Dalian Free Trade Zone United Botai Bio-Tech Co., Ltd.  

Product Name: Interferon Alpha 2b (API) , Biochemical Reagents, Ifn, Protein Model NO.: Biological raw material Appearance: Liquid Function: API Classification: Protein Color: Hyaline Certification: GMP Environmental Protection: Yes Formula: C16h17cl312n3nao5s CAS No.: 99210-65-8 Trademark: ubotai Transport Package: Vial Specification: pharmacopeia standard Origin: China HS Code: 35040090 Product Description Type: IFN α -2bStandard: Chinese state pharmacopoeia, (or other country pharmacopoeia--eg. EP standard. ).Description: A sterile and no-virus interferon concentrated liquid by a low cost and a low price. Can be formulated to Injection or water injection.Technical adventage: We owns a purification technology. We can design chromatographic column independently.We also can privide PEG-IFN, if you have any question, ask us freely.ItemsSpecificationsresultAppearance Coloriess, clear and transparent solutionPass Protein Content of Solution by Lowry Method-2.5mg/mlBiological Activity (Potency) (*108IU/ml)-4.5Specific Activity (In vitro)( *108IU/mg)≥ 12Molecular Weight (SDS-PAGE)(KD)19.2KD+-1.92KD PassPurity(SDS-PAGE)≥ 95%98%Purity(HPLC)≥ 95%99%Ultraviolet Spectrum(Peak)275-281nm PassIsoelectric Focusing(main band)4.0-6.7PassE. Coli DNA Residue(ng/dose)< 10< 0.1ng/20M IUResidual Antibiotics TestNegativePassHost Protein Residue(of total protein)≤ 0.1% ≤ 0.01%Bacterial Endotoxins (LAL Test)< 10EU/3M IU< 0.5 EU/5M IUMouse IgG residues< 100ng/3M IUNoneIdentification Test (Western Blot)PositivePassPeptide MappingIn conformity with standardPassN-terninal SequenceCoincide with the published sequencePassAbnormal Toxicity(mice)PassPass