| Melzer Reagent (For Mycology) | 05055914749427 | Atom Scientific Ltd | Class A | |
| Methyl Blue 0.5% in 1% Acetic Acid | 05055914749434 | Atom Scientific Ltd | Class A | |
| Methyl Blue 0.5% in 1% Acetic Acid | 05055914756807 | Atom Scientific Ltd | Class A | |
| Methyl Blue 1% Aqueous | 05055914726213 | Atom Scientific Ltd | Class A | |
| Methyl Blue 1% Aqueous | 05055914749441 | Atom Scientific Ltd | Class A | |
| Methyl Blue 1% in 1% Acetic Acid | 05055914709865 | Atom Scientific Ltd | Class A | |
| Methyl Blue 1% in 1% Acetic Acid | 05055914771831 | Atom Scientific Ltd | Class A | |
| Methyl Blue 2% in 2.5% Acetic Acid | 05055914709896 | Atom Scientific Ltd | Class A | |
| Methyl Blue 2% in 2.5% Acetic Acid | 05055914709902 | Atom Scientific Ltd | Class A | |
| Methyl Blue 2% in 2.5% Acetic Acid | 05055914749458 | Atom Scientific Ltd | Class A | |
| Methyl Blue Eosin (Mann Modified) | 05055914749465 | Atom Scientific Ltd | Class A | |
| Methyl Blue Eosin (Mann Modified) | 05055914749472 | Atom Scientific Ltd | Class A | |
| Methyl Blue Eosin (Mann Modified) | 05055914749489 | Atom Scientific Ltd | Class A | |
| Methylene Blue 0.1% Solution | 05060405298605 | Atom Scientific Ltd | Class A | |
| Methylene Blue (1% Alcoholic) | 05055914710137 | Atom Scientific Ltd | Class A | |
| Methylene Blue (1% Alcoholic) | 05055914710144 | Atom Scientific Ltd | Class A | |
| Methylene Blue (1% Aqueous) | 05055914710182 | Atom Scientific Ltd | Class A | |
| Methylene Blue (1% Aqueous) | 05055914710199 | Atom Scientific Ltd | Class A | |
| Methylene Blue (1% Aqueous) | 05055914799064 | Atom Scientific Ltd | Class A | |
| Methylene Blue (Loeffler) | 05055914710250 | Atom Scientific Ltd | Class A | |
| Methylene Blue (Loeffler) | 05055914710267 | Atom Scientific Ltd | Class A | |
| Methylene Blue (Loeffler) | 05055914710274 | Atom Scientific Ltd | Class A | |
| Methylene Blue (McFadyean) | 05055914721843 | Atom Scientific Ltd | Class A | |
| Methylene Blue (McFadyean) | 05055914749526 | Atom Scientific Ltd | Class A | |
| Methylene Blue (McFadyean) | 05055914749533 | Atom Scientific Ltd | Class A | |
| Methylene Blue Solution (AFB) | 05055914749540 | Atom Scientific Ltd | Class A | |
| Methylene Blue Solution (AFB) | 05055914749557 | Atom Scientific Ltd | Class A | |
| Methylene Blue Solution (AFB) | 05055914756753 | Atom Scientific Ltd | Class A | |
| Methylene Blue (Unna) | 05055914753226 | Atom Scientific Ltd | Class A | |
| Methyl Orange 0.4% Indicator Solution | 05055914754094 | Atom Scientific Ltd | Class A | |
| Methyl Orange 0.4% Indicator Solution | 05055914754100 | Atom Scientific Ltd | Class A | |
| Methyl Orange 0.4% Indicator Solution | 05055914754117 | Atom Scientific Ltd | Class A | |
| Methyl Violet 6B (0.5% Aqueous) | 05055914710083 | Atom Scientific Ltd | Class A | |
| Methyl Violet 6B (0.5% Aqueous) | 05055914749496 | Atom Scientific Ltd | Class A | |
| Methyl Violet 6B (0.5% Aqueous) | 05055914749502 | Atom Scientific Ltd | Class A | |
| Methyl Violet 6B (0.85% Saline for Heinz Bodies) | 05055914719925 | Atom Scientific Ltd | Class A | |
| Methyl Violet 6B (0.85% Saline for Heinz Bodies) | 05055914749519 | Atom Scientific Ltd | Class A | |
| Methyl Violet 6B (0.85% Saline for Heinz Bodies) | 05055914755985 | Atom Scientific Ltd | Class A | |
| Methyl Violet 6B (10 x Concentrate) | 05055914710106 | Atom Scientific Ltd | Class A | |
| Methyl Violet 6B (10 x Concentrate) | 05055914710113 | Atom Scientific Ltd | Class A | |
| Methyl Violet 6B (10 x Concentrate) | 05055914710120 | Atom Scientific Ltd | Class A | |
| Michels Solution | 05055914732801 | Atom Scientific Ltd | Class A | |
| Michels Solution | 05055914745672 | Atom Scientific Ltd | Class A | |
| Michels Solution | 05055914753271 | Atom Scientific Ltd | Class A | |
| Michels Solution | 05055914753301 | Atom Scientific Ltd | Class A | |
| Mucicarmine (Southgate) | 05055914710809 | Atom Scientific Ltd | Class A | |
| Mucicarmine (Southgate) | 05055914710816 | Atom Scientific Ltd | Class A | |
| Mucicarmine (Southgate) | 05055914749564 | Atom Scientific Ltd | Class A | |
| Natt Herrick Solution | 05055914763041 | Atom Scientific Ltd | Class A | |
| Neissers Stain A | 05055914749571 | Atom Scientific Ltd | Class A | |
UDI Compass