| Labeled Ampicillin. Orally active, semi-synthetic antibiotic, structurally related to penicillin. Antibacterial. Synonyms: (2S,5R,6R)-6-[[(2RS)-2-Amino-2-(phenyl-d5)acetyl]amino]-3,3-dimethyl-7 -oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid, AY 6108-d5, Albipen-d5, Amfipen-d5, Amplital-d5, Penicline-d5 CAS No: 1426173-65-0 69-53-4-unlabeled Molecular Formula: C16H14D5N3O4S Molecular Weight: 354.44 Purity: Chemical: ~95% Isotopic: ~97% Appearance: Supplied as a white solid Melting Point: 178-182C Solubility: Aqueous Acid (Slightly), Water (Slightly) Method for Determining Identity: Proton NMR (D2O) Spectroscopic Analysis and Mass Spectrometric Analysis TLC Conditions: C18, Acetonitrile : Water = 3:1, Visualized with KMnO4 and Ninhydrin, Single spot, Rf = 0.50 Atmosphere: Inert Gas Elemental Analysis: Calculated: %C: 54.22, %H: 5.41, %N: 11.86 Normalized Intensity: d0: 0.00%, d1: 0.18%, d2:0.36%, d3: 0.32%, d4: 6.91%, d5: 92.23% Specific Rotation (c=0.1, 0.1N HCl): +195.0 Water Content (based on Elemental Analysis): As Reported Storage & Stability: Long-term storage is recommended at -20C. Stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Hygroscopic. Store under inert atmophere. Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures. |