USD $0.55-0.85 / Kilogram
USD $1,200.00-1,300.00 / Metric Ton
we have gmp.
appearance :crystalline powder or white granular.hygroscopic,odorless,free from
visible foreign particles.
solubility : very soluble in demineralized water
melting point : ≥187℃
identification: absorption of infrared light to map the map with the control(spectrum 487 figure set)
consistent
sulfate :should be positive
angular rotation: -0.60°~ +0.05°
acidity :≤0.3ml
water :≤4.0%
residue on ignition :≤0.2%
assay :98.5%~101.0%(anhydrous substance)
other alkaloids :should be positive
it conforms to usp34.