banner
Excipient

ICH Q7 GMP Manufactured Product

MES Monohydrate

GMP, Excipient
Product Code: MESM-3220

Minimum Order Quantity: 250kg
Lead Time (if no stock): 3-6 months

Product Inquiry COAs Spec Sheet
Click the button above for additional pricing, lead times, MOQs and other inquiries.

Product Inquiry

Please Use the Product Inquiry button (above) for bulk volumes.

Customer Service

Please Use the Product Inquiry button (above) for bulk volumes.
QUANTITY
Product Code: MESM-3220
Suitable for use as a cGMP chemical in pharmaceutical manufacturing processes and products.

MES Monohydrate 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 Monohydrate to be a Good’s buffer.

CAS #: 145224-94-8
Formula: C6H13NO4S·H2O
F.W.: 213.25 g/mol
pH (0.5M): 3.5 - 5.5
pKa: 5.9 - 6.3

Product Specifications

ANALYSIS SPECIFICATIONS
Absorbance

260 nm

280 nm

< = 0.1000 a.u.

< = 0.1000 a.u.

Appearance and Color  
White Crystals
Assay  
> = 99.0%
Chloride  
< = 50 ppm
Color (1M, Alkaline)  
Colorless
Enzymes

DNase

RNase

Protease

None Detected

None Detected

None Detected

Identification, IR  
Conforms to Reference Standard
Loss on Drying, 130°C 7 - 10%
pH (5%)  
3.1 - 3.5

pH (0.5M)

 
2.5 – 4.5
pKa  

5.9 – 6.3

Residue on Ignition  
< = 0.05%
Solubility (5%)  
Passes Test
Sulfate  
< = 50 ppm
Trace Elements

Arsenic (As)

Copper (Cu)

Iron (Fe)

Lead (Pb)

< = 2 ppm

< = 2 ppm

< = 2 ppm

< = 2 ppm

 

Printable Version

Key Product Features:

  • The manufacturing of MES Monohydrate, MESM-3220 is performed at BioSpectra's Bangor, PA facility.
  • Appears as white crystals
  • Manufactured in accordance with ICH Q7
  • Manufactured in an enzyme free, hormone free, and animal free environment
  • Contains no known major food allergens (as defined by FDA and WHO)
  • The final product and its raw materials are not derived from nor come into contact with animal parts, animal products, and/or animal byproducts or derivatives.
  • Is not subject to genetic modification
  • Synonyms: 2-(N-Morpholino) Ethane Sulfonic Acid, 4-Morpholineethanesulfonic Acid Monohydrate

Shelf-Life Policy:

Unless otherwise noted on the Shelf-Life Statement and CoA, this product has a 2-year retest date supported by a 3-year ICH Q1 Stability Study (if one is completed).

Storage & Shipping:

Refer to SDS.

Package Sizes:

10kg, 25kg, and 50kg

Bulk GMP Fine Chemicals exclusively manufactured in North America

American Manufactured - FDA Registered GMP Facilities: Parenteral Excipients, GMP Small Molecule Intermediates, GMP Biological Buffers, Parenteral Carbohydrates, GMP Chlorinated Amino Acids, GMP Solutions in Sterile Single Use Packaging and other Reagent & GMP Fine Chemicals.