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Nitro blue tetrazolium chloride

A substrate for dehydrogenases and other oxidases. Contains up to 10% solvent. Approx. 98% (TLC). Tablet contains 10mg substrate per tablet (pack/10 or pack/25).

(Nitro, BT, p-Nitrotetrazolium Blue; 2, 2´-Di-p-nitrophenyl-5, 5´diphenyl-[3, 3´-dimethoxy-4, 4´-diphenylene] ditetrazolium chloride)

C₄₀H₃₀Cl₂N₁₀O₆
F.W. 817.6
CAS 298-83-9

For more information on microscopy stains:

Stain Index

Store refrigerated 0-5°C

MSDS

Please choose carefully. Returns of this item are subject to approval.

Updated: 04-06-2026

Code	Pack Size	Availability	Price
EMS19035-05	1g	No ETA	$936.00 AUD
EMS19035-01	100mg	No ETA	$129.00 AUD
EMS19035-10	Pack/10	No ETA	$183.00 AUD
EMS19035-12	Pack/25	No ETA	$347.00 AUD

* Availability Explanation

X weeks – the estimated lead time, based on the average time taken previously to fill orders from this particular supplier. Lead times are from when we receive your order until when we fill your order. For delivery times, please see shipping information below.

In Stock – Plenty of stock on the shelf, ready to ship.

No ETA – our supplier has advised they cannot provide an accurate ETA. Generally there is some issue with supply, and it may be more than 6 months.