| Labeled Bisphenol A. A monomer used for policarbonate and epoxy resins, exhibits estrogenic activity. Synonyms: 4,4-(1-Methylethylidene)bisphenol-13C12, 2,2-Bis(4-hydroxyphenyl)propane-13C12, (4,4-Dihydroxydiphenyl)dimethylmethane-13C12, 4,4-Isopropylidenediphenol-13C12 CAS No: 263261-65-0 Unlabeled: 80-05-7 Molecular Formula: C3C12H16O2 Molecular Weight: 240.2 Purity: 95% Appearance: Off-white to light beige solid Melting Point: 154-156C Solubility: DMSO (Slightly), Methanol (Slightly) Method for Determing Identity: 13C NMR, Proton NMR and Mass Spectrometric Analysis TLC Conditions: SiO2, Dichloromethane: Methanol=9:1, Visualized with UV, AMCS and KMNO4, Single Spot, Rf=0.75 Normalized Intensity: 13C0=0.20%, 13C1=0.00%, 13C2=0.07%, 13C3=0.06%, 13C4=0.07%, 13C5=0.01%, 13C6=0.65%, 13C7=0.05%, 13C8=0.07%, 13C9=0.30%, 13C10=0.12%, 13C11=8.09%, 13C12=90.32% Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at 4C for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. 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. |
