Coomassie® Brilliant Blue G-250 is a useful dye for SDS gels as it readily stains proteins with minimal background color. Protein bands can be visualized during staining. Coomassie Brilliant Blue G-250 is a protein stain in electrophoresis. Brilliant Blue G has been used in the Bradford…

CAS: 62758-13-8 EC No: 263-718-5 MDL No: MFCD00005036 RTECS: SP7700000 Powder Molecular Formula: C₁₂H₆NNaO₄ MW: 251.18

Safranine O is a biological stain used in histology, cytology, bacteriology. It is a redox and adsorption indicator.

CAS: 6104-58-1 EC No: 228-058-4 MDL No: MFCD00078482 Powder Molecular Formula: C₄₇H₄₈N₃NaO₇S₂ MW: 854.02

Bromocresol purple binds quantitatively with human serum albumin forming a stable complex with absorbance maximum at 600 nm. The intensity of the color produced is directly proportional to the albumin concentration in the sample. Bromocresol Purple is used as a pH indicator (5.2-6.8 : yellow to…

CAS: 78338-22-4 MDL No: MFCD00081194 Solid Molecular Formula: C₁₄H₁₃N₃O₂S MW: 287.34

CAS: 517-28-2 EC No: 208-237-3 MDL No: MFCD00078111 RTECS: MH7875000 Powder Molecular Formula: C₁₆H₁₄O₆·xH₂O MW: 302.29 (anhydrous) Melting Point: 200° (decomposes)

Coomassie Blue R-250 is a triphenylmethane dye used extensively in SDS-PAGE for the analysis of proteins. Brilliant Blue R has been used for many years for staining proteins on polyacrylamide electrophoresis gels. Improvement of sensitivity and background have been accomplished using Brilliant…

CAS: 1390-65-4 EC No: 215-724-4 MDL No: MFCD00167028 RTECS: FH8891000 Powder

CAS: 298-93-1 EC No: 206-069-5 MDL No: MFCD00011964 RTECS: XF8060000 Crystalline/Powder Molecular Formula: C₁₈H₁₆BrN₅S MW: 414.33 Melting Point: 195° (decomposes)

Alcian Blue 8GX is a cationic dye used to quantitatively determine glycosaminoglycans by forming insoluble complexes in solution. Alcian Blue 8GX can be used to determine proteins based on their Resonance Light Scattering by strongly enhancing the signals. It is useful as a bacterial stain, and as…

Congo red is a secondary diazo dye. It is a High Purity Biological Stain. Congo Red is suitable for staining cytoplasm, erythrocytes and collagen. Useful probe for conformational studies of nucleotide-binding enzymes.

Calcein is an indicator for the determination of calcium by titration with EDTA. The excitation wavelength and emission wavelength are 495/515 nm. It is suitable for fluorometric determination of calcium. It does not fluoresce in strong alkaline solution, but an intense fluorescence appears in the…

CAS: 531-55-5 EC No: 208-511-2 MDL No: MFCD00011935 Powder Molecular Formula: C₁₅H₁₆ClN₃S MW: 305.83 Melting Point: 205-210° (decomposes)

Brilliant Sulfaflavine is not the same as FIAT (Brilliant Sulfoflavin FF; Acid Yellow 7) which has only one methyl group para to the nitrogen. Brilliant sulfaflavine was used as fluorescent tracers to study the application rate of foliar fungicides when applied to soybeans for the control of rust.

CAS: 130-22-3 EC No: 204-981-8 MDL No: MFCD00013049 RTECS: CB1095300 Powder Molecular Formula: C₁₄H₇O₇SNa MW: 342.26

Sulforhodamine B is a fluorescent dye. Sulforhodamine B can be used as a protein tag - by sulfamido condensation with a proteinaceous substrate containing a primary amine function. Sulforhodamine B will fluoresce red. Because of its red fluorescence it can be used in conjuction with fluorescein…

A red, anionic xanthene dye, has been used as a contrast or counter stain to hematoxylin, crystal violet and other nuclear stains, in both plant and animal tissue. Erythrosin B sodium salt is used as a counter stain to hematoxylin, crystal violet and other nuclear stains, in both plant and…

Hematoxylin is Gill’s Formulation 2; a nuclear counter stain of blue-violet color. It is extracted from the heartwood of the logwood tree. When oxidized it forms haematein, a compound that forms strongly coloured complexes with certain metal ions, the most notable ones being Fe(III) and…