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Tetraxetan

Cat. No. M9392
Tetraxetan Structure
Synonym:

DOTA

Size Price Availability Quantity
200mg USD 100  USD100 In stock
500mg USD 200  USD200 In stock
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Quality Control & Documentation
Biological Activity

Bifunctional DOTA aconjugates to peptides and has become an established strategy for constructing target-specific metal containing agents including targeted MRI contrast agents and diagnostic and ther apeutic radiopharmaceuticals.

Chemical Information
Molecular Weight 404.42
Formula C16H28N4O8
CAS Number 60239-18-1
Storage 4°C, protect from light, dry, sealed
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Deborah Sneddon, et al. Emerging chelators for nuclear imaging

[2] Simone Krebs, et al. Comparison of 68 Ga-DOTA-JR11 PET/CT with dosimetric 177 Lu-satoreotide tetraxetan ( 177 Lu-DOTA-JR11) SPECT/CT in patients with metastatic neuroendocrine tumors undergoing peptide receptor radionuclide therapy

[3] Diane Reidy-Lagunes, et al. Phase I Trial of Well-Differentiated Neuroendocrine Tumors (NETs) with Radiolabeled Somatostatin Antagonist 177 Lu-Satoreotide Tetraxetan

[4] Eric C Ehman, et al. PET/MRI: Where might it replace PET/CT?

[5] Thomas E Witzig, et al. Anti-CD22 90Y-epratuzumab tetraxetan combined with anti-CD20 veltuzumab: a phase I study in patients with relapsed/refractory, aggressive non-Hodgkin lymphoma

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