Quantum Yield [Cy5 (Cyanine-5)]

The quantum yield (Φ) for Cy5 (Cyanine-5) is 0.27 in PBS, 0.4 in Ethanol

To request additional information and datasets for Cy5 (Cyanine-5), please contact info@aatbio.com.

Unless otherwise specified, quantum yield (Φ) values are typically measured in ddH₂O or PBS.

Cy5 (Cyanine-5) is spectrally similar to DiD, TOTO-3, Atto 647, Atto 647N, Amplite IR, iFluor 647, zFluor 647, DiIC12(5)-DS, DiIC18(5)-DS, Alexa Fluor 647, APC (Allophycocyanin), TF5WS (Tide Fluor 5WS)

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αNND

αNPD

αNPO

βNND

βNPD

1,1'-Binaphthyl

1,1,4,4-Tetraphenylbutadiene

1,1-Diphenyl Ethylene

1,2,4-Trimethyl Benzene

1,2-Benzofluorene

1,2-Diphenyl Indole

1,3,5-Triethyl Benzene

1,3,5-Triphenyl Benzene

1,3,5-Triphenyl Pentane

1,3,6,8,-Tetraphenyl Pyrene

1,3-Dimethyl-2-Phenyl Indole

1,4,5,8-Tetraphenyl Naphthalene

1,4-Bis (Trifluoromethyl) Benzene

1,4-Dimethoxy Benzene

1,4-Diphenyl Naphthalene

1,5-Diphenyl Naphthalene

1,6-Diphenylhexatriene

1,7-Diphenyl Naphthalene

1,8-Diphenyl-1,3,5,7-Octatetraene

1-ANS

1-Amino Anthracene

1-Biphenylyl-2-Phenyl Indole

1-Methyl Fluorene

1-Methyl Naphthalene

1-Methyl-2,3-Diphenyl Indole

1-Methyl-2-Phenyl Indole

1-Methyl-3,2' Trimethylene-2-Phenyl Indole

1-Methyl-3,2'-Ethylene-2-Phenyl Indole

1-Methyl-3,2'-Methylene-2-Phenyl Indole

1-Methyl-4-Ethyl Benzene

1-N-Butyl-2(Biphenylyl-4) Indole

1-Naphthol

1-Naphthylamine

1-Neopentyl-2-Phenyl Indole

1-Phenyl Naphthalene

10-Ethoxy-Benzo (KL) Xanthene

2,2'-Binaphthyl

2,2'-Dimethyl Biphenyl

2,2'-Ethylene-P-Terphenyl

2,2'-Methylene-5',6"-Methylene-P-Terphenyl

2,2'-Methylene-P-Terphenyl

2,3-Dimethyl Naphthalene

2,3-Diphenyl Indole

2,5-Di(2-Methylphenyl) Oxadiazole

2,6-Dimethyl Naphthalene

2-(4-Fluorophenyl)-5-Phenyloxazole

2-Methyl Naphthalene

2-Methyl-P-Terphenyl

2-Naphthol

2-Phenyl Indole

2-Phenyl Naphthalene

2-Phenyl Phenanthrene

2-Phenyl-3,2'-Ethylene Indole

2-Phenyl-3,2'-Methylene Indole

2-Phenyl-3,2'-Trimethylene Indole

3,3"'-Dimethyl-3',2"-Ethylene-P-Quaterphenyl

3,3"'-Dimethyl-3',2"-Methylene-P-Quaterphenyl

3,3"-Dimethyl-P-Quaterphenyl

3,3"-Dimethyl-P-Terphenyl

3,3'-Dimethyl Biphenyl

3,4-Benzophenanthrene

3-Amino Fluoranthene

3-Phenyl Dibenzofuran

3-Phenyl Fluoranthene

4,4"'-Di(2-Butyloctoxy-1)-P-Quaterphenyl

4,4"-Dihexahydrofarnesoxy-P-Terphenyl

4,4'-Di(N-Butoxy)-1,1'-Binaphthyl

4,4'-Diisobutoxy Biphenyl

4,4'-Dimethoxy Biphenyl

4-(3,3-Dimethylbutoxy)-P-Terphenyl

4-Benzyl Biphenyl

4-Biphenylyl Phenyl Ether

4-Methoxy Biphenyl

4-Methyl Biphenyl

4-Methyl Terphenyl

4-Vinyl Biphenyl

7-AAD (7-Aminoactinomycin D)

