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上海拜力生物科技有限公司
Shanghai Bioleaf Biotech Co.,Ltd
電話 021-33779008
銷售**：4009687988
郵箱 info@bioleaf.com
網(wǎng)址 http://www.bioleaf.com/
地址 上海市閔行區(qū)新源路1356弄1-7號C801
郵編 201108
微信公眾號：拜力生物
| 貨號 | 描述 | 人民幣價格 |
| 15070 | Cyanine7 hydrazide, 1 mg | ￥1,430.00 |
| 25070 | Cyanine7 hydrazide, 5 mg | ￥2,730.00 |
| 45070 | Cyanine7 hydrazide, 25 mg | ￥5,330.00 |
| 55070 | Cyanine7 hydrazide, 50 mg | ￥9,035.00 |
| 65070 | Cyanine7 hydrazide, 100 mg | ￥15,470.00 |
Hydrazide derivative of Cyanine7, a NIR fluorescent dye, an analog of Cy7®.
This variety of heptamethine fluorophore contains a six-membered ring rigidizing the polymethine chain which allows to increase quantum yield by 20% compared to parent structure.
Hydrazide reacts quickly and smoothly with aldehydes and ketones yielding stable hydrazone products. This reaction is also good for the labeling of glycoproteins after periodate oxidation.
Cy® is a trademark of GE Healthcare.
General properties
|
Appearance: |
green powder |
|
Mass spec M+ increment: |
544.8 |
|
Molecular weight: |
635.70 |
|
Molecular formula: |
C37H48Cl2N4O |
|
Solubility: |
moderate solubility in water, good in polar organic solvents (DMF, DMSO, alcohols) |
|
Quality control: |
NMR 1H, HPLC-MS (95%) |
|
Storage conditions: |
Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate. |
Spectral properties
|
Excitation maximum, nm: |
750 |
|
ε, L?mol?1?cm?1: |
199000 |
|
Emission maximum, nm: |
773 |
|
Fluorescence quantum yield: |