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NAD

2015-04-24 16:540询价
价格:¥0.00/kg
品牌:BONTAC
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 NAD产品简介:

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。

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