| ≥1 piece |
Brown crystalline powder; Easy to loss activity under light.
CAS#: 7689-03-4
Molecular formula: C20H16N2O4
Molecular weight: 348.36
Quality standard:
(1)Specific optical rotation: +3132
(2)Melting point: 264267
(3)Purity: 9899%(HPLC)
(4)Loss on dry: <0.5%
(5)Ash: <1%
(6)Heavy metals: <10ppm
(7)Arsenic salt: <1ppm