Lab Stains and Dyes

HistoneAcetyltransferaseInhibitorIVCPTH2, 10MG

Formula: CO(NHNH₂)₂   Formula Weight: 90.08   CAS #: 497-18-7 Melting Point: 152-153°C For GACH embedding kit. A water-miscible, lipid-retaining, embedding polymer for E.M.. Heckman, et. al., Ultrastruct. Res., 42,156 (1973).

Gomori Trichrome Stain is a multi-component staining solution designed for histology and pathology applications. Commonly used to differentiate muscle fibers, collagen, and connective tissue, it provides clear contrast between cellular and structural elements for reliable microscopic evaluation. The...

Brilliant Blue R-250 is commonly used for staining proteins in polyacrylamide gels.

Achieve clear, reliable differentiation of blood cells and microorganisms with our Giemsa Stain, Gurr formulation. A trusted staple of hematology, cytology, and microbiology laboratories, this Romanowsky-type stain delivers crisp contrast with distinct nuclear detail, well-defined cytoplasm, and...

Giemsa Stain 10 g

Classical Wright–Giemsa Fucillo Stain is a Romanowsky-type formulation designed for differential staining of peripheral blood smears, bone marrow specimens, and cytologic preparations. The Fucillo modification provides balanced nuclear and cytoplasmic staining, improved color stability, and clear...

CAS: 122965-43-9 EC No: 200-515-2 MDL No: MFCD00150006 RTECS: SO5600000 Powder Molecular Formula: C₁₆H₁₈ClN₃S·xH₂O MW: 319.85 (anhydrous) Melting Point: 180° (decomposes)

DAR-4M AM | Calbiochem | 1MG

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TMB is a chromogenic substrate for Horse Radish Peroxidase (HRP). MP Biolomedicals' TMB Solution is a convenient, non toxic and ready to use stable chromogen solution suitable for peroxidase and pseudo-peroxidase reactions in ELISA, it provides consistent performance and sensitivity to deliver...

Methylene blue, counterstain for acid-fast stain procedures, and other uses. An aqueous solution of methylene blue.

Ponceau S is used as protein stain for electrophoresis.

The Bio Basic Inc. stains-all is suitable for laboratory and research use.

An aqueous solution of phenol, glycerine, isopropyl alcohol, rhodamine B and auramine O.

CAS: 61-73-4 MDL No: MFCD00012111 Liquid Molecular Formula: C₁₆H₁₈ClN₃S MW: 319.85

Nile Red is an uncharged, hydrophobic, photostable molecule that strongly fluoresces bright red in hydrophobic environments. It is a fluorescent stain for intracellular lipid droplets. Nile red can be used for the rapid determination of lipids by thin-layer chromatography or for staining whole...

Acridine Orange Stain is recommended for use in the fluorescent microscopic detection of microorganisms in direct smears prepared from clinical and non-clinical materials. It is particularly useful in the rapid screening of normally sterile specimens, such as cerebrospinal fluid, where few organisms...

CAS: 314-13-6 EC No: 206-242-5 MDL No: MFCD00004021 Powder Molecular Formula: C₃₄H₂₄N₆Na₄O₁₄S₄ MW: 960.82

Stain for detection and location of proteins. Protocol: Wash blot in 0.#% Tween/PBS, with three changes of 15 min. each at RT. Place blot in stain solution for 5 min. at RT with agitation. Destain in 90% methanol/2% acetic acid/8% water. Stain for proteins and total carbohydrates in plants. A...

(Nitro, BT, p-Nitrotetrazolium Blue; 2, 2´-Di-p-nitrophenyl-5, 5´diphenyl-[3, 3´-dimethoxy-4, 4´-diphenylene] ditetrazolium chloride) Formula: C₄₀H₃₀Cl₂N₁₀O₆   Formula Weight: 817.6   CAS #: 298-83-9 ...

Basic fuchsin a stronger more intense counterstain, that produces a darker red color; works especially well with anaerobes and other difficult to stain organisms.

For Acid Fast Stain procedure, and other uses. An aqueous solution of methylene blue.

For use in the identification of Cryptococcus neoformans by detection of the polysaccharide capsule. India ink is a negative stain that will show a clear zone where the capsule is.