers. LC Labs manufactures its own okadaic acid products, and we are aware of at least two other sources worldwide. Thus, while Axxora/Alexis may be "a" source of okadaic acid products, they are certainly not "the" source. Their claim is all the more astonishing because (i) in recent years Axxora has purchased bulk okadaic acid products from LC Labs, in the form of hundreds of vials of final sale sizes, and (ii) we understand that Axxora currently merely resells okadaic acid products obtained from an actual manufacturer in the southern U.S.
- Please request Technical Note #18 for additional information.
- Important Notes on Stability:
- We believe this product and the three okadaic acid salts below, as shipped from our inventory, are the purest and most stable okadaic acid products available anywhere. In contrast, material from other vendors is often degraded and quite impure. Long-term stability of our four okadaic acid products in their unopened ampules is excellent (one year or more).
- All four okadaic acid products must first be dissolved in an organic solvent to prepare stock solutions. The okadaic acid molecule is large and somewhat hydrophobic, and material may not be reliably dissolved out of the ampule with purely aqueous solutions. We understand that some practitioners use mixed aqueous/organic solvents to dissolve material out of the ampules, but we have not tested the efficacy of this approach ourselves.
- Solutions of the free acid form of okadaic acid in organic solvents are distinctly less stable, even in the freezer, than those made from the three salt forms listed below.
- Once diluted into aqueous media (and assuming equal starting purities), the information available to us indicates that all four forms of okadaic acid show comparable stability.
- The biological activity of all four products is identical for the okadaic acid portion, but obviously the counter-ions themselves may affect ion-sensitive experimental systems.
- In summary: ignoring the counter-ions, all four forms of okadaic acid are biologically equivalent and equally useful if made up as a stock solution in an organic solvent and used within a fews days. If freezer storage of an organic solvent-based stock solution of okadaic acid is anticipated to extend beyond a week or so, we recommend a salt form rather than the free acid.
- Sold for laboratory or manufacturing purposes only; not for human, veterinary, food, or household use.
名称 | 货号 | 规格 | 价格 |
Okadaic Acid, Free Acid | O-2220 | 100ug | 1360 |
300ug | 3648 | ||
1mg | 9520 |
温馨提示:不可用于临床治疗。
Okadaic Acid, Free Acid;试剂
公司简介
成立日期 | (16年) |
注册资本 | 300万人民币 |
员工人数 | |
年营业额 | |
经营模式 | |
主营行业 |
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