Labeling Chemistry Selection Tool

Welcome to the Labeling Chemistry Selection Tool featuring Molecular Probes® reagents and labeling technologies! Quickly find the best reactive dye or label for your experiment. Whether you are labeling proteins and antibodies for immunofluorescence, nucleic acids for in situ hybridization, or lipids for membrane studies, this tool will help you find the right conjugation product.

Here are a few definitions to help you get started:

Reactivity - this filter refers to the chemical group on the molecule you want to label (i.e. your antibody, protein or DNA)

Reactive Moiety - this filter refers to the chemical group on the dye or label you want to attach to your molecule (i.e fluorescein isothiocyanate, Alexa Fluor® 488 malemide)

261 Products Returned

  Product name
  Fluorophore/Label
  Excitation
  Emission
  Extinction Coefficient
  Cat #
  Size List Price (USD) Qty
(5(6)-SFX, SE Fluorescein 494 nm 520 nm 74,000 cm-1M-1 F2181 10 mg 137.00
(5(6)-SFX, SE Fluorescein 494 nm 520 nm 74,000 cm-1M-1 F6129 10 × 1 mg Contact Us
1-pyrenebutanoic acid, SE Pyrene 341 nm 376 nm 43,000 cm-1M-1 (methanol) P130 100 mg 227.00
1-pyrenesulfonyl chloride Pyrene 350 nm 380 nm 28,000 cm-1M-1 (methanol) P24 100 mg 159.00
3-amino-3-deoxydigoxigenin hemisuccinamide, SE Digoxygenin A2952 5 mg 223.00
4-benzoylbenzoic acid, SE Crosslinker B1577 100 mg Contact Us
5(6)-CR 110, SE Rhodamine Green 504 nm 532 nm 78,000 cm-1M-1 R6107 5 mg 285.00
5(6)-CR 6G, SE Rhodamine 6G 524 nm 554 nm 92,000 cm-1M-1 C6157 5 mg 172.00
5(6)-FAM Fluorescein 492 nm 517 nm 78,000 cm-1M-1 C1904 100 mg 138.00
5(6)-FAM, SE Fluorescein 495 nm 519 nm 74,000 cm-1M-1 C1311 100 mg 166.00
5(6)-ROX, SE ROX 576 nm 601 nm 80,000 cm-1M-1 C1309 25 mg 248.00
5(6)-TAMRA Tetramethylrhodamine 540 nm 565 nm 95,000 cm-1M-1 C300 100 mg 172.00
5(6)-TAMRA, SE Tetramethylrhodamine 555 nm 580 nm 95,000 cm-1M-1 C1171 25 mg 243.00
5(6)-TAMRA-X, SE Tetramethylrhodamine 543 nm 571 nm 92,000 cm-1M-1 T6105 10 mg 245.00
5(6)-TRITC Tetramethylrhodamine 544 nm 572 nm 84,000 cm-1M-1 T490 10 mg 173.00
5(6)-XRITC X-rhodamine 572 nm 596 nm 92,000 cm-1M-1 X491 10 mg 217.00
5(6)-carboxyfluorescein Fluorescein 492 nm 517 nm 78,000 cm-1M-1 C194 5 g 153.00
5(6)-carboxynaphthofluorescein Naphthalene 598 nm 668 nm 49,000 cm-1M-1 C652 100 mg Contact Us
5-CR 6G, SE Rhodamine 6G 525 nm 555 nm 108,000 cm-1M-1 C6127 5 mg 259.00
5-DTAF Fluorescein 492 nm 516 nm 83,000 cm-1M-1 D16 100 mg 167.00
