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Sulfo Cy5 Maleimide

CAS No.
2242791-82-6
Chemical Name:
Sulfo Cy5 Maleimide
Synonyms
Sulfo-CY5-MAL;Sulfo Cy5 Maleimide;Sulfo-Cy5-Mal Potassium(Methyl);Sulfo-Cyanine5 maleimide,Sulfo-Cy5 maleimide,Sulfo-Cy5 Mal;Potassium 2-(5-(1-(6-((2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)amino)-6-oxohexyl)-3,3-dimethyl-5-sulfonatoindolin-2-ylidene)penta-1,3-dien-1-yl)-1,3,3-trimethyl-3H-indol-1-ium-5-sulfonate
CBNumber:
CB63340187
Molecular Formula:
C38H45KN4O9S2
Molecular Weight:
805.02
MDL Number:
MFCD28385506
MOL File:
2242791-82-6.mol
Last updated:2025-10-23 17:25:29

Sulfo Cy5 Maleimide Properties

solubility Soluble in Water, DMSO, DMF, DCM
Appearance Dark blue solid
ex/em 649/672 nm (PBS buffer)
ε(extinction coefficient) 271000 L⋅mol−1⋅cm−1
Φ(quantum yield) 0.28
InChIKey ZJKHQSRAFGLFOH-UHFFFAOYSA-N
SMILES C(N1C(C(C)(C)C2=CC(S(O)(=O)=O)=CC=C12)=CC=CC=CC1=[N+](C2=CC=C(S([O-])(=O)=O)C=C2C1(C)C)C)CCCCC(=O)NCCN1C(C=CC1=O)=O.[KH]

Sulfo Cy5 Maleimide price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Biosynth SPD79182 Sulfo-cyanine5 maleimide 2242791-82-6 25g $1029.75 2026-06-05 Buy
Biosynth SPD79182 Sulfo-cyanine5 maleimide 2242791-82-6 50g $1433 2026-06-05 Buy
Biosynth SPD79182 Sulfo-cyanine5 maleimide 2242791-82-6 100g $2293 2026-06-05 Buy
ACHEMBLOCK AD287108 DiSulfo-Cy5 maleimide 81% 2242791-82-6 5MG $125 2026-05-27 Buy
ACHEMBLOCK AD287108 DiSulfo-Cy5 maleimide 81% 2242791-82-6 25MG $325 2026-05-27 Buy
Product number Packaging Price Buy
SPD79182 25g $1029.75 Buy
SPD79182 50g $1433 Buy
SPD79182 100g $2293 Buy
AD287108 5MG $125 Buy
AD287108 25MG $325 Buy

Sulfo Cy5 Maleimide Chemical Properties, Uses, Production

Description

Cyanine 650 is a bright green-fluorescent dye optimal for use with the 633, 650 nm Argon laser. The maleimide can be labeled to thiol containing biomolecules such as primary antibody, secondary antibody, peptide, oligo, etc. for fluorescence imaging and other fluorescence-based biochemical analysis.

Chemical Properties

Appearance: Dark blue solid
ex/em: 649/672 nm (PBS buffer)
Extinction coefficient (ε): 271000 Lmol1cm1
Quantum yield (Φ): 0.28

Uses

Sulfo-Cy5-Mal potassium is a fluorescent dye that can be used to label protein[1].

Chemical Reactivity

Thiol (Cys)

References

[1] V Kholodenko I, et al. Multimerization through Pegylation Improves Pharmacokinetic Properties of scFv Fragments of GD2-Specific Antibodies. Molecules. 2019 Oct 24;24(21):3835. DOI:10.3390/molecules24213835

Abs/Em Maxima

646/662 nm

Fluoresene quantum yield

0.28

Extinction Coefficient

271000

CF260

0.04

CF280

0.04

Spectrally Similar Dyes

Alexa Fluor® 647, DyLight® 649,

Sulfo Cy5 Maleimide Preparation Products And Raw materials

Raw materials

Preparation Products

Sulfo Cy5 Maleimide Suppliers

Global Suppliers ( 23)
Supplier Tel Email Country ProdList Advantage
Shanghai Annengjian Biomedical Technology Co., LTD 021-68781987 13818305065 sales@energybiopharma.com China 800 58
Xinweichuang Biotechnology (Chongqing) Co., Ltd 023-68264128 17725097785 1936505460@qq.com China 2908 58
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
Shenzhen SUNGENING Bio-Medical Co., Ltd. 0755-28967200 13631290199 wxf@sungening.com China 9609 60
Bejing Famous Pharmaceutical Technology Co., Ltd. 010-80339217; 13331045123 2559355526@qq.com China 14180 58
Xi'an Confluore Biological Technology Co., Ltd. +86-156-80926068 +86-15680926068 1924344760@qq.com China 4229 58
Shanghai TenSus Biotechnology Co., Ltd. 021-50895067 18616507272;13681616114;15020344067 tensus@163.com China 8029 58
Shaanxi Xinyan Bomei Biotechnology Co., Ltd. 13892832556 2440688701@qq.com China 1981 58
Henan Weitesi Chemical Technology Co. LTD 0371-55135753 18003832934 3842570495@qq.com China 9992 58
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd 043180534350 19917294565 et@chemextension.com China 4445 58
Sulfo Cy5 Maleimide Sulfo-Cyanine5 maleimide,Sulfo-Cy5 maleimide,Sulfo-Cy5 Mal Potassium 2-(5-(1-(6-((2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)amino)-6-oxohexyl)-3,3-dimethyl-5-sulfonatoindolin-2-ylidene)penta-1,3-dien-1-yl)-1,3,3-trimethyl-3H-indol-1-ium-5-sulfonate Sulfo-Cy5-Mal Potassium(Methyl) Sulfo-CY5-MAL 2242791-82-6 cy5