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FAM tetrazine,5-isomer,荧光素-四嗪

作者:FAM tetrazine,5-isomer,荧光素-四嗪 发布时间:2022-09-20 14:20:48 次浏览

FAM tetrazine,5-isomer,荧光素-四嗪

Tetrazine (methyltetrazine) derivative of fluorescein, pure 5-isomer.

Tetrazines are reactive heterodiene components for [4+2] inverse electron demand Diels-Alder reaction (ied-DA) with strained cycloalkenes (trans-cyclooctenes, cyclopropenes). This reaction is also called TCO (tetrazine-cyclooctene) ligation. The reaction is among the fastest bioconjugation reactions.

FAM tetrazine,5-isomer,荧光素-四嗪(图1)

General properties

Appearance:

yellow solid

Mass spec M+ increment:

529.12

Molecular weight:

559.53

Molecular formula:

C31H21N5O6

Solubility:

good in DMF, DMSO

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:

490

ε, Lmol1cm1:

80000

Emission maximum, nm:

513

Fluorescence quantum yield:

0.93

CF260:

0.20

CF280:

0.17

FAM tetrazine,5-isomer,荧光素-四嗪

叠氮化物 Dye azides

Pyrene azide 1/ Pyrene azide 2

PEP azide

Perylene azide

BDP FL azide

Coumarin 343 azide

FAM azide, 5-isomer

FAM azide, 6-isomer

TAMRA azide, 5- isomer

BDP TMR azide

Cyanine3 azide

Cyanine3.5 azide

Cyanine5 azide

Cyanine5.5 azide

Cyanine7 azide

Cyanine7.5 azide

Sulfo-Cyanine3 azide

Sulfo-Cyanine5 azide

Sulfo-Cyanine7 azide

N-羟基琥珀酰亚胺脂Dye NHS esters

Pyrenebutyric acid NHS ester

ROX NHS ester, pure 6- isomer

BDP FL NHS ester

FAM NHS ester

Cyanine3 NHS ester

Cyanine3.5 NHS ester

Cyanine5 NHS ester

Cyanine5.5 NHS ester

Cyanine7 NHS ester

Cyanine7.5 NHS ester

Sulfo-Cyanine3 NHS ester

Sulfo-Cyanine5 NHS ester

sulfo-Cyanine5 bis-NHS ester

Sulfo-Cyanine7 NHS ester