5-FAM Fluorescein 492 nm 518 nm 79,000 cm-1M-1 C1359 100 mg 138.00
5-FAM, SE Fluorescein 494 nm 520 nm 78,000 cm-1M-1 C2210 10 mg 211.00
5-ROX ROX 567 nm 591 nm 92,000 cm-1M-1 C6124 10 mg 210.00
5-ROX, SE ROX 580 nm 605 nm 78,000 cm-1M-1 C6125 5 mg 288.00
5-SFX, SE Fluorescein 494 nm 521 nm 75,000 cm-1M-1 F6106 5 mg 138.00
5-TAMRA Tetramethylrhodamine 542 nm 568 nm 91,000 cm-1M-1 C6121 10 mg 208.00
5-TAMRA, SE Tetramethylrhodamine 546 nm 579 nm 95,000 cm-1M-1 C2211 5 mg 283.00
5-TRITC; G isomer Tetramethylrhodamine 543 nm 571 nm 99,000 cm-1M-1 T1480 5 mg 158.00
6-CR 6G, SE Rhodamine 6G 524 nm 550 nm 102,000 cm-1M-1 C6128 5 mg Contact Us
6-FAM Fluorescein 492 nm 515 nm 81,000 cm-1M-1 C1360 100 mg 137.00
6-FAM, SE Fluorescein 496 nm 516 nm 83,000 cm-1M-1 C6164 10 mg 209.00
6-JOE, SE JOE 520 nm 548 nm 75,000 cm-1M-1 C6171MP 5 mg 279.00
6-ROX ROX 570 nm 590 nm 113 000 cm-1M-1 C6156 10 mg 208.00
6-ROX, SE ROX 575 nm 602 nm 82,000 cm-1M-1 C6126 5 mg 289.00
6-TAMRA Tetramethylrhodamine 540 nm 564 nm 103,000 cm-1M-1 C6122 10 mg 208.00
6-TAMRA, SE Tetramethylrhodamine 547 nm 573 nm 91,000 cm-1M-1 C6123 5 mg 294.00
6-TRITC; R isomer Tetramethylrhodamine 544 nm 572 nm 90,000 cm-1M-1 T1481 5 mg 158.00
7-diethylaminocoumarin-3-carbonyl azide Coumarin 436 nm 478 nm 57,000 cm-1M-1 D1446 25 mg 184.00
7-diethylaminocoumarin-3-carboxylic acid Coumarin 409 nm 473 nm 34,000 cm-1M-1 D1421 100 mg 87.00
7-diethylaminocoumarin-3-carboxylic acid, SE Coumarin 442 nm 483 nm 64,000 cm-1M-1 D1412 25 mg 163.00
7-hydroxy-4-methylcoumarin-3-acetic acid Coumarin 360 nm 455 nm 19,000 cm-1M-1 H1428 100 mg Contact Us
7-hydroxycoumarin-3-carboxylic acid Coumarin H185 100 mg 178.00
7-hydroxycoumarin-3-carboxylic acid, SE Coumarin 419 nm 447 nm 36,000 cm -1M-1 H1193 25 mg 158.00
7-methoxycoumarin-3-carbonyl azide Coumarin 360 nm 415 nm 25,000 cm-1M-1 M1445 25 mg Contact Us
7-methoxycoumarin-3-carboxylic acid Coumarin 336 nm 402 nm 20,000 cm-1M-1 M1420MP 100 mg 104.00
7-methoxycoumarin-3-carboxylic acid, SE Coumarin 358 nm 410 nm 26,000 cm-1M-1 (methanol) M1410 25 mg 140.00
AMCA-X, SE Coumarin 353 nm 442 nm 19,000 cm-1M-1 (methanol) A6118 10 mg 195.00
APEX™ Alexa Fluor® 488 Antibody Labeling Kit Alexa Fluor 488 494 nm 519 nm 73,000 cm-1M-1 A10468 1 kit 389.00
APEX™ Alexa Fluor® 555 Antibody Labeling Kit Alexa Fluor 555 555 nm 572 nm 155,000 cm-1M-1 A10470 1 kit 389.00
APEX™ Alexa Fluor® 594 Antibody Labeling Kit Alexa Fluor 594 590 nm 617 nm 92,000 cm-1M-1 A10474 1 kit 389.00