USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $8.20-8.80 / Kilogram
USD $8.20-8.80 / Kilogram
USD $4.50-5.00 / Liter
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
≥98.0%
appearance |
white to off-white powder |
melting point |
225.3~225.6℃ |
specific rotation [α] 2 d 0 |
-15.5~ -18°(c=1 in 1n hcl) |
related substance (tlc) |
one spot |
related substances |
≤2.0% |
infrared detection |
according with cp2010 standard |
identification |
reaction with cuso4 in naoh solution reaction with 20% acetic acid, ninhydrin and naoh solution |
ph |
4.5-7.0 |
residue on ignition |
≤0.10% |
heavy metals |
≤20ppm |
loss on drying |
≤0.50% |
assay(t) |
≥98.0% |
purity(hplc) |
≥98.0% |