5(6)-Aminofluorescein (Mixture of isomers)

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5(6)-Aminofluorescein (Mixture of isomers)

SKU: A0039

Categories: Fluorescent Detection, Fluorescent Detection

27599-63-9
CAS-Number: C₂₀H₁₃NO₅
Molecular Formula: 347.32
Molecular Weight

Product Data
Handling
Safety Information
Details

Specifications

Purity: ≥95% (HPLC)
Appearance: Yellow to orange powder
Identity: 1H-NMR

Properties

Solvents: acetone or methanol
Fluorescence: λex 234 nm in acetonitrile (amine adducts), λex 381 nm, λem 470 nm (Do not confuse with fluorescamine.)

Documentation

Safety Data Sheet (SDS): CDX A0039 MSDS.pdf

Shipping: AMBIENT
Short Term Storage: +4°C
Long Term Storage: -20°C
Handling Advice: Protect from light and moisture.
Use / Stability: Stable for at least 2 years after receipt when stored at -20°C.

Transportation: Not dangerous goods

Description: Two isomers are produced by the usual synthesis. Most publications imply they are interchangeable when used for the preparation of the isothiocyanate for fluorescent labeling.
Smiles: NC1=CC2=C(C=C1)C1(OC2=O)C2=C(OC3=C1C=CC(O)=C3)C=C(O)C=C2
InChi Key: GZAJOEGTZDUSKS-UHFFFAOYSA-N
InChi: InChI=1S/C20H13NO5/c21-10-1-4-14-13(7-10)19(24)26-20(14)15-5-2-11(22)8-17(15)25-18-9-12(23)3-6-16(18)20/h1-9,22-23H,21H2

Two isomers are produced by the usual synthesis. Most publications imply they are interchangeable when used for the preparation of the isothiocyanate for fluorescent labeling.

SKU: A0039 Categories: Fluorescent Detection, Fluorescent Detection

Additional information

Additional information

Purity	≥95% (HPLC)
Appearance	Yellow to orange powder
CAS-Number	27599-63-9
Molecular Formula	C20H13NO5
Molecular Weight	347.32
Identity	1H-NMR
Solvents	acetone or methanol
Fluorescence	λex 234 nm in acetonitrile (amine adducts), λex 381 nm, λem 470 nm (Do not confuse with fluorescamine.)
Smiles	NC1=CC2=C(C=C1)C1(OC2=O)C2=C(OC3=C1C=CC(O)=C3)C=C(O)C=C2
InChi Key	GZAJOEGTZDUSKS-UHFFFAOYSA-N
Shipping	AMBIENT
Short Term Storage	+4°C
Long Term Storage	-20°C
Handling Advice	Protect from light and moisture.
Use / Stability	Stable for at least 2 years after receipt when stored at -20°C.
Transportation	Not dangerous goods
InChi	InChI=1S/C20H13NO5/c21-10-1-4-14-13(7-10)19(24)26-20(14)15-5-2-11(22)8-17(15)25-18-9-12(23)3-6-16(18)20/h1-9,22-23H,21H2
Quantity	2 g, 10 g, Bulk