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Merck
CN

Specification Sheet

Product Name
Fluorescein diacetate 5-maleimide suitable for fluorescence

Product Number
46939

Product Brand
sigma

CAS Number
150322-01-3

Molecular Weight
511.44

Test

Specification

APPEARANCE (COLOR)White to Light Yellow
APPEARANCE (FORM)Powder or Crystals
EMISSION MAXIMUM520 ± 5 nm
REMARKS ON LUMINESCENCEEXC. 492 NM IN 0.1 M PHOSPHATE PH 7.0, COUPLED TO THIOL, HYDROLYSED BY ESTERASE
BIO-TESTSCOUPLING TO THIOLS ≥ 90.0 %
SUITABILITY ASSAYSUITABLE AS A FLUOROGENIC SUBSTRATE FOR ESTERASES
RECOMMENDED RETEST PERIOD42 MONTHS