L-5-Methyltetrahydrofolate calcium CAS:151533-22-1

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1 Kilogram	FOB Price: USD 1.0000

1 Kilogram

FOB Price: USD 1.0000

L-5-Methyltetrahydrofolate calcium Calcium levomefolate CAS:151533-22-1

Product name	L-5-Methyltetrahydrofolate calcium
Appearance	Light yellow crystalline powder
CAS	151533-22-1
MF	C20H23CaN7O6
Purity	99%

TEST	SPECIFICATIONS	RESULT
DESCRIPTION	White to light yellow crystalline powder	Conforms
SPECIFIC ROTATION (on anhydrous substance)	HNMR: [a]25D(C=1.5% in water)	+39.7°
IDENTIFICATION	HNMR should be identical with that of reference	Conforms
IDENTIFICATION	HPLC: The retention time of the major peak in the chromatograme of Assay preparation corresponds to that in the chromatograme of the standard preparation,as obtained in the Assay	Conforms
CALCIUM CONTENT (on anhydrous substance)	7.0% ~ 8.5%	7.4%
D-5-METHYLFOLATE	≤ 1.0%	No detected
RELATED COMPOUNDS	Dimethyltetrahydrofolic acid ≤0. 15%	0. 10%
	Single impurity ≤ 1.0%	0.64%
	Total Impurites ≤2.5%	1.5%
RESIDUAL SOLVENT	Ethanol: NMT 5000ppm	No detected
WATER	≤16.0%	13.9%
CHLORIDE (Cl)	≤0.5%	Conforms
ARSENIC (As)	≤ 1ppm	＜1ppm
BORON	≤20ppm	Conforms
HEAVY METALS	NMT 20ppm	Conforms
TOTAL PLATE COUNT	≤ 100cfu/g	Conforms
YEAST AND MOLD	≤ 100cfu/g	No detected
SALMONELLA	Negative	No detected
E.COLI	Negative	No detected
Purity(HPLC)	>97.5%	98.5%