Description
MOPSO PUFFERAN® is a molecular-biology buffer reagent with a minimum purity of 99 %, offered for controlled buffering applications in life-science workflows. It carries CAS number 68399-77-9 and the empirical formula C₇H₁₅NO₅S, with a molar mass of 225,27 g/mol. As a zwitterionic Good’s-type buffer component, MOPSO is used to prepare stable aqueous buffer systems for molecular biology, biochemistry and related laboratory procedures where defined composition and high assay are important. The material is EG number 269-989-6 supports regulatory and catalogue identification. Laboratories preparing custom buffer stocks, screening media or specialised molecular-biological formulations can rely on this compact pack size for accurate weighing and formulation. Clear chemical identity, high minimum purity and convenient packaging make this MOPSO grade suitable for research and routine molecular-biology buffer preparation.
This article is part of Biological buffers (Tris, HEPES, MOPS), in Buffers & pH solutions.
Key features
- Assay (titr.): ≥99,0 %
- Solubility (10 % in H2O): clear
- Loss on drying: ≤1,0 %
- 260 nm: ≤0,04
- 280 nm: ≤0,04
- CAS number: 68399-77-9
- Pack sizes: 25 g, 100 g, 1 kg
- EG nr.: 269-989-6
- Purity: min. 99 %, PUFFERAN®
- Empirical formula: C₇H₁₅NO₅S
- Molar mass: 225,27 g/mol
- Technical Information Sheet:
- Safety Data Sheet:
Compliance & Safety Information
WarningHazard Statements (H-Phrases)
Precautionary Statements (P-Phrases)
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Questions about MOPSO, PUFFERAN®, min. 99 %, 25 g, plastic
What is this article?
MOPSO, PUFFERAN®, min. 99 %, 25 g, plastic is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Biological buffers (Tris, HEPES, MOPS), inside Buffers & pH solutions, in Lab chemicals.
Tris, HEPES, MOPS and their relatives hold pH in a range that cells and proteins tolerate, with a pKa near the working pH. The useful range is roughly one unit either side of the pKa. A phosphate buffer and Tris are not interchangeable in a method that names one of them, because the ion itself has effects.
A buffer resists a change in pH when a little acid or base is added. It does that because a weak acid and its conjugate base are both present. A pH buffer used to calibrate a meter has a stated value at a stated temperature. A biological buffer such as Tris or HEPES is chosen because it holds the pH of a living system and does not poison it. Conductivity standards are the sister articles for a conductivity meter. The ions are on PubChem. Electrode calibration practice sits with EURAMET and BELAC.
Which category should I open next?
The category is Buffers & pH solutions. The sub-category is Biological buffers (Tris, HEPES, MOPS). The catalogue is Lab chemicals.
Shelves beside this one are pH buffers & conductivity standards and Buffers (other).
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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We deliver across the EU, usually within 2 to 5 working days. More is on Delivery across the EU. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.
