Certified Stains & Dyes
These products are certified by the Biological Stain Commission (BSC). Among its many objectives, The Biological Stain Commission, located at the University of Rochester Medical Center, Rochester, NY, insures the quality of dyes through independent testing according to appropriately rigorous chemical and performance criteria.

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857408 Acid Fuchsin calcium salt certified by the Biological Stain Commission, Dye content ≥60 % 123334-10-1 Certified by the Biological Stain Commission
    • A3157 Alcian Blue 8GX certified by the Biological Stain Commission 33864-99-2 Certified by the Biological Stain Commission
    • A5533 Alizarin Red S certified by the Biological Stain Commission 130-22-3 Certified by the Biological Stain Commission
    • 415049 Aniline Blue diammonium salt certified by the Biological Stain Commission 66687-07-8 Certified by the Biological Stain Commission
    • A9655 Auramine O Dye content ≥80 %, certified by the Biological Stain Commission 2465-27-2 Certified by the Biological Stain Commission
    • A4043 Azure B certified by the Biological Stain Commission 531-55-5 Certified by the Biological Stain Commission
    • A2918 Azure A chloride certified by the Biological Stain Commission 531-53-3 Certified by the Biological Stain Commission
    • B0904   Basic Fuchsin special for flagella, certified   Certified by the Biological Stain Commission
    • 857343 Basic Fuchsin certified by the Biological Stain Commission, Dye content ≥88 % 569-61-9 Certified by the Biological Stain Commission
    • 861111 Bismarck Brown Y certified by the Biological Stain Commission, Dye content 50 % 10114-58-6 Certified by the Biological Stain Commission
    • B5388 Brilliant Cresyl Blue ALD certified by the Biological Stain Commission 51716-96-2 Certified by the Biological Stain Commission
    • B4014 Brilliant Green certified by the Biological Stain Commission 633-03-4 Certified by the Biological Stain Commission
    • C6152   Carmine certified by the Biological Stain Commission 1390-65-4 Certified by the Biological Stain Commission
    • C6277 Congo Red certified by the Biological Stain Commission, BioXtra 573-58-0 BioXtra, Certified by the Biological Stain Commission
    • C5042 Cresyl Violet acetate certified by the Biological Stain Commission 10510-54-0 Certified by the Biological Stain Commission
    • C0775 Crystal Violet certified by the Biological Stain Commission 548-62-9 Certified by the Biological Stain Commission
    • 211885 Darrow Red certified by the Biological Stain Commission, Dye content ≥65 % 15391-59-0 (free base) Certified by the Biological Stain Commission
    • 861006 Eosin B certified by the Biological Stain Commission, Dye content 90 % 548-24-3 Certified by the Biological Stain Commission
    • E4382 Eosin Y disodium salt certified by the Biological Stain Commission 17372-87-1 Certified by the Biological Stain Commission
    • 198269 Erythrosin B certified by the Biological Stain Commission, Dye content 90 % 16423-68-0 Certified by the Biological Stain Commission
    • E8886 Erythrosin extra bluish certified by the Biological Stain Commission 16423-68-0 Certified by the Biological Stain Commission
    • 199540 Ethyl eosin certified by the Biological Stain Commission 6359-05-3 Certified by the Biological Stain Commission
    • F7258 Fast Green FCF certified by the Biological Stain Commission 2353-45-9 Certified by the Biological Stain Commission
    • G5637 Giemsa stain certified by the Biological Stain Commission 51811-82-6 Certified by the Biological Stain Commission
    • H3136 Hematoxylin certified by the Biological Stain Commission 517-28-2 Certified by the Biological Stain Commission
    • 131164 Indigo carmine certified by the Biological Stain Commission, Dye content 85 % 860-22-0 Certified by the Biological Stain Commission
    • 201677 Janus Green B certified by the Biological Stain Commission, Dye content 65 % 2869-83-2 Certified by the Biological Stain Commission
    • J1875   Jenner’s stain certified by the Biological Stain Commission 62851-42-7 Certified by the Biological Stain Commission
    • L1886 Light Green SF Yellowish certified by the Biological Stain Commission 5141-20-8 Certified by the Biological Stain Commission
    • M9015 Malachite Green oxalate salt certified by the Biological Stain Commission 2437-29-8 Certified by the Biological Stain Commission
    • M5528 Methyl Blue certified by the Biological Stain Commission 28983-56-4 Certified by the Biological Stain Commission
    • M9140 Methylene blue certified by the Biological Stain Commission 122965-43-9 Certified by the Biological Stain Commission
    • 216313 Methylene Violet (Bernthsen) certified by the Biological Stain Commission, Dye content ≥65 % 2516-05-4 Certified by the Biological Stain Commission
    • 198080 Methyl Green zinc chloride salt, certified by the Biological Stain Commission, Dye content 85 % 7114-03-6 Certified by the Biological Stain Commission
    • 198099 Methyl violet 2B certified by the Biological Stain Commission 8004-87-3 Certified by the Biological Stain Commission
    • 861251 Neutral Red certified by the Biological Stain Commission 553-24-2 Certified by the Biological Stain Commission
    • 198285   Nigrosin certified by the Biological Stain Commission 8005-03-6 Certified by the Biological Stain Commission
    • N0766 Nile Blue A certified by the Biological Stain Commission 3625-57-8 Certified by the Biological Stain Commission
    • O0625 Oil Red O certified by the Biological Stain Commission 1320-06-5 Certified by the Biological Stain Commission
    • O7252 Orange G certified by the Biological Stain Commission 1936-15-8 Certified by the Biological Stain Commission
    • O7505   Orcein synthetic, certified by the Biological Stain Commission 1400-62-0 Certified by the Biological Stain Commission
    • P4030 Phloxine B Dye content ≥80 %, certified by the Biological Stain Commission 18472-87-2 Certified by the Biological Stain Commission
    • 201308 Pyronin B certified by the Biological Stain Commission, Dye content 40 % 2150-48-3 Certified by the Biological Stain Commission
    • 213519 Pyronin Y certified by the Biological Stain Commission, Dye content 50 % 92-32-0 Certified by the Biological Stain Commission
    • 199303 Resazurin sodium salt certified by the Biological Stain Commission 62758-13-8 Certified by the Biological Stain Commission
    • S8884 Safranin O certified by the Biological Stain Commission 477-73-6 Certified by the Biological Stain Commission
    • 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
    • 199664 Sudan Black B certified by the Biological Stain Commission 4197-25-5 Certified by the Biological Stain Commission
    • 198161 Toluidine Blue O certified by the Biological Stain Commission 92-31-9 Certified by the Biological Stain Commission
    • 861375   Wright stain certified by the Biological Stain Commission 68988-92-1 Certified by the Biological Stain Commission