3-methyl-2-oxopentanoic acid calcium salt dihydrate CAS NO.305808-15-5

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Product Name:	3-methyl-2-oxopentanoic acid calcium salt dihydrate
CAS No:	305808-15-5
Molecular Formula:	C₁₂H₁₈CaO₁₄
Assay:	98.50%

Item	Standard		Test Results
Identification	A.H-NMR:Comply with the structure		Complies
	B.LC-MS:Comply with the structure		Complies
	C.The IR spectrum of sample should be identical with that of reference standard.		Complies
	D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.		Complies
Loss on drying	≤2.0%		0.19%
Heavy metals	≤10 ppm		<10ppm
Water	≤1.0%		0.1%
Sulphated ash	≤0.5% determined on 1.0 g.		0.009%
Residue on ignition	≤0.1%		0.03%
Related Substances	Unspecified impurities: for each impurity	≤0.10%	<0.10%
	Total Impurities	≤0.5%	0.18%
Purity	≥99.0%		99.7%
Assay	99.0%~101.0% (anhydrous substance).		99.8%
Storage	Preserve in well-closed, light-resistant and airtight containers.		Complies