Atto 520 NHS ester

• Catalog No.: 77810
• M. F.: C26H30ClN3O9
• M. W.: 563.9841
• Purity: ≥80.0% (coupling to amines)

SYNONYMS

• IUPAC name: 9-{3-[(2,5-dioxopyrrolidin-1-yl)oxy]-3-oxopropyl}-N-ethyl-6-(ethylamino)-2,7-dimethyl-3H-xanthen-3-iminium perchlorate
• IUPAC Traditional name: 9-{3-[(2,5-dioxopyrrolidin-1-yl)oxy]-3-oxopropyl}-N-ethyl-6-(ethylamino)-2,7-dimethylxanthen-3-iminium perchlorate

DATABASE IDS

• PubChem SID: 24887233
• MDL Number: MFCD03456129

PROPERTIES

• Empirical Formula (Hill Notation): C26H30ClN3O9
• Product Line: BioReagent
• Purity: ≥80.0% (coupling to amines)
• Suitability: suitable for fluorescence
• Fluorescence: λex 520 nm; λem 540 nm in 0.1 M phosphate pH 7.0
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• Storage Temperature: -20°C
• German water hazard class: 3

DETAILS

Description (English)

Application
Molar absorption 110,000 1/M cm, abs: 521 nm, em: 548 nm, QY=0.9, Tfl 3.8 ns
abs.: λmax 515 nm; em.: λmax 526 nm

Description (简体中文)

Application
Molar absorption 110,000 1/M cm, abs: 521 nm, em: 548 nm, QY=0.9, Tfl 3.8 ns
abs.: λmax 515 nm; em.: λmax 526 nm