Title:  Dipin 
CAS Registry Number:  738-99-8 
CAS Name:  1,4-Bis[bis(1-aziridinyl)phosphinyl]piperazine 
Additional Names:  1,4-piperazinediylbis[bis(1-aziridinyl)phosphine oxide];  piperazine-1,4-bis(N,N¢-diethylenephosphonediamide);  tetraethyleneimidopiperazine-N,N¢-diphosphoric acid 
Molecular Formula:  C12H24N6O2P2 
Molecular Weight:  346.31 
Percent Composition:  C 41.62%, H 6.99%, N 24.27%, O 9.24%, P 17.89% 
Literature References:  Alkylating agent; exptl antineoplastic.  Prepn:  Kropacheva et al., Zh. Obshch. Khim. 30, 3584 (1960), C.A. 55, 18695c (1961).  Spectrophotometric determn:  L. Kh. Kartashova, E. M. Salomatin, Farmatsiya (Moscow) 33, 72 (1983), C.A. 102, 119736j (1985).  Metabolism in rats:  V. V. Chistyakov et al., Khim. Farm. Zh. 21, 398 (1987), C.A. 107, 146734s (1987). 
Properties:  Crystals, mp 187°. 
Melting point:  mp 187°   |