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M6880 Malachite Green oxalate salt Technical grade 2437-29-8 Histology
    • M9015 Malachite Green oxalate salt certified by the Biological Stain Commission 2437-29-8 Certified by the Biological Stain Commission
    • 213020 Malachite Green Carbinol hydrochloride Dye content 85 % 123333-61-9  
    • 229105 Malachite Green Carbinol base Dye content 90 % 510-13-4  
    • 383538 Malonaldehyde bis(phenylimine) monohydrochloride 97% 123071-42-1  
    • 377767 Martius Yellow Dye content 85 % 605-69-6  
    • 287814 Martius Yellow sodium salt monohydrate 98% 304655-86-5  
    • 205435   May-Grünwald Stain    
    • M2649   Melanin from Sepia officinalis 8049-97-6  
    • M7750 Mercury Orange powder 3076-91-3  
    • 64010 Metanil Yellow for microscopy (Hist.), indicator (pH 1.2-2.3) 587-98-4  
    • 202029 Metanil Yellow Dye content 70 % 587-98-4  
    • M5760 4-(4-Methoxybenzylamino)-7-nitrobenzofurazan 33984-50-8  
    • 374776 4-Methoxybiphenyl 97% 613-37-6  
    • 275980 3-Methoxydiphenylamine 98% 101-16-6  
    • M8640 1-Methoxy-5-methylphenazinium methyl sulfate ≥95% 65162-13-2  
    • 323780 2-Methoxy-N4-phenyl-1,4-phenylenediamine 95% 5840-10-8  
    • 291552 6-Methoxy-1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indole 97% 20315-68-8  
    • 371858 6-Methoxy-1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indole hydrochloride 97% 35764-54-6  
    • 293024 6-Methoxy-1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indole-1-carboxylic acid 97% 17952-63-5  
    • 323101 2-Methyl-2-adamantanol 97% 702-98-7  
    • M28200 1-(Methylamino)anthraquinone 98% 82-38-2  
    • 277878 Methyl 3-amino-5,6-dichloro-2-pyrazinecarboxylate 97% 1458-18-0  
    • M6900 Methyl Blue 28983-56-4  
    • M5528 Methyl Blue certified by the Biological Stain Commission 28983-56-4 Certified by the Biological Stain Commission
    • M44451 4,4′-Methylenebis(N,N-dimethylaniline) 98% 101-61-1  
    • M9140 Methylene blue certified by the Biological Stain Commission 7220-79-3 Certified by the Biological Stain Commission
    • M44907 Methylene Blue hydrate 122965-43-9  
    • M4159 Methylene Blue hydrate suitable for nucleic acid staining, BioReagent 122965-43-9 BioReagent
    • 03978 Methylene Blue solution for microscopy, concentrate according to Ehrlich, concentrated, aqueous solution 61-73-4 Microscopy
    • 1808 Methylene Blue solution 1.4 % (w/v) in 95% ethanol 7220-79-3  
    • D4784 4,5-Methylenedioxy-1,2-phenylenediamine dihydrochloride Fluorogenic reagent 81864-15-5  
    • M7766 Methylene Green zinc chloride double salt 224967-52-6  
    • 216313 Methylene Violet (Bernthsen) certified by the Biological Stain Commission, Dye content ≥65 % 2516-05-4 Certified by the Biological Stain Commission
    • 307505 Methylene Violet 3RAX Dye content 90 % 4569-86-2  
    • M2629 3-O-Methylfluorescein phosphate cyclohexylammonium salt 21233-09-0  
    • M8884 Methyl Green zinc chloride salt, ~85% 7114-03-6  
    • 67060 Methyl Green zinc chloride salt, for microscopy (Bact., Bot., Hist.) 7114-03-6 Analytical, Microscopy
    • 198080 Methyl Green zinc chloride salt, certified by the Biological Stain Commission, Dye content 85 % 7114-03-6 Certified by the Biological Stain Commission
    • 323829 Methyl Green zinc chloride salt, <0.5% crystal violet, Dye content 80 % 7114-03-6  
    • 192325 4-Methyl-3-nitrobenzyl chloride 97% 84540-59-0  
    • 114510 Methyl Orange ACS reagent, Dye content 85 % 547-58-0 ACS reagent
    • 234109 Methyl Orange certified by the Biological Stain Commission 547-58-0 Certified by the Biological Stain Commission
    • 521701 4-Methylphthalimide 99% 40314-06-5  
    • 521795 4-Methylphthalonitrile 99% 63089-50-9  
    • 277339 Methyl Purple in H2O 1340-02-9  
    • 250198 Methyl Red ACS reagent, crystalline 493-52-7 ACS reagent
    • 861235 Methyl Red hydrochloride ACS reagent 63451-28-5 ACS reagent
    • M8256 Methyl Red sodium salt Crystalline 845-10-3  
    • 114502 Methyl Red sodium salt ACS reagent, Dye content 95 % 845-10-3 ACS reagent
    • 319104 Methyl Red sodium salt solution 0.1 wt. % in H2O 845-10-3  
    • B42004 Methylthymol Blue sodium salt Dye content 70 % 1945-77-3  
    • 198099 Methyl violet 2B certified by the Biological Stain Commission 8004-87-3 Certified by the Biological Stain Commission
    • 242217 Methyl Violet B base Dye content 85 % 52080-58-7  
    • 195219 Mordant Blue 9 Dye content 50 % 3624-68-8  
    • 195073 Mordant Orange 1 Dye content 70 % 2243-76-7  
    • 69870   Morin hydrate for microscopy (Fl.), for the determination of Al, Be, Zn, Ga, In, Sc, 1-2 mol/mol water 654055-01-3 Analytical, Microscopy
    • M2003 MTT Formazan powder 57360-69-7  
    • 03961   Mucicarmine for microscopy 51395-97-2 Analytical, Microscopy
    • 222461 Murexide ACS reagent 3051-09-0 ACS reagent, Indicator