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S8381   Saffron crude source of crocetin and crocein    
    • S2255 Safranin O Dye content ≥85 % 477-73-6  
    • S8884 Safranin O certified by the Biological Stain Commission 477-73-6 Certified by the Biological Stain Commission
    • 84120 Safranin O indicator (pH 0.3-1.0), for microscopy (Bact., Bot., Hist.) 477-73-6 Microscopy
    • S5133   Schiff’s fuchsin-sulfite reagent suitable for detection of glycoproteins    
    • S2500 Scopoletin ≥99% 92-61-5  
    • D3132 Silver diethyldithiocarbamate 1470-61-7  
    • SE100   Silver Enhancer Kit    
    • S5020   Silver enhancer solution A    
    • S5145   Silver enhancer solution B    
    • S8157 Silver nitrate BioXtra, >99% (titration) 7761-88-8 BioXtra
    • S6506 Silver nitrate ReagentPlus®, ≥99.0% (titration) 7761-88-8  
    • 34296 Silver nitrate solution volumetric, 0.02 M AgNO3 (0.02N) 7761-88-8  
    • S3382   Solvent Blue 38 practical grade 1328-51-4 Practical
    • 229121 Solvent Blue 59 Dye content 98 % 6994-46-3  
    • 211982 Solvent Green 3 Dye content 95 % 128-80-3  
    • S6439 SQI-ET sodium form ≥90% (TLC)    
    • E9379 Stains-All ~95% 7423-31-6  
    • 262013 trans-4-Stilbenemethanol 101093-37-2  
    • 103624 Sudan I Dye content ≥95 % 842-07-9  
    • 199656 Sudan II Dye content 90 % 3118-97-6  
    • S4131 Sudan III Technical grade 85-86-9  
    • S4136 Sudan III certified by the Biological Stain Commission, BioXtra 85-86-9 BioXtra, Certified by the Biological Stain Commission
    • S4261 Sudan IV certified by the Biological Stain Commission, BioXtra 85-83-6 BioXtra, Certified by the Biological Stain Commission
    • 198102 Sudan IV Dye content ≥80 % 85-83-6  
    • 199664 Sudan Black B certified by the Biological Stain Commission 4197-25-5 Certified by the Biological Stain Commission
    • 306436 Sudan Blue II Dye content 98 % 17354-14-2  
    • 199672 Sudan Orange G Dye content 85 % 2051-85-6  
    • 46290 Sudan Red 7B for microscopy (Bot., Hist.) 6368-72-5 Analytical, Microscopy
    • 201618 Sudan Red 7B Dye content 95 % 6368-72-5  
    • S9256 Sulfanilic acid azochromotrop ≥80% 23647-14-5  
    • 191698 2-Sulfobenzoic acid cyclic anhydride technical grade, 90% 81-08-3 Technical
    • S5752 Sulfochlorophenol S sodium calcium salt 108321-09-1  
    • 362522 4-Sulfophthalic acid triammonium salt technical grade 22411-24-1 Technical
    • 386189 1-(3-Sulfopropyl)-2-(2-{[1-(3-sulfopropyl)naphtho[1,2-d]thiazol-2(1H)-ylidene]methyl}-1-butenyl)naphtho[1,2-d]thiazoliumhydroxide inner salt, triethylammonium salt Dye content 95 % 23216-67-3  
    • S7635 Sulforhodamine 101 60311-02-6  
    • S9012 Sulforhodamine B sodium salt Technical grade 3520-42-1  
    • 465224 Sunset Yellow FCF Dye content 90 % 2783-94-0  
    • S9305 SYBR® Green II RNA gel stain 10,000 × in DMSO 172827-25-7  
    • S9430 SYBR® Green I nucleic acid gel stain 10,000 × in DMSO 163795-75-3  
    • S6814 SynaptoGreen™ C4 ≥95% (HPLC), solid 149838-22-2  
    • S6689 SynaptoRed™ C2 ≥95% (HPLC), solid 162112-35-8  
    • 177539 Syringaldazine 99% 14414-32-5