99%：
Purity ≥99.0% (HPLC)
Specific rotation [a]20/D -72.0 ～-78.0 °(C=1,1mol/L NaOH)
Loss on drying <5 %
Heavy metals (as Pb) <10 ppm
Ratio of Absorbances 0.91 - 0.97 (A250/A260)
0.67 - 0.71 (A280/A260)
Transmittance >95 % (c=1, 1 N NaOH, 430 nm) 1 cm cell
Payment
eBioChem Escrow service is especially designed for online transaction. You, as a buyer, will pay the Supplier ONLY after you receive the item(s) and are satisfied with the item(s). This value-added service is absolutely FREE and is available for all transactions at eBioChem.com.
Payment Method
Alipay:
Alipay can support the domestic Union pay card with RMB payment
payPal:
Credit Card:
Paypal can support all of the foreign credit card payment
