Small molecules & peptides


Ligand for labelling with 99mTc-Tracer

Disodium (hydroxymethylene)diphosphonate; Disodium methane-1-hydroxy-1,1-diphosphonate; Methanehydroxydiphosphonic acid disodium salt; Oxidronate sodium; Oxidronic acid sodium salt; Sodium oxidronate

CA index name: Phosphonic acid, (hydroxymethylene)bis-, disodium salt; Phosphonic acid, (hydroxymethylene)di-, disodium salt


Research Chemical


Molar mass 235.97

CAS RN [14255-61-9]

Purity ≥ 95 %

  • Colorless solid


CoA: appearance, ¹H and ³¹P NMR spectra

Product sheets (PDF)


Wang T.S.T. et al. Bone-Seeking Properties of Tc-99m Carbonyl Diphosphonic Acid, Dihydroxy Methylene Diphosphonic Acid and Monohydroxy-Methylene PhosphonicAcid: Concise Communication. J. Nucl. Med. 1980, 21, 767–770.

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