Calcein (mixture of isomers) [for Fluorometric Determination of Ca] TCI C0004

Chemical Identity

Other names: Fluorexon (mixture of isomers) · Fluorescein Bis(methyliminodiacetic Acid) (mixture of isomers) · Bis[N,N-bis(carboxymethyl)aminomethyl]fluorescein (mixture of isomers)
CAS No.: 154071-48-4
PubChem: CID 65079·SID 87565216
Formula: C30H26N2O13
Molecular weight: 622.54 g/mol

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 2-[[7'-[[bis(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-2'-yl]methyl-(carboxymethyl)amino]acetic acid
SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C(=C4)CN(CC(=O)O)CC(=O)O)O)OC5=C3C=C(C(=C5)O)CN(CC(=O)O)CC(=O)O
InChIKey: DEGAKNSWVGKMLS-UHFFFAOYSA-N
MDL: MDL00005049

Rp 1.670.550,00

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TCI C0004 Calcein (mixture of isomers) is a fluorescein-based fluorescent probe bearing iminodiacetate chelating groups. It is widely used in life science as a fluorescent label for cell studies, membrane integrity assessment, and as a bone-mineralization marker in growth-rate measurements. In analytical work it also serves as a metallofluorescent indicator for the fluorometric determination of calcium. Available in 1 g and 5 g packs, it should be protected from light and stored cool and dry to preserve fluorescence intensity.