Our top products empowering your research from start to finish

For a limited time, save 24%* on our best-selling protein biology essentials.

Whether you are preparing proteins, conducting assays, performing electrophoresis, or running Western blotting experiments, we have you covered with our best-selling, high-quality products.

Simply apply promo code RPBEPR at checkout. Offer expires 31 December 2026.

 

Explore our special offer categories:

 

Protein Preparation:
Easily extract, purify, clean up, and concentrate your proteins of interest with our kits, reagents, and devices.

 

Protein Assays:
We offer a variety of assay reagents, kits, and standards for protein quantitation by fluorescent or colorimetric detection with fluorometers, spectrophotometers, and plate readers.

 

Protein Electrophoresis:
Our portfolio of high-quality protein electrophoresis products unites gels, gel tanks, protein gel handcast system, stains, molecular weight markers and standards, running buffers.

 

Western Blotting:
Boost your productivity with western blotting reagents and tools designed for efficient high-quality data generation.

 

 

Save Big on Our Essentials For a limited time, enjoy significant discounts on these essential protein biology products you need to drive your research forward.

Catalog # Name Size Price Qty
89821 Each
411.65

Online Exclusive

457.00 Save 45.35 (10%)
89822 Each
741.65

Online Exclusive

824.00 Save 82.35 (10%)
78501 Each
376.65

Online Exclusive

418.00 Save 41.35 (10%)
78505 Each
979.65

Online Exclusive

1,088.00 Save 108.35 (10%)
78833 Each
290.65

Online Exclusive

323.00 Save 32.35 (10%)
78840 Each
650.00
87790 Each
684.00
A43436 Each
506.00
78430 Each
240.65

Online Exclusive

270.00 Save 29.35 (11%)
87786 Each
128.65

Online Exclusive

144.00 Save 15.35 (11%)
78429 Each
460.65

Online Exclusive

518.00 Save 57.35 (11%)
78438 Each
665.65

Online Exclusive

748.00 Save 82.35 (11%)
78425 Each
221.65

Online Exclusive

252.00 Save 30.35 (12%)
87785 Each
116.65

Online Exclusive

132.00 Save 15.35 (12%)
78437 Each
443.65

Online Exclusive

504.00 Save 60.35 (12%)
78439 Each
619.65

Online Exclusive

704.00 Save 84.35 (12%)
78428 Each
394.65

Online Exclusive

443.00 Save 48.35 (11%)
78420 Each
233.65

Online Exclusive

262.00 Save 28.35 (11%)
78426 Each
767.65

Online Exclusive

862.00 Save 94.35 (11%)
78427 Each
1,026.65

Online Exclusive

1,154.00 Save 127.35 (11%)
78442 Each
429.65

Online Exclusive

477.00 Save 47.35 (10%)
78440 Each
308.65

Online Exclusive

343.00 Save 34.35 (10%)
78444 Each
876.65

Online Exclusive

974.00 Save 97.35 (10%)
78446 Each
1,294.65

Online Exclusive

1,438.00 Save 143.35 (10%)
78443 Each
399.65

Online Exclusive

459.00 Save 59.35 (13%)
78441 Each
286.65

Online Exclusive

330.00 Save 43.35 (13%)
78445 Each
831.65

Online Exclusive

956.00 Save 124.35 (13%)
78447 Each
1,230.65

Online Exclusive

1,414.00 Save 183.35 (13%)
A52961 Each
145.65

Online Exclusive

165.00 Save 19.35 (12%)
A52962 Each
189.65

Online Exclusive

216.00 Save 26.35 (12%)
A52963 Each
179.65

Online Exclusive

204.00 Save 24.35 (12%)
A52965 Each
267.65

Online Exclusive

304.00 Save 36.35 (12%)
A52966 Each
150.65

Online Exclusive

165.00 Save 14.35 (9%)
A52967 Each
196.65

Online Exclusive

216.00 Save 19.35 (9%)
A52968 Each
185.65

Online Exclusive

204.00 Save 18.35 (9%)
A52969 Each
241.65

Online Exclusive

