Tricolor Prestained Protein MW Marker (9-180kDa) - for western blot, suitable for electrophoresis, 9-180kDa; 9 Green/ 16 Blue/ 25 Blue/ 30 Blue/ 38 Blue/ 50 Blue/ 64 Orange/ 85 Blue/ 125 Blue/ 180 Blue kDa

Cat. No.: T1491646
AVAILABLE TO ORDER
GRADE & PURITY Suitable for electrophoresis ? Electrophoresis grade — low ionic/UV impurities for clean gel runs. Use in agarose/PAGE electrophoresis where impurities distort bands. for Western blot ? Western-blot grade — suited to protein transfer and immunodetection. Use in Western workflows where reagent purity keeps background low. 9-180kDa; 9 Green/ 16 Blue/ 25 Blue/ 30 Blue/ 38 Blue/ 50 Blue/ 64 Orange/ 85 Blue/ 125 Blue/ 180 Blue kDa
Synonyms
Prestained Color Protein Marker | Prestained Color Protein Ladder | Broad Multi Color Pre-Stained Protein Standard | Star Ribbon Pre-stained Protein Marker | Tricolor Pre-Stained Protein Marker
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
Application
WB
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250μl
T1491646-250μl
2
$69.90
10×250μl
T1491646-10×250μl
1-2 wks(?)
Item is derived from our semi-finished stock and is processed in 1-2 weeks.
$509.90
4×250μl
T1491646-4×250μl
1-2 wks(?)
Item is derived from our semi-finished stock and is processed in 1-2 weeks.
$219.90
Enter a quantity for the sizes you want to add.
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Why this grade

for western blot, suitable for electrophoresis, 9-180kDa; 9 Green/ 16 Blue/ 25 Blue/ 30 Blue/ 38 Blue/ 50 Blue/ 64 Orange/ 85 Blue/ 125 Blue/ 180 Blue kDa for Western blot,Suitable for electrophoresis for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

This product consists of 10 protein bands ranging from 9 kDa to 180 kDa (9 kDa, 16 kDa, 25 kDa, 30 kDa, 38 kDa, 50 kDa, 64 kDa, 85 kDa, 125 kDa, 180 kDa). The low-to-high molecular weight range allows monitoring of protein separation during electrophoresis, determination of target protein molecular weights, and assessment of transfer efficiency in Western Blot experiments. The 9 kDa and 64 kDa bands are conjugated with green or red dyes, facilitating real-time observation of the electrophoresis process and determination of protein molecular weights.

Usage method:

1. Place at room temperature for several minutes before loading. After thawing, gently shake to ensure the solution is thoroughly mixed.

2. Load an appropriate volume into the gel wells. The recommended volume is 2–5 μL per well, which can be adjusted according to specific conditions.

3. After use, cap the tube and return it to 4°C or -20°C.

Note: Taking a 5 μL loading volume as an example, the protein content of each band is approximately 1–3 μg. 

Precautions

1. This product already contains loading buffer. Use it directly; do not heat or boil.

2. To avoid repeated freeze-thaw cycles and contamination, aliquot the product and store at -20°C.

3. The prestained protein molecular weight standard is intended only for approximate molecular weight reference; batch-to-batch variation is approximately 5%.

4. In low-concentration gels, low molecular weight bands may co-migrate with the dye front and cannot be resolved.

5. The migration of prestained proteins may vary in different gel and buffer systems. Calibration using a non-prestained protein molecular weight standard is recommended, and the product can be used normally after calibration.

6. The protein molecular weight standard may exhibit non‑specific binding to antibodies. This can be optimized by reducing antibody concentration, shortening incubation time, and decreasing the loading amount of the protein molecular weight standard.

7. For your safety and health, please wear a lab coat and disposable gloves during handling.

8. This product is for research use only.

Specifications

Synonyms
Prestained Color Protein Marker | Prestained Color Protein Ladder | Broad Multi Color Pre-Stained Protein Standard | Star Ribbon Pre-stained Protein Marker | Tricolor Pre-Stained Protein Marker
Specifications & Purity
for western blot, suitable for electrophoresis, 9-180kDa; 9 Green/ 16 Blue/ 25 Blue/ 30 Blue/ 38 Blue/ 50 Blue/ 64 Orange/ 85 Blue/ 125 Blue/ 180 Blue kDa
Stability And Storage
Store at 2-8℃ short term (3 months). Store at -20℃ long term (24 months). Avoid freeze/thaw cycle. Upon receipt, it is recommended to aliquot.
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
for Western blot, Suitable for electrophoresis
Images

Tricolor Prestained Protein MW Marker (9-180kDa) (T1491646) - SDS-PAGE band profile in Bis-Tris
lmages are from a Bis-Tris gel (SDS-PAGE) and subsequent transfer to membrane. Tricolor Prestained Protein MW Marker (9-180kDa) (T1491646) are mixture of 10 recombinant proteins, 8 blue-stained bands, a green-stained band (9kDa) and an orange-stained band (64kDa).

Tricolor Prestained Protein MW Marker (9-180kDa) (T1491646) - SDS-PAGE band profile in Tris-Glycine
lmages are from a Tris-glycine gel (SDS-PAGE) and subsequent transfer to membrane. Tricolor Prestained Protein MW Marker (9-180kDa) (T1491646) are mixture of 10 recombinant proteins, 8 blue-stained bands, a green-stained band (9kDa) and an orange-stained band (64kDa).

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

1 results found

Lot NumberCertificate TypeDateItem
ZJ25F1230232Certificate of AnalysisDec 12, 2025 T1491646
Documents & Articles
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