Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
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Province/state: Anhui
City: Hefei
Street: B911 Xincheng Business Center, Qianshan Road, Hefei Anhui China
MaxCard:
β-NADH, Grade I
Maximum absorption wave length: 260nm and 340nm
Items |
Specification |
Testing Results |
Appearance |
White to yellowish lyophilized powder |
Conform |
Purity (HPLC),% |
≥98 |
98.3 |
Enzymatic assay (ADH),% |
≥98 |
98.2 |
NADH contents (anhydrous basis),% |
- |
93 |
Na contents,% |
6.5±0.5 |
6.4 |
Water contents,% |
<5 |
4.0 |
Organic solvents(Methanol, ethanol, Acetone, Isopropanol) determined by GC,% |
Each<0.1 |
ND |
NADH (A340,ε= 6.3 (1×mmol-1×cm-1),% |
≥90 |
95.2 |
NADH (A260,ε= 14.3 (1×mmol-1×cm-1),% |
≥90 |
95.1 |
A250/A260 |
0.82±0.03 |
0.80 |
A280/A260 |
0.23±0.02 |
0.23 |
A340/A260 |
0.42±0.01 |
0.44 |
pH value in water(100mg/ml) |
7.5-9.0 |
8.03 |