21888
5(6)-Carboxyfluorescein diacetate N-succinimidyl ester
BioReagent, suitable for fluorescence, ≥90% (HPLC)
Synonym(s):
CFSE
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About This Item
Product Name
5(6)-Carboxyfluorescein diacetate N-succinimidyl ester, BioReagent, suitable for fluorescence, ≥90% (HPLC)
InChI
1S/2C29H19NO11/c1-14(31)37-17-4-7-21-23(12-17)39-24-13-18(38-15(2)32)5-8-22(24)29(21)20-6-3-16(11-19(20)28(36)40-29)27(35)41-30-25(33)9-10-26(30)34;1-14(31)37-17-4-7-20-23(12-17)39-24-13-18(38-15(2)32)5-8-21(24)29(20)22-11-16(3-6-19(22)28(36)40-29)27(35)41-30-25(33)9-10-26(30)34/h2*3-8,11-13H,9-10H2,1-2H3
SMILES string
CC(=O)Oc1ccc2c(Oc3cc(OC(C)=O)ccc3C24OC(=O)c5cc(ccc45)C(=O)ON6C(=O)CCC6=O)c1.CC(=O)Oc7ccc8c(Oc9cc(OC(C)=O)ccc9C8%10OC(=O)c%11ccc(cc%10%11)C(=O)ON%12C(=O)CCC%12=O)c7
InChI key
LZFDYQHOQDFMOA-UHFFFAOYSA-N
Quality Level
description
suitable as fluorogenic substrate for esterases
product line
BioReagent
assay
≥90% (HPLC)
form
solid
mol wt
557.46 g/mol
color
almost white to yellow
mp
152-154 °C (lit.)
solubility
DMF: soluble
DMSO: soluble
fluorescence
λex 492 nm; λem 517 nm in 0.1 M Tris pH 8.0 (esterase)
suitability
suitable for fluorescence
storage temp.
−20°C
Related Categories
Packaging
Application
- to label cells for flow cytometry
- in lymphocyte proliferation assay
- to determine the intracellular or intra-organellar pH in chloroplasts
- to label Leishmania amazonensis and Leishmania major
Biochem/physiol Actions
General description
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
At what concentration is Product 21888, 5(6)-Carboxyfluorescein diacetate N-succinimidyl ester, soluble in DMSO?
We have found 5(6)-Carboxyfluorescein diacetate N-succinimidyl ester to be soluble in DMSO at a concentration of 1 mg/mL.
What is the ratio between the (5) and (6) isomer of Product 21888, 5(6)-Carboxyfluorescein diacetate N-succinimidyl ester?
Our Quality Control group does not routinely report the ratio; however, it is very likely that both isomers are present.
Is Product 21888, 5(6)-Carboxyfluorescein diacetate N-succinimidyl ester, light sensitive?
Yes. The powder and solutions (especially solutions) should be kept protected from ambient light whenever possible.
Is Product 21888, 5(6)-Carboxyfluorescein diacetate N-succinimidyl ester, fluorescent? Are conjugates of this compound fluorescent?
No. This compound and conjugates of this compound become fluorescent only when acted upon by an enzyme such as esterase. The enzyme removes the acetate groups.
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