265.00 Save 23.35 (9%)
A52970 Each
276.65

Online Exclusive

304.00 Save 27.35 (9%)
A52971 Each
150.65

Online Exclusive

165.00 Save 14.35 (9%)
A52972 Each
196.65

Online Exclusive

216.00 Save 19.35 (9%)
A52973 Each
185.65

Online Exclusive

204.00 Save 18.35 (9%)
A52974 Each
244.65

Online Exclusive

269.00 Save 24.35 (9%)
A52975 Each
276.65

Online Exclusive

304.00 Save 27.35 (9%)
A52981 Each
203.65

Online Exclusive

221.00 Save 17.35 (8%)
A52982 Each
242.65

Online Exclusive

264.00 Save 21.35 (8%)
A52983 Each
209.65

Online Exclusive

228.00 Save 18.35 (8%)
A52984 Each
308.65

Online Exclusive

336.00 Save 27.35 (8%)
A52985 Each
323.65

Online Exclusive

352.00 Save 28.35 (8%)
A52976 Each
148.65

Online Exclusive

165.00 Save 16.35 (10%)
A52977 Each
194.65

Online Exclusive

216.00 Save 21.35 (10%)
A52978 Each
183.65

Online Exclusive

204.00 Save 20.35 (10%)
A52979 Each
241.65

Online Exclusive

269.00 Save 27.35 (10%)
A52980 Each
273.65

Online Exclusive

304.00 Save 30.35 (10%)
89877 Each
170.65

Online Exclusive

199.00 Save 28.35 (14%)
89882 Each
157.65

Online Exclusive

183.00 Save 25.35 (14%)
89890 Each
281.65

Online Exclusive

328.00 Save 46.35 (14%)
89892 Each
361.65

Online Exclusive

420.00 Save 58.35 (14%)
89894 Each
440.65

Online Exclusive

512.00 Save 71.35 (14%)

Catalog # Name Size Price Qty
A55861 Each
217.65

Online Exclusive

232.00 Save 14.35 (6%)
A55860 Each
327.65

Online Exclusive

349.00 Save 21.35 (6%)
23227 Each
167.65

Online Exclusive

193.00 Save 25.35 (13%)
23235 Each
296.65

Online Exclusive

341.00 Save 44.35 (13%)
23236 Each
248.65

Online Exclusive

292.00 Save 43.35 (15%)
23238 Each
196.65

Online Exclusive

226.00 Save 29.35 (13%)

Catalog # Name Size Price Qty
HC1000SR Each
722.00
HC1000S Each
536.00
NW00080BOX Each
174.65

Online Exclusive

196.00 Save 21.35 (11%)
NW00082BOX Each
174.65

Online Exclusive

196.00 Save 21.35 (11%)
NW00085BOX Each
174.65

Online Exclusive

196.00 Save 21.35 (11%)
NW00087BOX Each
174.65

Online Exclusive

196.00 Save 21.35 (11%)
NW00100BOX Each
182.65

Online Exclusive

196.00 Save 13.35 (7%)
NW00102BOX Each
182.65

Online Exclusive

196.00 Save 13.35 (7%)
NW00105BOX Each
182.65

Online Exclusive

196.00 Save 13.35 (7%)
NW00107BOX Each
182.65

Online Exclusive

196.00 Save 13.35 (7%)
NW00120BOX Each
176.65

Online Exclusive

196.00 Save 19.35 (10%)
NW00122BOX Each
176.65

Online Exclusive

196.00 Save 19.35 (10%)
NW00125BOX Each
176.65

Online Exclusive

196.00 Save 19.35 (10%)
NW00127BOX Each
176.65

Online Exclusive

196.00 Save 19.35 (10%)
NW04120BOX Each
172.65

Online Exclusive

196.00 Save 23.35 (12%)
NW04122BOX Each
172.65

Online Exclusive

196.00 Save 23.35 (12%)
NW04125BOX Each
172.65

Online Exclusive

196.00 Save 23.35 (12%)
NW04127BOX Each
172.65

Online Exclusive

196.00 Save 23.35 (12%)
26628 Each
209.00
26619 Each
176.65

Online Exclusive

208.00 Save 31.35 (15%)
26623 Each
691.65

Online Exclusive

804.00 Save 112.35 (14%)
26634 Each
164.65

Online Exclusive

192.00 Save 27.35 (14%)
26625 Each
237.00
LC6060 Each
239.00
LC6065 Each
568.00
A25977 Each
754.65

Online Exclusive

778.00 Save 23.35 (3%)

Catalog # Name Size Price Qty
NW2000 Each
1,343.65

Online Exclusive

1,400.00 Save 56.35 (4%)
PB0012 Each
3,815.00
PB0013 Each
4,190.00
PB0112 Each
4,120.00
PB0113 Each
4,555.00
IB31001 Each
4,900.00
IB31001S Each
5,140.00
IB31002S Each
5,160.00

