氧化型輔酶I煙酰胺腺嘌呤二核苷酸

β-Nicotinamide-adenine Dinucleotide

分子式：C21H27N7O14P2

分子量：: 663.4

CAS  NO.: 53-84-9

規(guī)格：                                                  

純度:                                                           ≥95%（乙醇脫氫酶 酶活性分析）

含水量：                                                        ＜8%

外觀：                                                                  白色至微黃色粉末

β-NAD含量                                             ≥90%

乙醇含量(GC)：                                                   未檢出

***，異丙醇，甲醇(GC)                                           未檢出

重金屬含量：

Pb:                                                              ＜10ppm

Fe:                                                              ＜10ppm

Cu:                                                              ＜10ppm

Al:                                                              ＜10ppm

ε at 260nm and pH 7.5                                          (18.0±1.0)x103 L/mole/cm

Ratio at pH 7.5

A250/A260                                                        0.83±0.03

A280/A260                                                        0.21±0.02

ε when reduced with alcohol 

dehydrogenase at 340nm and pH 10.0                              (6.3±0.2)x 103 L/mole/cm

A340/A260 when reduced with  alcohol  

dehydrogenase at pH 10.0                                        0.43±0.02

貯藏方法:

保存于干燥、低溫及避光處。固態(tài)于 +2 to +8oC穩(wěn)定。長期保存宜于-20oC或以下

輔酶I NAD不僅廣泛應用于診斷試劑盒，如丙氨酸氨基轉移酶（ALT）試劑盒；谷氨酸脫氫酶（GLDH）試劑盒；還是一些原料藥及中間體生產(chǎn)過程中不可或缺的輔酶因子。