Syn-2-Methoxyimino-2-(2-Furyl)-Acetic Acid- Ammonia Salt
Structural Formula: C7H10O4N2
Formula weight:186.17
CAS NO.:97148-39-5
dryin loss(KF),%≤ 0.5
PH 3.0—7.0
chloride (ammonium chloride),%≤ 0.5
solvent(GC),%≤ 0.5
assay(HPLC), %≥ 98.0
transmittance(T) λ=420nm, %≥ 75 λ=450nm, %≥ 85
impurity(HPLC)≤ 1.6
pyromucic acid%≤ 0.
2-acetofuran,%≤ 0.2
trans isomer%≤ 0.5
2-furan(oxo) acetic acid
unidentified impurity%≤ 0.3
Useage: major raw material in the production of Cefuroxime
Storage: store in cool and dry place and temputre below 10℃. keep off fire heat aviod mix-up with oxidant acid and alkali.