Catalog # Name Size Price Qty
37578 Each
52.65

Online Exclusive

62.50 Save 9.85 (16%)
37538 Each
242.65

Online Exclusive

285.00 Save 42.35 (15%)
37579 Each
52.65

Online Exclusive

62.50 Save 9.85 (16%)
37542 Each
242.65

Online Exclusive

286.00 Save 43.35 (15%)
37539 Each
259.65

Online Exclusive

305.00 Save 45.35 (15%)
37543 Each
257.65

Online Exclusive

303.00 Save 45.35 (15%)
37580 Each
52.65

Online Exclusive

63.00 Save 10.35 (16%)
37515 Each
228.65

Online Exclusive

276.00 Save 47.35 (17%)
37518 Each
750.65

Online Exclusive

904.00 Save 153.35 (17%)
37581 Each
52.65

Online Exclusive

63.00 Save 10.35 (16%)
37535 Each
234.65

Online Exclusive

283.00 Save 48.35 (17%)
37516 Each
251.65

Online Exclusive

303.00 Save 51.35 (17%)
37536 Each
251.65

Online Exclusive

303.00 Save 51.35 (17%)
37517 Each
234.65

Online Exclusive

255.00 Save 20.35 (8%)
37537 Each
233.65

Online Exclusive

254.00 Save 20.35 (8%)
37565 Each
175.00
37527 Each
250.65

Online Exclusive

279.00 Save 28.35 (10%)
37585 Each
55.65

Online Exclusive

62.50 Save 6.85 (11%)
37570 Each
233.65

Online Exclusive

263.00 Save 29.35 (11%)
37584 Each
55.65

Online Exclusive

62.50 Save 6.85 (11%)
37572 Each
244.65

Online Exclusive

275.00 Save 30.35 (11%)
37571 Each
265.65

Online Exclusive

298.00 Save 32.35 (11%)
37573 Each
262.65

Online Exclusive

295.00 Save 32.35 (11%)
28379 Each
100.65

Online Exclusive

113.00 Save 12.35 (11%)
28376 Each
206.65

Online Exclusive

232.00 Save 25.35 (11%)
28344 Each
124.65

Online Exclusive

139.00 Save 14.35 (10%)
28374 Each
209.65

Online Exclusive

235.00 Save 25.35 (11%)
28320 Each
167.65

Online Exclusive

184.00 Save 16.35 (9%)
28328 Each
158.65

Online Exclusive

185.00 Save 26.35 (14%)
28314 Each
160.65

Online Exclusive

185.00 Save 24.35 (13%)
28324 Each
153.65

Online Exclusive

185.00 Save 31.35 (17%)
21059 Each
181.65

Online Exclusive

216.00 Save 34.35 (16%)
21063 Each
755.65

Online Exclusive

900.00 Save 144.35 (16%)
46430 Each
189.65

Online Exclusive

218.00 Save 28.35 (13%)
62300 Each
198.65

Online Exclusive

216.00 Save 17.35 (8%)
46640 Each
322.65

Online Exclusive

362.00 Save 39.35 (11%)
LC2570 Each
96.25
LC5615 Each
353.00
LC5602 Each
383.65

Online Exclusive

408.00 Save 24.35 (6%)
22860 Each
152.65

Online Exclusive

174.00 Save 21.35 (12%)
88018 Each
505.65

Online Exclusive

556.00 Save 50.35 (9%)
77010 Each
383.65

Online Exclusive

422.00 Save 38.35 (9%)
88025 Each
160.65

Online Exclusive

177.00 Save 16.35 (9%)
88014 Each
174.65

Online Exclusive

192.00 Save 17.35 (9%)
77012 Each
381.65

Online Exclusive

429.00 Save 47.35 (11%)
88024 Each
157.65

Online Exclusive

177.00 Save 19.35 (11%)
88013 Each
169.65

Online Exclusive

191.00 Save 21.35 (11%)
34577 Each
187.65

Online Exclusive

223.00 Save 35.35 (16%)
34580 Each
329.65

Online Exclusive

393.00 Save 63.35 (16%)
34578 Each
544.65

Online Exclusive

648.00 Save 103.35 (16%)
34075 Each
387.65

Online Exclusive

445.00 Save 57.35 (13%)
34076 Each
683.65

Online Exclusive

786.00 Save 102.35 (13%)
A38555 Each
438.65

Online Exclusive

498.00 Save 59.35 (12%)
A38556 Each
721.65

Online Exclusive

820.00 Save 98.35 (12%)

For Research Use Only. Not for use in diagnostic procedures.

*Terms and Conditions: This promotion is available to customers in Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Hungary, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, South Africa, Slovakia, Spain, Sweden, Switzerland and the United Kingdom for the purchase of qualifying protein biology top sellers reagents and products. Offer applies to research use only products. Enter promotion code RPBEPR for 24% off on qualifying protein biology top sellers products. See a complete list of eligible products above. Offer valid for qualifying orders received by Thermo Fisher Scientific no later than 31 December 2026, or until promotional supplies are depleted, whichever comes first. Discount offer is limited to one redemption per order. Discount applies to the list price in effect at the time the order is received. Cannot be combined with other discounts or promotions. Offer void where prohibited, licensed, or restricted by federal, state, provincial, or local laws or regulation or agency/institutional policy. Other restrictions may apply. Please note that the value of the specific offer(s) the customer may receive from the manufacturer under this program can be considered as a gift or an advantage, and as a result pursuant to applicable local law, it could give rise to declaration, notification, publication or reporting. The customer also warrants it will comply with any local law relating to transparency, as the case may be. All offers subject to Thermo Fisher standard terms and conditions of sale. Other geographical restrictions may apply.