(+)-Biotin 4-Amidobenzoic Acid, Sodium Salt (N-Biotinyl-p-aminobenzoic Acid)

A fluorigenic substrate for the determination of Biotinidase activity. Synonyms: (+)-Biotin 4-Amidobenzoic Acid, Sodium Salt, 4-[[5-[(3aS,4S,6aR)-Hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-1-oxopentyl]amino]benzoic Acid Sodium Salt, N-Biotinyl-p-aminobenzoic Acid Sodium Salt, CAS No: 102418-74-6, Molecular Formula: C17H20N3NaO4S, Molecular Weight: 385.41, Appearance: Supplied as a white to off-white solid. Purity: >98%, Melting Point: >250°C (dec.), Atmosphere: Inert Gas, Solubility: Aqueous Base, DMSO (sparingly), Method for Determining Identity: Proton NMR (DMSO-d6) Spectroscopic and Mass Spectrometric Analysis, TLC Conditions: C18, Acetonitrile: Water: Ammonium Hydroxide, 8:2:0.2, Visualized with UV and AMCS, Single spot, Rf=0.7. Sodium Content: ~6%, Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at -20°C. Stable for 24 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Hygroscopic. Store under inert atmosphere. 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.