9,10-Bis (Phenyl-Ethynyl) Anthracene

9,10-Bis(Phenylethynyl)Anthracene

9,10-Dichloro Anthracene

9,10-Dihydrophenanthrene

9,10-Diphenyl Anthracene

9,10-Diphenylanthracene

9,12-Di-(N-Octadecoxy)-Benz-(E)-Acephenanthrylene

9-(P-Vinylphenyl)-10-Phenyl Anthracene

9-Methyl Anthracene

9-Phenyl Anthracene

9-Vinyl Anthracene

AATOM™ 390

AATOM™ 425

AATOM™ 465

AATOM™ 488

AATOM™ 495

AATOM™ 514

AATOM™ 520

AATOM™ 532

AATOM™ 550

AATOM™ 565

AATOM™ 590

AATOM™ 594

AATOM™ 610

AATOM™ 620

AATOM™ 633

AATOM™ 647

AATOM™ 647N

AATOM™ 655

AATOM™ 665

AATOM™ 680

AATOM™ 700

AATOM™ 725

AATOM™ 740

AATOM™ Oxa12

AATOM™ Rho101

AATOM™ Rho11

AATOM™ Rho12

AATOM™ Rho13

AATOM™ Rho14

AATOM™ Rho3B

AATOM™ Rho6G

AATOM™ Thio12

ABY

AFC (7-Amino-4-trifluoromethylcoumarin)

Acenaphthene

Alexa Fluor 488

Alexa Fluor 532

Alexa Fluor 546

Alexa Fluor 555

Alexa Fluor 568

Alexa Fluor 594

Alexa Fluor 647

Alexa Fluor 660

Alexa Fluor 680

Alexa Fluor 700

Alexa Fluor 750

Aniline

Anisole

Anthracene

Atto 390

Atto 425

Atto 465

Atto 488

Atto 495

Atto 514

Atto 520

Atto 532

Atto 550

Atto 565

Atto 590

Atto 594

Atto 610

Atto 620

Atto 633

Atto 647

Atto 647N

Atto 655

Atto 665

Atto 680

Atto 700

Atto 725

Atto 740

Atto Oxa12

Atto Rho101

Atto Rho11

Atto Rho12

Atto Rho13

Atto Rho14

Atto Rho3B

Atto Rho6G

Atto Thio12

Auramine O

Azulene

B-phycoerythrin

BBOT

BO-PRO-1

BO-PRO-3

BOBO-1

BOBO-3

BODIPY FL

BODIPY-Phenyl

BODIPY-TMSCC

BPSB

Benzene

Benzo(Ghi)fluoranthene

Benzyl Acetate

Benzyl Alcohol

Bibenzyl

Biphenyl

Bis-MSB

Cal Green

Cal-500

Cal-520

Cal-590

Cal-590 Dextran

Cal-630

Calbryte 520

Carbazole

Chrysene

Coumarin 1

Coumarin 30

Coumarin 314

Coumarin 343

Coumarin 6

Cresyl Violet

Cy2

Cy3 (Cyanine-3)

Cy3.5 (Cyanine-3.5)

Cy3B

Cy3B Acid

Cy5 (Cyanine-5)

Cy5.5 (Cyanine-5.5)

Cy5.5NS

Cy7 (Cyanine-7)

DCF

Deuterated Anthracene (C14D10)

Deuterated Benzene (C6D6)

Deuterated Biphenyl (C12D10)

Deuterated Naphthalene (C10D8)

Deuterated P-Terphenyl (C18D14)

Deuterated P-Xylene (C8D10)

Deuterated Toluene (C7D8)

Deuterated Triphenylene

Di(3-Ethylheptyl)-P-Quinquephenyl

DiTO™-1

DiTO™-3

DiYO™-1

DiYO™-3

Dibenzofuran

Dibenzothiophene

Diethyl-P-Quinquephenyl

Dimethyl POPOP

Diphenyl Methane

DsRed

Ethyl Benzene

Ethyl-p-Dimethylaminobenzoate

FITC (Fluorescein-5-isothiocyanate)

Fluo-3

Fluo-4

Fluo-8

Fluoranthene

Fluorene

Fluorescein

Fluorobenzene

Glutite Red 670

Hoechst 33258

Indole

Isopropyl Benzene

JOJO-1

JUN

L-Tyrosine

LOLO-1

M-Xylene

MP650

Merocyanine 540

Mesitylene

Monoisopropyl Biphenyl

N,N-Dimethyl Aniline

N-Methyl-2,3-Benzcarbazole

N-Methylcarbazole

N-Phenyl Carbazole

N-Vinylcarbazole

Naphthalene

Nile Blue

Nile Red

O-Phenylene-Pyrene

O-Xylene

Octamethyl Biphenyl

Oxazine 1

Oxazine 170

P-Cresol

P-Methyl Anisole

P-Quaterphenyl

P-Terphenyl

P-Xylene

PBD

PE (phycoerythrin)

