folic acid 
1.CAS: 59-30-3 
2.orange-yellow powder 
3.Delivery:3-5 days 
4.Package:aluminum foil bag,paperboard drum

Test	Standards		Results
Characteristics	A yellowish or orange, crystalline powder. Practically insoluble in water and in most organic solvents. It dissolves in dilute acids and in alkaline solutions.		A yellowish crystalline powder. Practically insoluble in water and in most organic solvents. It dissolves in dilute acids and in alkaline solutions.
Identification	A: Specific optical rotation	+18 to +22 (anhydrous substance)	19.2
	B:HPLC chromatograms	Complies	Complies
	C:TLC Identification	Complies	Complies
Related substance	Impurity Anot more than 0.5%		0.4
	Impurity D not more than 0.6%		0.5
	any other impurity not more than 0.5%		0.4
	Total of other impurity not more than 1.0%		0.8
UV absorption ratio	A256/A365:2.80-3.0		2.90
Free amines	NMT 1/6		1/7
Organic volatile impurities	Conforms		Conforms
Chromatographic purity	Not more than2.0%		1.74%
Sulphated ash	Not more than 0.2%		0.13%
Lead	2ppm Max		Conforms
Assay(HPLC)	97.0-102.0%(anhydrous basis)		97.2%