{{distinguish|mildronate|minodronate}} {{chembox | Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 476996867 | ImageFile = Medronic acid.png | ImageClass = skin-invert-image | ImageSize = 150px | PIN = Methylenebis(phosphonic acid) | OtherNames = methanediphosphonic acid; methylene diphosphonate; medronate; phosphonomethylphosphonic acid; MDP |Section1={{Chembox Identifiers | UNII_Ref = {{fdacite|changed|FDA}} | UNII = 73OS0QIN3O | ChEBI_Ref = {{ebicite|changed|EBI}} | ChEBI = 43945 | ChEMBL_Ref = {{ebicite|correct|EBI}} | ChEMBL = 180570 | StdInChI_Ref = {{stdinchicite|correct|chemspider}} | StdInChI =1S/CH6O6P2/c2-8(3,4)1-9(5,6)7/h1H2,(H2,2,3,4)(H2,5,6,7) | StdInChIKey_Ref = {{stdinchicite|correct|chemspider}} | StdInChIKey = MBKDYNNUVRNNRF-UHFFFAOYSA-N | CASNo_Ref = {{cascite|changed|??}} | CASNo = 1984-15-2 | PubChem = 16124 | ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}} | ChemSpiderID = 15308 | KEGG_Ref = {{keggcite|correct|kegg}} | KEGG = D04887 | SMILES = O=P(O)(O)CP(=O)(O)O }} |Section2={{Chembox Properties | C=1 | H=6 | O=6 | P=2 | Appearance = | Density = | MeltingPtC = 199 to 200 | MeltingPt_ref = <ref name=Merck>{{Merck12th}}</ref> | BoilingPt = | Solubility = }} |Section3={{Chembox Hazards | MainHazards = | FlashPt = | AutoignitionPt = | LD50 = 45-50 mg/kg (i.v., mice, rabbits)<ref name=Merck/> }} }}
'''Medronic acid''' (conjugate base, '''medronate'''), also known as '''methylene diphosphonate''', is the smallest bisphosphonate. Its complex with radioactive technetium, <sup>99m</sup>Tc medronic acid, is used in nuclear medicine to detect bone abnormalities, including metastases.
==References== {{reflist}}
Category:Bisphosphonates
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