Attention:

Certain features of Sigma-Aldrich.com will be down for maintenance the evening of Friday August 18th starting at 8:00 pm CDT until Saturday August 19th at 12:01 pm CDT.   Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

Q-R

Stains & Dyes

Product #

Image

Description

CAS Number

Add to Cart

201316 Quinaldine Red Dye content 95 % 117-92-0  
22680 Quinoline Yellow for microscopy (Hist.), mixture of mono- and disulfonic acid sodium salt 8004-92-0 Analytical, Microscopy
234133 Quinoline Yellow Dye content 95 % 8003-22-3  
309052 Quinoline Yellow Mixture of the mono- and disulfonic acids of Quinoline Yellow 8004-92-0  
306452 Reactive Black 5 Dye content ≥50 % 17095-24-8  
244813 Reactive Blue 4 Dye content 35 % 13324-20-4  
R0385   Reactive Brown 10 practical grade 12225-67-1 Practical
R9378   Reactive Green 19 practical grade 61931-49-5 Practical
306509 Reactive Orange 16 Dye content ≥70 % 12225-83-1  
R0378 Reactive Red 120 61951-82-4  
R4129   Reactive Red 4-Dextran    
272442 Reichardt’s dye Dye content 90 % 10081-39-7  
R4126 Reinecke salt 13573-16-5  
R8001 Remazol Brilliant Blue R anthraquinone dye 2580-78-1  
R6006 Remazol Brilliant Violet 5R 12226-38-9  
R8276   Renin Substrate 1    
199303 Resazurin sodium salt certified by the Biological Stain Commission 62758-13-8 Certified by the Biological Stain Commission
R5645 Resorcinol BioXtra, ≥99% 108-46-3 BioXtra
424455 Resorufin Dye content 95 % 635-78-9  
230154 Resorufin sodium salt Dye content 75 % 34994-50-8  
R8026 RH 421 ≥95%, solid 107610-19-5  
252433 Rhodamine 6G Dye content 99 % 989-38-8  
R4127 Rhodamine 6G Dye content ~95 % 989-38-8  
252441 Rhodamine 6G perchlorate Dye content 99 % 13161-28-9  
R6626 Rhodamine B ≥95% (HPLC) 81-88-9  
432202 Rhodamine 110 chloride Dye content ≥88 % 13558-31-1  
R8004 Rhodamine 123 mitochondrial specific fluorescent dye 62669-70-9  
234141 Rhodamine B base Dye content 97 % 509-34-2  
R8881 Rhodamine B isothiocyanate–Dextran average mol wt ~10,000    
R9131 Rhodamine B isothiocyanate–Dextran average mol wt ~40,000    
283924 Rhodamine B isothiocyanate mixed isomers 36877-69-7  
121495 Rhodanile Blue A complex of Nile Blue and Rhodamine B., Dye content 75 %    
R8151 RIM-1 ≥90% (HPLC)    
330000 Rose bengal Dye content 95 % 632-69-9  
R3877 Rose Bengal sodium salt Dye content ≥85 % 632-69-9  
R4507 Rose Bengal sodium salt certified by the Biological Stain Commission 632-69-9 Certified by the Biological Stain Commission
R8401 Rose Bengal diacetate 61738-01-0  
328960 Rose Bengal lactone 95% 4159-77-7  
861324 p-Rosolic acid Dye content 85 % 603-45-2  
R2206 Rubrene powder 517-51-1  
R2751 Ruthenium Red Technical grade 11103-72-3  
84071 Ruthenium Red for microscopy, ≥85% (calc. on dry substance, AT) 11103-72-3 Analytical, Microscopy