POPSO sesquisodium

Cat. No.: HY-W579346 Purity: 99.92%: Data Sheet
COA

SDS
Handling Instructions
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POPSO sesquisodium is a water-soluble zwitterionic buffer. POPSO sesquisodium is commonly used in biological and biochemical studies to maintain the acidity or alkalinity (pH value) of solutions, especially within the physiological pH range of 7.0 to 8.5.

For research use only. We do not sell to patients.

POPSO sesquisodium Chemical Structure

CAS No. : 108321-08-0

Size	Stock	Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in Water ready for reconstitution	In-stock	Estimated Time of Arrival: December 31
Solution
10 mM * 1 mL in Water	In-stock	Estimated Time of Arrival: December 31
Solid
1 g	In-stock	Estimated Time of Arrival: December 31
5 g	In-stock	Estimated Time of Arrival: December 31
10 g	In-stock	Estimated Time of Arrival: December 31
50 g	Get quote

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Other Forms of POPSO sesquisodium:

POPSO In-stock

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Biological Activity
Purity & Documentation
References
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Description

Molecular Weight

396.91

Formula

C₁₀H₂₂N₂O₈S₂.3/2Na

CAS No.

108321-08-0

Appearance

Solid

Color

White to off-white

SMILES

O=S(O)(CC(CN1CCN(CC(CS(=O)(O)=O)O)CC1)O)=O.[3/2Na]

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Store at room temperature, keep dry and cool

In solvent	-80°C	1 year
	-20°C	6 months

Solvent & Solubility

In Vitro:

H₂O : 50 mg/mL (125.97 mM; Need ultrasonic)

Preparing
Stock Solutions

Concentration Solvent Mass	1 mg	5 mg	10 mg

1 mM	2.5195 mL	12.5973 mL	25.1946 mL
5 mM	0.5039 mL	2.5195 mL	5.0389 mL
10 mM	0.2519 mL	1.2597 mL	2.5195 mL

View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 1 year; -20°C, 6 months. When stored at -80°C, please use it within 1 year. When stored at -20°C, please use it within 6 months.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Concentration _(start) × Volume _(start) = Concentration _(final) × Volume _(final)

This equation is commonly abbreviated as: C₁V₁ = C₂V₂

Concentration _(start)

Volume _(start)

Concentration _(final)

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In Vivo Dissolution Calculator

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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Calculation results:

Working solution concentration: mg/mL

This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.

The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only.If necessary, please contact MedChemExpress (MCE).

Purity & Documentation

Purity: 99.92%

Select Batch:

Data Sheet (269 KB) SDS (252 KB)

COA (248 KB) HNMR (235 KB) RP-HPLC (284 KB) MS (235 KB)

Handling Instructions (2659 KB)

References

[1]. Roy R N, et al. Thermodynamics of the Second Dissociation Constants (pK 2) of Piperazine-N, N′-bis-2-hydroxypropanesulfonic Acid (POPSO Sesquisodium Salt) and Associated Thermodynamic Functions from (278.15 to 328.15) K[J]. Journal of Biophysical Chemistry, 2014, 5(04): 143.

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg

H₂O	1 mM	2.5195 mL	12.5973 mL	25.1946 mL	62.9866 mL
	5 mM	0.5039 mL	2.5195 mL	5.0389 mL	12.5973 mL
	10 mM	0.2519 mL	1.2597 mL	2.5195 mL	6.2987 mL
	15 mM	0.1680 mL	0.8398 mL	1.6796 mL	4.1991 mL
	20 mM	0.1260 mL	0.6299 mL	1.2597 mL	3.1493 mL
	25 mM	0.1008 mL	0.5039 mL	1.0078 mL	2.5195 mL
	30 mM	0.0840 mL	0.4199 mL	0.8398 mL	2.0996 mL
	40 mM	0.0630 mL	0.3149 mL	0.6299 mL	1.5747 mL
	50 mM	0.0504 mL	0.2519 mL	0.5039 mL	1.2597 mL
	60 mM	0.0420 mL	0.2100 mL	0.4199 mL	1.0498 mL
	80 mM	0.0315 mL	0.1575 mL	0.3149 mL	0.7873 mL
	100 mM	0.0252 mL	0.1260 mL	0.2519 mL	0.6299 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.