ROX NHS ester, pure 6- isomer

Appearance:

dark crimson powder

Mass spec M+ increment:

516.2

Molecular weight:

631.67

Molecular formula:

C₃₇H₃₃N₃O₇

CAS number:

117491-83-5

Solubility:

good in polar organic solvents (DMF, DMSO), low in water

Quality control:

NMR 1H (95%) and 13C, TLC, functional testing

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.

MSDS:

Download

Excitation maximum, nm:

570

Extinction coefficient at excitation maximum, Lmol-1cm-1:

82000

Emission maximum, nm:

591

Fluorescence quantum yield:

1.0