Antibiotiques

Ceftibuten dihydrate (Sch-39720 dihydrate) is the dihydrate form of ceftibuten, and is a third-generation cephalosporin with antibacterial activity.

Applications Nisin Z Hydrochloride is a peptide antibiotic synthesized by Lactococcus lactis. Nisin Z interacts with lipid II, a lipid component of cell wall, to form pores in the plasma membrane.
References Kuipers, O. P., et al.: J. Biol. Chem. 270, 27299 (1995); Breukink, E., et al.: Science 286, 2361 (1999); Breukink, E., et al.: Biochemistry 36, 6968 (1997)

Impurity Piperacillin EP Impurity B
Stability Hygroscopic, Temperature Sensitive
Applications Piperacilloic Acid (Piperacillin EP Impurity B) is a degradation product of Piperacillin (P479950), a new β-lactam antibiotic.
References Waxman, D.J., et al.: J. Biol. Chem., 255, 3964 (1980), Waley, S.G., et al.: Biochem. J., et al.: 205, 631 (1982),

Applications Surfactin is a lipopeptide antibiotic and biosurfactant.

Stability Hygroscopic
Applications 4-Hydroxychlorpropham Sulfate Sodium Salt, is a chemical herbicide used in the protection of crops. It also maintains the ability to induce mitochondrial dysfunction in rat hepatocytes.
References EPA.: Fed. Reg., 72, 37646 (2007); Nakagawa, Y. et al.: Toxicol., 200, 123 (2004);

Applications n-Pentyl 4-Hydroxybenzoate-2,3,5,6-d4 (CAS# 1219798-66-9) is a useful isotopically labeled research compound.

Applications N-Carbamoyl Oxcarbazepine is an impurity of Oxcarbazepine (O869250), a metabolite of Eslicarbazepine acetate, (BIA 2-093), a novel central nervous system drug. A keto derivative of Carbamazepine. Used as an anticonvulsant.
References Dam., M., et al.: Epilepsy Res., 3, 70 (1989), Beydoun, A., et al.: Expert Opin. Pharmacother., 3, 59 (2001),

Applications Dicresulene Hydrate is an impurity of Policresulen (P688085), an ideal drug for purulent endometritis and bovine mastitis of the animals.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Xie, R., et al.: Zhejiang Nongye Daxue Xuebao., 24, 259-262 (1998)

Stability Hygroscopic
Applications A new constituent of bacterial polyhydroxyalkanoic acids.
References Bollard, M., et al.: Toxicol. Appl. Pharmacol., 204, 135 (2005), Slupsky, C., et al.: Anal. Chem., 79, 6995 (2007),