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8.51082

5(6)-Carboxyfluorescein

Novabiochem®

Synonym(s):

5(6)-Carboxyfluorescein

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About This Item

Empirical Formula (Hill Notation):
C21H12O7
CAS Number:
72088-94-9
Molecular Weight:
376.32
UNSPSC Code:
12352005
EC Index Number:
276-331-1
NACRES:
NA.22
MDL number:
MFCD00151081
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Quality Level

200

product line

Novabiochem®

form

powder

reaction suitability

reagent type: fluorescent-labelling reagent

manufacturer/tradename

Novabiochem®

application(s)

peptide synthesis

storage temp.

2-8°C

SMILES string

O6C8(c9c(cc(cc9)O)Oc%10c8ccc(c%10)O)c7c(ccc(c7)C(=O)O)C6=O.O1C3(c4c(cc(cc4)O)Oc5c3ccc(c5)O)c2c(cc(cc2)C(=O)O)C1=O

InChI

1S/2C21H12O7/c22-11-2-5-15-17(8-11)27-18-9-12(23)3-6-16(18)21(15)14-4-1-10(19(24)25)7-13(14)20(26)28-21;22-11-2-5-14-17(8-11)27-18-9-12(23)3-6-15(18)21(14)16-7-10(19(24)25)1-4-13(16)20(26)28-21/h2*1-9,22-23H,(H,24,25)

InChI key

BPVHBBXCESDRKW-UHFFFAOYSA-N

General description

Novabiochem®′s 5(6)-carboxyfluorescein (FAM; λem494 nm; λex518 nm) is a useful tool for preparing fluorescently-labeled peptides. It is supplied as a mixture of 5-and 6-isomers, making it cost effective for those applications which do not require a single isomer dye.

Associated Protocols and Technical Articles
Chromogenic Labeling of Synthetic Peptides

Application

5(6)-Carboxyfluorescein Novabiochem®. CAS 72088-94-9, molar mass 376.32 g/mol.

Analysis Note

Colour (visual): yellow to orange
Appearance of substance (visual): powder
Identity (IR): passes test
Purity (TLC (EtOAc/MeOH/H2O/DIPEA 60 : 30 : 10 : 3)): ≥ 97 %
Assay isomers (HPLC, area%): ≥ 96.0 % (a/a)

To see the solvent systems used for TLC of Novabiochem® products please click here.

Other Notes

Replaces: 01-63-0149

Legal Information

Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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