A red fluorescent dye
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Product Categories

Product Type

Biochemicals
Labeling & Detection
Fluorescent Probes

Research Area

Application

ELISA
Flow Cytometry
Fluorescence

Rhodamine 101 (inner salt)

Item No. 20654

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
9-(2-carboxyphenyl)-2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-xantheno[2,3,4-ij:5,6,7-i’j’]diquinolizin-18-ium, inner salt
CAS Number
116450-56-7
Synonyms
  • RH101
  • Rhodamine 640
Molecular Formula
C32H30N2O3
Formula Weight
490.6
Purity
≥95%
Emission
595 nm
Excitation
565 nm
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
Ethanol: 0.1 mg/ml
λmax
232, 266, 311, 367, 567 nm
SMILES
[O-]C(C(C=CC=C1)=C1C2=C3C(C4=C(N5CCC4)C(CCC5)=C3)=[O+]C6=C(CCC7)C(N7CCC8)=C8C=C62)=O
InChi Code
InChI=1S/C32H30N2O3/c35-32(36)22-10-2-1-9-21(22)27-25-17-19-7-3-13-33-15-5-11-23(28(19)33)30(25)37-31-24-12-6-16-34-14-4-8-20(29(24)34)18-26(27)31/h1-2,9-10,17-18H,3-8,11-16H2
InChi Key
MUSLHCJRTRQOSP-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    100 mg

    $41

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    250 mg

    $90

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    500 mg

    $148

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    Product Description

    Rhodamine 101 (inner salt) is a bright fluorescent dye with excitation and emission maxima of 565 and 595 nm, respectively.1,2 It can be used in various biological applications such as fluorescence microscopy, flow cytometry, fluorescence correlation spectroscopy, and ELISA.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Aigner, D., Borisov, S.M., and Klimant, I. New fluorescent perylene bisimide indicators--a platform for broadband pH optodes. Anal. Bioanal. Chem. 400(8), 2475-2485 (2011).

    2. Crissman, H.A., and Steinkamp, J.A. Rapid, one step staining procedures for analysis of cellular DNA and protein by single and dual laser flow cytometry. Cytometry 3(2), 84-90 (1982).