NAD

氧化型辅酶I烟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

规格：                                                  

纯度:                                                           ≥95%（乙醇脱氢酶 酶活性分析）

含水量：                                                        ＜8%

外观：                                                                  白色至微黄色粉末

β-NAD含量                                             ≥90%

乙醇含量(GC)：                                                   未检出

***，异丙醇，甲醇(GC)                                           未检出

重金属含量：

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

贮藏方法:

保存于干燥、低温及避光处。固态于 +2 to +8oC稳定。长期保存宜于-20oC或以下

辅酶I NAD不仅广泛应用于诊断试剂盒，如丙氨酸氨基转移酶（ALT）试剂盒；谷氨酸脱氢酶（GLDH）试剂盒；还是一些原料药及中间体生产过程中不可或缺的辅酶因子。