PO-PRO-1

PO-PRO-3

POPO-1

POPO-3

POPOP

PPD

PPF

PPO

PacBlue

Pacific Blue

Perylene

Phenanthrene

Phenol

Phenyl Ether

Phenylcyclohexane

Polystyrene

Polyvinyltoluene

Proflavin

PromoFluor-350

PromoFluor-405

PromoFluor-415

PromoFluor-488

PromoFluor-488 Premium

PromoFluor-488LSS

PromoFluor-500LSS

PromoFluor-505

PromoFluor-510LSS

PromoFluor-514LSS

PromoFluor-520LSS

PromoFluor-532

PromoFluor-546

PromoFluor-555

PromoFluor-590

PromoFluor-610

PromoFluor-633

PromoFluor-647

PromoFluor-670

PromoFluor-680

PromoFluor-700

PromoFluor-750

PromoFluor-770

PromoFluor-780

Propidium iodide

Propyl Benzene

Pyrene

Quinine Sulfate

ROX (carboxy-X-rhodamine)

Resorufin

Rhod-2

Rhod-4

Rhodamine 101

Rhodamine 6G

Rhodamine B

Riboflavin

Rose Bengal

SYTO 11

SYTO 13

SYTO 17

SYTOX Green

SYTOX Orange

Sec-Butyl Benzene

Sexiphenyl Benzene

Squarylium dye III

TF1 (Tide Fluor 1)

TF2 (Tide Fluor 2)

TF2WS (Tide Fluor 2WS)

TF3 (Tide Fluor 3)

TF3WS (Tide Fluor 3WS)

TF4 (Tide Fluor 4)

TF5WS (Tide Fluor 5WS)

TF6WS (Tide Fluor 6WS)

TF7WS (Tide Fluor 7WS)

TF8WS (Tide Fluor 8WS)

TMP

TMPD

TO-PRO-1

TO-PRO-3

TOTO-1

TOTO-3

TWO-PRO™ 1

TWO-PRO™ 3

Tetramethyl-P-Quaterphenyl

Tetramethyl-P-Sexiphenyl

Texas Red

Texas Red-X

Texas Red-X, ortho

Toluene

Trans-1-(4-Biphenylyl)-2-(1-Naphthyl)-Ethylene

Trans-1-(4-Biphenylyl)-2-Phenyl-Ethylene

Triphenylamine

Triphenylene

Tryptophan

XFD488 Alexa Fluor® 488 Equivalent

XFD532 Alexa Fluor® 532 Equivalent

XFD546 Alexa Fluor® 546 Equivalent

XFD555 Alexa Fluor® 555 Equivalent

XFD568 Alexa Fluor® 568 Equivalent

XFD594 Alexa Fluor® 594 Equivalent

XFD647 Alexa Fluor® 647 Equivalent

XFD680 Alexa Fluor® 680 Equivalent

XFD700 Alexa Fluor® 700 Equivalent

XFD750 Alexa Fluor® 750 Equivalent

YO-PRO-1

YOYO-1

YOYO-3

Zinc Phthalocyanine

ZnOEP

ZnTMP

iFluor 597

iFluor 350

iFluor 405

iFluor 430

iFluor 440

iFluor 450

iFluor 488

iFluor 514

iFluor 532

iFluor 546

iFluor 555

iFluor 560

iFluor 568

iFluor 570

iFluor 594

iFluor 610

iFluor 633

iFluor 647

iFluor 660

iFluor 665

iFluor 670

iFluor 680

iFluor 690

iFluor 710

iFluor 740

iFluor 750

iFluor 770

iFluor 780

iFluor 790

iFluor 800

iFluor 810

iFluor 820

iFluor 860

iFluor IRD 800 CW

iFluor™ 460

iFluor™ 700

iFluor™ 720

iFluor™ A7

iFluor™ Ultra 594

iFluor™ Ultra 647

iFluor™ Ultra 750

m-Quaterphenyl

m-Terphenyl

mFluor™ Blue 590

mFluor™ Blue 620

mFluor™ UV375

mFluor™ UV455

mFluor™ UV460

mFluor™ UV540

mFluor™ UV610

mFluor™ Violet 420

mFluor™ Violet 450

mFluor™ Violet 480

mFluor™ Violet 500

mFluor™ Violet 505

mFluor™ Violet 510

mFluor™ Violet 540

mFluor™ Violet 545

mFluor™ Violet 550

mFluor™ Violet 590

mFluor™ Violet 610

zFluor 635

References

This online resource may be cited as follows

MLA	"Quest Database™ Quantum Yield [Cy5 (Cyanine-5)]." AAT Bioquest, Inc., 14 Jan. 2026, https://www.aatbio.com/resources/quantum-yield/cy5_cyanine_5.
APA	AAT Bioquest, Inc. (2026, January 14). Quest Database™ Quantum Yield [Cy5 (Cyanine-5)]. AAT Bioquest. https://www.aatbio.com/resources/quantum-yield/cy5_cyanine_5.
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