A cell-impermeable fluorescent potassium indicator
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IPG-2 TMA

Item No. 35533

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
4,5-dichloro-6-hydroxy-9-[3-methoxy-4-[16-(2-methoxy-4-methylphenyl)-1,4,10,13-tetraoxa-7,16-diazacyclooctadec-7-yl]phenyl]-3-oxo-3H-xanthene-2,7-dipropanoate N,N,N-trimethyl-methanaminium (1:3)
CAS Number
1369302-21-5
Synonyms
  • APG-2
  • Asante Potassium Green–2
  • ION Potassium Green–2
  • IPG-2
Molecular Formula
C46H49Cl2N2O13 • 3C4H12N
Formula Weight
1131.2
Purity
≥90%
Emission
545 nm
Excitation
525 nm
Formulation (Request formulation change)
A solid
Solubility(Learn about Variance in Solubility)
Methanol: solubleWater: soluble
SMILES
O=C(CCC1=CC2=C(C3=CC(OC)=C(N4CCOCCOCCN(CCOCCOCC4)C5=C(OC)C=C(C)C=C5)C=C3)C6=CC(CCC([O-])=O)=C([O-])C(Cl)=C6OC2=C(C1=O)Cl)[O-].C[N+](C)(C)C.C[N+](C)(C)C.C[N+](C)(C)C
InChi Code
InChI=1S/C46H52Cl2N2O13.3C4H12N/c1-28-4-8-34(36(24-28)57-2)49-12-16-59-20-22-61-18-14-50(15-19-62-23-21-60-17-13-49)35-9-5-29(27-37(35)58-3)40-32-25-30(6-10-38(51)52)43(55)41(47)45(32)63-46-33(40)26-31(7-11-39(53)54)44(56)42(46)48;3*1-5(2,3)4/h4-5,8-9,24-27,55H,6-7,10-23H2,1-3H3,(H,51,52)(H,53,54);3*1-4H3/q;3*+1/p-3
InChi Key
YBECKFOPKRZNCL-UHFFFAOYSA-K
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    10 x 50 µg

    $393

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    500 µg

    $393

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    Product Description

    IPG-2 TMA is a cell-impermeable fluorescent potassium indicator. It binds to potassium (Kd = 18 mM) and displays excitation/emission maxima of 525/545 nm, respectively. IPG-2 TMA can be used in lipid membrane-free systems or liposomes or can be introduced into cells by electroporation, microinjection, or other methods. IPG-2 is also available in a cell-permeable form (Item No. 35540).

    WARNING This product is not for human or veterinary use.