A fluorescent probe
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Sulforhodamine 101 Sulfonyl Chloride

Item No. 28547

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
9-[2(or 4)-(chlorosulfonyl)-4(or 2)-sulfophenyl]-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
82354-19-6
Molecular Formula
C31H29ClN2O6S2
Formula Weight
625.2
Purity
≥85%
Emission
602 nm
Excitation
585 nm
Formulation (Request formulation change)
A solid
Solubility(Learn about Variance in Solubility)
DMF: soluble
SMILES
[O-]S(C1=CC(S(Cl)(=O)=O)=CC=C1C(C2=CC3=C4N(CCC3)CCCC4=C2[O+]=C56)=C5C=C7CCCN8CCCC6=C87)(=O)=O.ClS(C9=CC(S([O-])(=O)=O)=CC=C9C(C%10=CC%11=C%12N(CCC%11)CCCC%12=C%10[O+]=C%13%14)=C%13C=C%15CCCN%16CCCC%14=C%16%15)(=O)=O
InChi Code
InChI=1S/2C31H29ClN2O6S2/c32-41(35,36)26-17-20(42(37,38)39)9-10-21(26)27-24-15-18-5-1-11-33-13-3-7-22(28(18)33)30(24)40-31-23-8-4-14-34-12-2-6-19(29(23)34)16-25(27)31;32-41(35,36)20-9-10-21(26(17-20)42(37,38)39)27-24-15-18-5-1-11-33-13-3-7-22(28(18)33)30(24)40-31-23-8-4-14-34-12-2-6-19(29(23)34)16-25(27)31/h2*9-10,15-17H,1-8,11-14H2
InChi Key
ZFCKYRIGPDQCLF-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    1 mg

    $41

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    5 mg

    $128

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    10 mg

    $196

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    Product Description

    Sulforhodamine 101 sulfonyl chloride is a fluorescent probe that binds to free amino groups and is a derivative of sulforhodamine 101 (Item No. 16953).1 It displays excitation/emission maxima of 585/602 nm, respectively. Sulforhodamine 101 sulfonyl chloride has commonly been used as a fluorescent conjugate on antibodies or proteins for the detection of proteins via fluorescent microscopy and flow cytometry applications.1

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Titus, J.A., Haugland, R., Sharrow, S.O., et al. Texas Red, a hydrophilic, red-emitting fluorophore for use with fluorescein in dual parameter flow microfluorometric and fluorescence microscopic studies. J. Immunol. Methods 50(2), 193-204 (1982).