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Gd-PCTA-Ach

MRI Contrast Agent

Gd-PCTA-Ach is a macrocyclic gadolinium-based MRI contrast agent designed for enhanced imaging through its high kinetic inertness and moderate affinity for albumin. Its ability to bind to albumin effectively prolongs blood circulation time, contributing to improved imaging quality. Gd-PCTA-Ach is predominantly cleared via the kidneys, with approximately 10% excreted through the hepatobiliary pathway, showcasing its unique dual-channel excretion profile. This contrast agent is particularly valuable for high-resolution imaging of brain and liver tumors, making it instrumental in diagnostic research focused on liver cancer and glioma.

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Specifications

Manufacturer	Adooq Bioscience
CAS Number	3031550-73-6
Applications	MRI Contrast Agent
Formula	C₄₄H₆₆GdN₇O₁₂
Molecular Weight	1042.28
SMILES	O=C([O-]1)C(CCC(NC2CCCCC2O)=O)[N@@]34CC[N@@]5(C(C([O-]6)=O)CCC(NC7CCCCC7O)=O)CC8=CC=CC9=[N]8[Gd+3]351%106[N@@](CC4)(C(C([O-]%10)=O)CCC(NC%11CCCCC%11O)=O)C9

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.