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5-Br-PAPS

Zn2+ Indicator

5-Br-PAPS is a specific zinc (Zn2+) metallochromic indicator that exhibits distinctive colorimetric properties upon binding to free Zn2+. This reagent is utilized in assays designed to measure free zinc ions in biological samples, forming a strongly colored red complex that enhances detection sensitivity. Its application is essential for studies assessing zinc's role in various biological processes and disease states.

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Specifications

Manufacturer	Adooq Bioscience
CAS Number	81608-06-2
Applications	Zn2+ Indicator
Formula	C₁₇H₂₁BrN₄O₄S
Molecular Weight	457.34
SMILES	O=S(O)(CCCN(CCC)C1=CC=C(C(O)=C1)/N=N/C2=NC=C(C=C2)Br)=O

Storage & Solubility

In Vitro Solubility

Reported Solubility

No reported solubility data are available for this product.

Preparing Stock Solutions

Stock preparation is unavailable for this product molecular weight.

Calculated stock concentrations do not establish solvent solubility. Refer to the reported solubility data for experimental guidance.

Storage

Store powder at -20°C, keep desiccated.
In powder form, the chemical is stable for 36 months.
In solution, store at -20°C and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.