2-Nitrophenyl β-D-galactopyranoside
Molecular Structure:
MDL:
MFCD00063255
Molecular Formula:
C12H15O8N
Molecular Weight:
301.25
Alias:
邻硝基苯-β-D-吡喃半乳糖苷
o-Nitrophenyl β-D-galactopyranoside
ONPG
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
2-Nitrophenyl β-D-galactopyranoside |
|
1g |
RMB 396 |
现货 |
2-Nitrophenyl β-D-galactopyranoside |
99% |
1g |
RMB 198 |
Consulting service |
2-Nitrophenyl β-D-galactopyranoside |
99% |
5g |
RMB 528 |
Consulting service |
2-Nitrophenyl β-D-galactopyranoside |
99% |
25g |
RMB 1716 |
Consulting service |
Character:
本产品为接近白色的晶状粉末。溶于水、甲醇,水中溶解度可达15mg/ml。有吸湿性。
熔点:195℃(分解)
Quality Standard:
外观Appearance 白色至极微黄色粉末
红外光谱鉴定Infrared spectrometry 和对照品匹配
纯度Purity ≥99.0% (HPLC)
水分Water <0.2 % (K.F.)
比旋光度Specific rotation -68°~ -72° (c=1, H2O)
Storage:
-20℃充氩保存
用途 用于检测β-半乳糖苷酶(β-galactosidase)活性,是β-半乳糖苷酶的显色底物。经β-半乳糖苷酶催化后可产生黄色产物,在410-420nm波长可以检测吸光度。
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