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Intended For Use As An Excipient 

• MES Hydrate is a zwitterionic buffer that is not absorbed through cell membranes and is virtually transparent in UV light. MES is a buffering agent used in many biological and biochemical applications. It is also used as a running buffer for denaturing gel electrophoresis. The characteristics of low UV absorptivity, minimal reactivity, stable pH and solubility in water allow MES Hydrate Excipient to be used as a Good’s buffer.

General Product Description:

• The manufacturing of Bio Excipient Grade MES, Hydrate MESH-3250 is performed at BioSpectra’s Bangor, PA facility.
• MES is a White Crystalline product.
• Molecular Formula: C6H13NO4S·H2O
• Molecular Weight: 195.25 g/mol.
• CAS Number: 1266615-59.
• There are no known major food allergens (as defined by FDA and WHO) in the manufacture of this product.
• BioSpectra certifies that all MES, Hydrate MESH-3250 manufactured at BioSpectra and its raw materials are completely synthetic and are not derived from or come in contact with animal parts, products, and/or byproducts.
• Synonyms: 2-(N-Morpholino)ethanesulfonic acid, 4-Morpholineethanesulfonic acid monohydrate.

GMP Compliance:

• Bio Excipient Grade MES, Hydrate MESH-3250 is suitable for use as an excipient. It is manufactured in accordance with the ICH-Q7 Good Manufacturing Practice Guide. This grade of MES, Hydrate is not suitable to be used as an Active Pharmaceutical Ingredient, Drug Product or Household Item.

Retest Date:

• The recommended retest period for MES, Hydrate is two years from the date of manufacture.

Storage and Shipping Conditions:

• Ship and Store in ambient temperature.

Package Sizes:

• 10kg, 25kg and 50kg pails.