Derivative Type: Disodium salt hemiheptahydrate
CAS Registry Number: 104376-79-6Trademarks: Rocefin (Roche); Rocephin(e) (Roche)
Percent Composition: C 32.68%, H 3.50%, N 16.94%, Na 6.95%, O 25.39%, S 14.54%
Properties: White cryst powder, mp 155° (dec). [a]D25 -165° (c = 1 in water) (calc for water-free substance). uv max (water): 242, 272 nm (e 32300, 29530). pKa: ~3 (COOH), 3.2 (NH3+), 4.1 (enolic OH). Soly in water at 25°: ~40 g/100 ml. LD50 in male, female, mice, rats (mg/kg): 3000, 2800, 2175, 2175 i.v.; 10000 all species orally; 5000 all species s.c. (Teelman).
Melting point: mp 155° (dec)
pKa: pKa: ~3 (COOH), 3.2 (NH3+), 4.1 (enolic OH)
Optical Rotation: [a]D25 -165° (c = 1 in water) (calc for water-free substance)
Absorption maximum: uv max (water): 242, 272 nm (e 32300, 29530)
Toxicity data: LD50 in male, female, mice, rats (mg/kg): 3000, 2800, 2175, 2175 i.v.; 10000 all species orally; 5000 all species s.c. (Teelman)
Therap-Cat: Antibacterial.
Keywords: Antibacterial (Antibiotics); ?Lactams; Cephalosporins.
产品链接: 73384-59-5››