| Title:  Mangafodipir CAS Registry Number:  118248-94-5 (free acid);  155319-91-8 (hexahydrogen) CAS Name:  (OC-6-13)-[[N,N¢-1,2-Ethanediylbis[N-[[3-(hydroxy-kO)-2-methyl-5-[(phosphonooxy)methyl]-4-pyridinyl]methyl]glycinato-kN,kO]](8-)]manganate(6-) Additional Names:  manganese(II)-N,N¢-dipyridoxylethylenediamine-N,N¢-diacetate-5,5-bis(phosphonate);  manganese dipyridoxal diphosphate;  MnDPDP Manufacturers' Codes:  S-095 Molecular Formula:  C22H24MnN4O14P2 Molecular Weight:  685.33 Percent Composition:  C 38.56%, H 3.53%, Mn 8.02%, N 8.18%, O 32.68%, P 9.04% Literature References:  Paramagnetic manganese (II) chelate designed as a tissue specific imaging agent taken up by normal liver parenchyma.  Prepn:  S. M. Rocklage, S. C. Quay, EP 290047; eidem, US 4933456 (1988, 1990 both to Salutar); idem et al., Inorg. Chem. 28, 477 (1989).  Pharmacology, toxicity and image enhancement studies:  G. Elizondo et al., Radiology 178, 73 (1991).  HPLC determn in plasma:  K. G. Toft et al., J. Pharm. Biomed. Anal. 15, 973 (1997).  Series of articles on clinical studies, toxicology and physicochemical properties:  Acta Radiol. 38, 626-789 (1997).  Review of use as contrast agent for liver lesion detection:  N. M. Rofsky, J. P. Earls, MRI Clin. North Am. 4, 73-85 (1996). Properties:  LD50 i.v. in mice:  5.4 mmol/kg (Elizondo). Toxicity data:  LD50 i.v. in mice:  5.4 mmol/kg (Elizondo)   Derivative Type:  Trisodium salt  CAS Registry Number:  140678-14-4 Additional Names:  Magnafodipir trisodium Manufacturers' Codes:  Win-59010 Trademarks:  Teslascan (Nycomed) Molecular Formula:  C22H27MnN4Na3O14P2 Molecular Weight:  757.32 Percent Composition:  C 34.89%, H 3.59%, Mn 7.25%, N 7.40%, Na 9.11%, O 29.58%, P 8.18% Properties:  Pale yellow, triclinic hygroscopic crystals.  d 1.537.  uv max (water):  220, 257, 319 nm (e 37600, 10300, 13400).  Soly (g/ml):  0.4596 water, 0.0230 methanol, 0.0008 ethanol, 0.0006 acetone, 0.0011 chloroform.  Log P (1-octanol:water) -5.62; (1-butanol: water) -3.68.  Prepd as 0.01 mmol/ml aqueous infusion:  bright yellow, clear soln, pH 7.5.  Viscosity (mPa.s):  1.0 at 20°, 0.7 at 37°.  Osmolality (37°):  290 mosmol/kg.  d20 1.01 g/ml. Log P:  Log P (1-octanol:water) -5.62; (1-butanol: water) -3.68 Absorption maximum:  uv max (water):  220, 257, 319 nm (e 37600, 10300, 13400) Density:  d 1.537; d20 1.01 g/ml   Therap-Cat:  Diagnostic aid (MRI contrast agent). Keywords:  Diagnostic Aid (MRI Contrast Agent).  |