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2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3]
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英文名:2-Nitrophenyl β-D-galactopyranoside
- 別名:鄰硝基苯-β-D-吡喃半乳糖苷 ONPG
- CAS號:369-07-3 分子式:C12H15O8N 分子量:301.25
P157254-100g 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] 99%,non-animal origin 100g 4400.00
P157253-25g 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] 99%,non-animal origin 25g 1566.00
P157250-5g 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] 99%,non-animal origin 5g 497.00
P157255-1g 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] 99%,non-animal origin 1g 158.00
P157253-25g 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] 99%,non-animal origin 25g 1566.00
P157250-5g 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] 99%,non-animal origin 5g 497.00
P157255-1g 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] 99%,non-animal origin 1g 158.00
訂貨編號 | 商品名稱 | 規(guī)格 | 包裝 | 單價 | 促銷價 | 會員價 | 數(shù)量 |
P157254-100g | 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] | 99%,non-animal origin | 100g | 4400.00 | 4400.00 | 登錄可見 |
P157254-100g 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] 99%,non-animal origin 100g 4400.00
|
P157253-25g | 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] | 99%,non-animal origin | 25g | 1566.00 | 1566.00 | 登錄可見 |
P157253-25g 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] 99%,non-animal origin 25g 1566.00
|
P157250-5g | 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] | 99%,non-animal origin | 5g | 497.00 | 497.00 | 登錄可見 |
P157250-5g 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] 99%,non-animal origin 5g 497.00
|
P157255-1g | 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] | 99%,non-animal origin | 1g | 158.00 | 158.00 | 登錄可見 |
P157255-1g 2-硝基苯基-β-D-吡喃半乳糖苷 [369-07-3] 99%,non-animal origin 1g 158.00
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化學(xué)性質(zhì)
溶于水、甲醇,水中溶解度可達15mg/ml。有吸濕性。 熔點:195℃(分解)
質(zhì)量標(biāo)準(zhǔn)
99%,non-animal origin:
外觀Appearance 白色至極微黃色粉末
紅外光譜鑒定Infrared spectrometry 和對照品匹配
純度Purity ≥99.0% (HPLC)
水分Water <0.2 % (K.F.)
比旋光度Specific rotation -68°~ -72° (c=1, H2O)
危險性質(zhì)
用途及存儲
用于檢測β-半乳糖苷酶(β-galactosidase)活性,是β-半乳糖苷酶的顯色底物。經(jīng)β-半乳糖苷酶催化后可產(chǎn)生黃色產(chǎn)物,在410-420nm波長可以檢測吸光度。
密封干燥保存。