NADH
ROCHE相關(guān)資料:
Product Description
Absorbance coefficients: 14.3 x 103 l x mol-1 x cm-1 at 260 nm, 6.18 x 103 l x mol-1 x cm-1 at 334 nm (Hg), 6.3 x 103 l x mol-1 x cm-1 at 340 nm, 3.4 x 103 l x mol-1 x cm-1 at 365 nm (Hg) Absorbance maximum: 260 nm and 340 nm Formula: C21H27N7O14P2Na2 Molecular weight: NADH-Na2: Mr = 709.4, NADH: Mr = 665.4 pH value in water: 7.5 ± 0.5 (100 mg/ml) Stability: Solid: stable at +2 to +8°C, stored dry and protected from light Solution: 10 mg/ml in Na-bicarbonate buffer, pH 9, contains at least 95% NADH after 4 weeks at +2 to +8°C
Contents
Amorphous powder
Quality
Purity: 98% β-NADH-Na2 based on dry weight (enzymatically and absorbance at 340 nm), 99% (absorbance at 260 nm), A260 nm-A340 nm: <2.40 Organic solvents: <4% (GC)
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NADH-Na2還原型輔酶Ⅰ二鈉
Roche
10128023001
250mg
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