beta-Nicotinamide adenine dinucleotide CAS: 53-84-9

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1 Kilogram

FOB Price: USD 1.0000

beta-Nicotinamide adenine dinucleotide beta-Diphosphopyridine nucleotide CAS: 53-84-9

Name: beta-Nicotinamide adenine dinucleotide

Synonyms: beta-Diphosphopyridine nucleotide

CAS: 53-84-9

MF: C₂₁H₂₆N₇O₁₄P₂

Test items	Specification
Appearance	White to yellowish powder
Purity
HPLC	≥ 98%
ADH enzymatic activity analysis	≥ 98%
Contents (dry basis)	≥ 90%
Na contents	<1%
Water contents	< 8%
Heavy metal contents
Pb	< 10ppm
Fe	< 10ppm
Cu	< 10ppm
AI	< 10ppm
Ethanol contents(GC)	< 1ppm
Aceton, Isopropanol, methanol(GC)	< 0.1%
Spectral analysis
1. ε at 260nm and pH 7.5	(18.0±1.0)x103 L/mole/cm
2. Ratio at pH 7.5
A250/A260	0.83±0.03
A280/A260	0.21±0.02
3. ε when reduced with alcohol dehydrogenase at 340nm and pH 10.0	(6.3±0.2)x 103 L/mole/cm
4. A340/A260 Ratio when reduced with alcohol dehydrogenase at pH 10	0.43±0.02
5. pH (10mg/ml)	2.0-4.0