Specification Sheet

Product Name
Atto 520 NHS ester BioReagent, suitable for fluorescence, ≥80.0% (coupling to amines)

Product Number
77810

Product Brand
SIGMA

CAS Number

Molecular Weight
563.98

Test

Specification

APPEARANCE (COLOR)Red to Dark Red
APPEARANCE (FORM)Powder
SOLUBILITY (COLOR)FOR INFORMATION
SOLUBILITY (TURBIDITY)Clear
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
DEGREE OF COUPLING≥ 80.0 %
EMISSION MAXIMUM540 ± 5 nm
REMARKS ON LUMINESCENCEEX. 520 NM IN 0.1 M PHOSPHATE PH 7.0
RECOMMENDED RETEST PERIOD28 MONTHS

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