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MES is a zwitterionic N-substituted aminosulfonic acid known as a Good′s buffer, active in the pH range 6-8 with a pKa of 6.10 at 25°C. With a pKa value near physiological pH, it is not absorbed through cell membranes, and it is essentially transparent to UV light. MES is used as a running buffer for resolving very small proteins (ex: 13 kDa) on bis-tris gels. Also used in cation-exchange chromatography and as a biological buffer in plant cell cultures. MES solutions can be prepared to the desired pH by titrating the free acid with sodium hydroxide.Also available: MES, Sodium Salt (sc-216095) MES hemisodium salt (sc-216093) MES solution (sc-300959) MES monohydrate (sc-255262)
Ordering Information
| Product Name | Catalog # | UNIT | Price | Qty | FAVORITES | |
3-(9H-Purin-6-ylamino)-propionic acid, 500 mg | sc-310117 | 500 mg | $260.00 |