Practically insoluble in water,soluble in methanol and freely soluble in methtlene chloride.
Conforms
3
Specific optical rotation
-49.0°~-55.0°
-52.7°
4
Identification
a) IR
The IR spectrogramconforms to the characteristic peak ofR.S.
Conforms
b) HPLC
The retention time of the major peak in the chromatogram conforms tothe characteristic peak ofR.S.
Conforms
5
Water content
Not more than 3.0%
1.30%
6
Residue on ignition
Not more than 0.2%
0.03%
7
Heavy Metals
Not more than 20ppm
Conforms
8
Related substances
Any single impurity
Not more than 0.1%
0.06%
Total impurities
Not more than 1.0%
0.31%
9
Purity[HPLC]
Not less than 99.0%
99.69%
10
Assay(calculatedonanhydrous basis )
98.5%~101.5%
99.3%
Conclusion:
It conforms to the Enterprise Standard
Storage:
Store inairtight container and keep fromlight.
Retest period:
2years
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
