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

MedKoo CAT#: 563706

CAS#: 92557-80-7

Description: 5-FAMSE is a cell-permeable green fluorescent labeling probe, demostrating excitation and emission maxima are 494 and 520 nm, respectively.

Chemical Structure

CAS# 92557-80-7

Theoretical Analysis

MedKoo Cat#: 563706
Name: 5-FAMSE
CAS#: 92557-80-7
Chemical Formula: C25H15NO9
Exact Mass: 473.0747
Molecular Weight: 473.39
Elemental Analysis: C, 63.43; H, 3.19; N, 2.96; O, 30.42

Price and Availability

Size Price Availability Quantity
5.0mg USD 250.0 2 Weeks
10.0mg USD 430.0 2 Weeks
25.0mg USD 760.0 2 Weeks
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Synonym: 5-FAMSE; 5 FAMSE; 5FAMSE; CFSE; 5-FAM-SE;

IUPAC/Chemical Name: 2,5-dioxopyrrolidin-1-yl 3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carboxylate


InChi Code: InChI=1S/C25H15NO9/c27-13-2-5-17-19(10-13)33-20-11-14(28)3-6-18(20)25(17)16-4-1-12(9-15(16)24(32)34-25)23(31)35-26-21(29)7-8-22(26)30/h1-6,9-11,27-28H,7-8H2

SMILES Code: OC1=CC=C2C3(C4=C(OC2=C1)C=C(O)C=C4)C5=C(C(O3)=O)C=C(C(ON6C(CCC6=O)=O)=O)C=C5

Appearance: Solid powder

Purity: >98% (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: >3 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: 2934.99.03.00

Preparing Stock Solutions

The following data is based on the product molecular weight 473.39 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

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1: Zahng J, Liu W, Liu L. [Study on 5-carboxyfluorescein N-succinimidyl ester in detecting the degree of cross-linked allogenic tissue]. Sheng Wu Yi Xue Gong Cheng Xue Za Zhi. 2010 Aug;27(4):816-9. Chinese. PubMed PMID: 20842851.


5.0mg / USD 250.0