Title:  Fertirelin 
CAS Registry Number:  38234-21-8 
CAS Name:  9-(N-Ethyl-L-prolinamide)-1-9-luteinizing hormone-releasing factor (swine) 
Additional Names:  9-(N-ethyl-L-prolinamide)-10-deglycinamide-luteinizing hormone-releasing factor (pig);  Des-Gly10-NH2-LH-RH-ethylamide 
Manufacturers' Codes:  TAP-031 
Molecular Formula:  C55H76N16O12 
Molecular Weight:  1153.29 
Percent Composition:  C 57.28%, H 6.64%, N 19.43%, O 16.65% 
Literature References:  Synthetic nonapeptide analog of LH-RH, q.v.  Prepn:  M. Fujino et al., DE 2321174; eidem, US 3853837 (1973, 1974 both to Takeda); S. Shinagawa, M. Fujino, Chem. Pharm. Bull. 23, 229 (1975); see also:  M. Fujino et al., Biochem. Biophys. Res. Commun. 49, 863 (1972).  Enzyme immunoassay in bovine plasma:  J. Okada, S. Kondo, ibid. 33, 4464 (1985).  HPLC determn of bulk drugs and formulations:  P. A. Hartman, J. D. Stodola, J. Chromatogr. 444, 177 (1988).  Field trial in bovine cystic ovarian disease:  T. Nakao et al., Jpn. J. Vet. Sci. 45, 269 (1983); to induce ovulation for insemination of dairy cows:  T. Nakao et al., Theriogenology 20, 111 (1983); K. Yamada et al., Anim. Reprod. Sci. 74, 27 (2002). 
  
Derivative Type:  Acetate  
CAS Registry Number:  66002-66-2 
Manufacturers' Codes:  U-69689E 
Trademarks:  Conceral (Takeda);  Ovalyse (Pharmacia & Upjohn) 
Molecular Formula:  C55H76N16O12.C2H4O2 
Molecular Weight:  1213.34 
Percent Composition:  C 56.42%, H 6.65%, N 18.47%, O 18.46% 
Properties:  Pentahydrate as white, fluffy powder, [a]D25 -53.6° (c = 0.5 in 5% acetic acid). 
Optical Rotation:  [a]D25 -53.6° (c = 0.5 in 5% acetic acid) 
  
Therap-Cat-Vet:  Gonad stimulating principle.   |