| Title:  Phenindamine CAS Registry Number:  82-88-2 CAS Name:  2,3,4,9-Tetrahydro-2-methyl-9-phenyl-1H-indeno[2,1-c]pyridine Additional Names:  2-methyl-9-phenyl-2,3,4,9-tetrahydro-1-pyridindene;  1,2,3,4-tetrahydro-2-methyl-9-phenyl-2-azafluorene Manufacturers' Codes:  Nu-1504 Molecular Formula:  C19H19N Molecular Weight:  261.36 Percent Composition:  C 87.31%, H 7.33%, N 5.36% Literature References:  Prepn:  J. T. Plati, W. Wenner, US 2470108 (1949 to Hoffmann-La Roche).  Pharmacology:  G. Lehmann, J. Pharmacol. Exp. Ther. 92, 249 (1948); W. Schallek, ibid. 105, 291 (1952). Properties:  Crystals from ether, mp 90-91°, d 1.17. Melting point:  mp 90-91° Density:  d 1.17   Derivative Type:  Hydrogen tartrate  CAS Registry Number:  569-59-5 Trademarks:  Pernovin (Chinoin);  Thephorin (Sinclair) Molecular Formula:  C19H19N.C4H6O6 Molecular Weight:  411.45 Percent Composition:  C 67.14%, H 6.12%, N 3.40%, O 23.33% Properties:  Crystals, mp 160°.  Soly:  about 2.5% in water; sparingly sol in propylene glycol.  Insol in 95% ethanol, glycerol, ether.  LD50 in mice (mg/kg):  27 i.v., 170 i.p., 265 orally (Schallek). Melting point:  mp 160° Toxicity data:  LD50 in mice (mg/kg):  27 i.v., 170 i.p., 265 orally (Schallek)   Derivative Type:  Hydrochloride  CAS Registry Number:  5503-08-2 Molecular Formula:  C19H19N.HCl Molecular Weight:  297.82 Percent Composition:  C 76.62%, H 6.77%, N 4.70%, Cl 11.90% Properties:  Crystals, sol in water.  LD50 in mice (mg/kg):  88 ±11 i.p., 22.5 ±2.5 i.v., 255 ±21 orally, 270 ±60 s.c.; in rats (mg/kg):  280 ±50 orally; in guinea pigs (mg/kg):  140 ±42 i.p.; in rabbits (mg/kg):  15 ±2.4 i.v., 500 orally; in dogs (mg/kg):  33 i.v. (Lehmann). Toxicity data:  LD50 in mice (mg/kg):  88 ±11 i.p., 22.5 ±2.5 i.v., 255 ±21 orally, 270 ±60 s.c.; in rats (mg/kg):  280 ±50 orally; in guinea pigs (mg/kg):  140 ±42 i.p.; in rabbits (mg/kg):  15 ±2.4 i.v., 500 orally; in dogs (mg/kg):  33 i.v. (Lehmann)   NOTE:  Thephorin was formerly used to designate theobromine sodium formate. Therap-Cat:  Tartrate as antihistaminic. Keywords:  Antihistaminic.  |