White to almost white crystalline powder; Anhydrous substance:99.8%;IR: The infrared absorption spectrum exhibits maximam only at the same wavelengths at that of the standard sample; Specific opical …
Yellow crystalline powder, Assay: 99.0%~101.1% (anhydrous basis C8H14O2S2 ); The retention time of the peak for alpha lipoic acid in the chromatogram of the assay preparation corresponds to that in th…
white crystalline powder; Assay (on the anhydrous isopropyl alcohol-free basis): 100.1%; IR spectrum exhibits maximum only at the same wavelengths as that of the USP reference standard; Melting range …
white or yellowish crystalline powder; Assay: ≥99.0%; Melting point: 146-147°C; Specific optical rotation: 45.5-47.5; Residue on ignition: 0.1; Chloride:0.05; Sulphide:0.05; Total Microbial: ≤100pcs/g…
White or light yellow crystalline powder; Assay:99.1%; Standard: nterprise standard, IR,UV,HPLC conforms, Rotation: -18.6º; Loss on drying: 0.4%; Endotoxin: ≤10EU/mg ; Total impurity: 0.2%; Heavy Mea…
white crystalline powder; Assay: Anhydrous substance99.61%;positive reflection; Most absorb about the wavelength between 236nm-296nm, least absorb at the wavelength 212nm.
Melting point: 91.5~92.5℃; …
White or off-white crystalline powder; smell-less; hygroscopic; Anhydrous substance more than 99%; Related Substance: ≤1%; Ph: 5.3-6.1; Acetaminophen: ≤0.05%; Loss on drying: ≤0.5%; Absorbance: ≤0.1; …
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