beta-Nicotinamide adenine dinucleotide disodium salt

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1 Kilogram	FOB Price: USD 1.0000

1 Kilogram

FOB Price: USD 1.0000

606-68-8 beta-Nicotinamide adenine dinucleotide disodium salt dihydronicotinamide-adenine dinucleotide, disodium salt

Product name:	Nicotinamide Adenine Dinucleotide Reduced form, NADH, Reduced NAD+/DPNH,Reduced form DPN
CAS No.:	606-68-8
Product Purity:	>98%
Product appearance:	powder

Test items	Specification
Appearance	White to yellowish lyophilized powder
Purity determined by
Enzymatic Assay (ADH)	≥ 95%
HPLC	≥ 95%
NADH contents (anhydrous basis)	----
Water contents	< 8%
Na contents	6.5±1.5%
β-NAD (HPLC)
Organic residues (as ethanol) determined by GC:	< 0.1%
Heavy metals (as Pb)	≤ 5ppm
Arsenite (As)	≤ 1ppm
NADH (A340, ε= 6.3 (1×mmol-1×cm-1)	≥ 90%
NADH (A260, ε= 14.3 (1×mmol-1×cm-1)	≥ 90%
Ratio at pH 10
A250/A260	0.82±0.03
A280/A260	0.23±0.02
A340A260	0.43±0.01
pH value in water(100mg/ml)	7.0-10.0
Total Bioburden
Coliform
Yeast and moulds
Salmonella	negative
Staph.aureus	negative
E.coli	negative