MedKoo Cat#: 581069 | Name: 5-FAM
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Description:

WARNING: This product is for research use only, not for human or veterinary use.

5-Carboxyfluorescein is a highly soluble dye which is utilized as a pH indicator. 5-Carboxyfluorescein displays strong fluorescence and is concentration dependent. This compound labels proteins, nucleotides and peptides from carboxylic acid interacting with primary amines.

Chemical Structure

5-FAM
5-FAM
CAS#76823-03-5

Theoretical Analysis

MedKoo Cat#: 581069

Name: 5-FAM

CAS#: 76823-03-5

Chemical Formula: C21H12O7

Exact Mass: 376.0583

Molecular Weight: 376.32

Elemental Analysis: C, 67.03; H, 3.21; O, 29.76

Price and Availability

Size Price Availability Quantity
1g USD 350.00 2 Weeks
2g USD 550.00 2 Weeks
5g USD 850.00 2 Weeks
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Related CAS #
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Synonym
5-FAM; 5-Carboxyfluorescein; 5 FAM; 5FAM; 5 Carboxyfluorescein; 5Carboxyfluorescein;
IUPAC/Chemical Name
5-Carboxyfluorescein; 3',6'-Dihydroxy-3-oxo-spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-5-carboxylic acid
InChi Key
NJYVEMPWNAYQQN-UHFFFAOYSA-N
InChi Code
InChI=1S/C21H12O7/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/h1-9,22-23H,(H,24,25)
SMILES Code
O=C1OC2(C3=C(OC4=C2C=CC(O)=C4)C=C(O)C=C3)C5=C1C=C(C(O)=O)C=C5
Appearance
Solid powder
Purity
>97% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>2 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 376.32 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
1: Weinstein JN, Blumenthal R, Klausner RD. Carboxyfluorescein leakage assay for lipoprotein-liposome interaction. Methods Enzymol. 1986;128:657-68. PubMed PMID: 3724529. 2: David R, Machova Z, Beck-Sickinger AG. Semisynthesis and application of carboxyfluorescein-labelled biologically active human interleukin-8. Biol Chem. 2003 Dec;384(12):1619-30. PubMed PMID: 14719805. 3: Fischer R, Mader O, Jung G, Brock R. Extending the applicability of carboxyfluorescein in solid-phase synthesis. Bioconjug Chem. 2003 May-Jun;14(3):653-60. PubMed PMID: 12757391.