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Stains, Fluorescent Dyes & Histology Reagents

MTT tetrazolium, 99%+

ARAvailable on request

Order MTT tetrazolium, 99%+ (CAS 298-93-1) online at Zemixal: C18H16BrN5S, COA and SDS with every lot, worldwide shipping.

Pack sizes
MTT tetrazolium, 99%+ chemical structure
CAS number298-93-1
FormulaC18H16BrN5S
Molar mass414.3 g/mol
Physical formPowder
HS code32049000
Purity≥99%
InChIKeyAZKSAVLVSZKNRD-UHFFFAOYSA-M
IUPAC name2-(3,5-diphenyltetrazol-2-ium-2-yl)-4,5-dimethyl-1,3-thiazole bromide

About MTT tetrazolium, 99%+

MTT tetrazolium, 99%+ sits in our stains, Fluorescent Dyes & Histology Reagents section and ships worldwide from stock or short lead time. For your records (AR), the material is defined by CAS 298-93-1, formula C18H16BrN5S and molar mass 414.3 g/mol. Typical appearance is yellow powder.

Typical applications

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Pharmaceutical synthesis

Handling and storage

Store at 2–8 °C. Literature values: melting point 195 °C (dec.). Classified under GHS with signal word Warning and hazard statements H315, H319, H335 and H341. Read the SDS before first use.

Order it in 100 mg, 250 mg, 500 mg, 1 g and 5 g packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Pharmaceutical synthesis

Applications

Diagnostics, Life Science and BiotechResearch Labs and UniversitiesTextiles, Dyes and Leather

Grade guides

AR Grade (Analytical Reagent)

Specifications and identifiers

Specifications of MTT tetrazolium, 99%+
Product nameMTT tetrazolium, 99%+
Catalogue numberZX-000637
CAS number298-93-1
IUPAC name2-(3,5-diphenyltetrazol-2-ium-2-yl)-4,5-dimethyl-1,3-thiazole bromide
Molecular formulaC18H16BrN5S
Molar mass414.3 g/mol
Exact mass413.031
GradeAR
Purity / assay≥99%
Physical formPowder
AppearanceYellow powder
Melting point195 °C (dec.)
H-bond donors / acceptors0 / 5
Topological polar surface area75.7 Ų
Storage2–8 °C
HS code32049000
InChIKeyAZKSAVLVSZKNRD-UHFFFAOYSA-M
SMILESCC1=C(SC(=N1)[N+]2=NC(=NN2C3=CC=CC=C3)C4=CC=CC=C4)C.[Br-]
PubChem CID64965
SynonymsThiazolyl blue tetrazolium bromide, 3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide, MTT, Methylthiazolyldiphenyl-tetrazolium bromide, Thiazolyl blue, MMT Tetrazolium, Thiazolyl Blue Monotetrazolium, 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, 3-(4,5-Dimethylthiazolyl)-2,5-diphenyltetrazolium bromide, 3-(4,5-Dimethylthiazolyl-2)-2,5-diphenyltetrazolium bromide, 3-(4,5-dimethyl-1,3-thiazol-2-yl)-2,5-diphenyl-2H-tetrazol-3-ium bromide, 3-(4,5-dimethylthiazole-2-yl)-2,5-diphenyltetrazolium bromide

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H341Suspected of causing genetic defects

Precautionary statements P203, P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of MTT tetrazolium, 99%+
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request
5 gQuoted on request
25 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about MTT tetrazolium, 99%+

Which CAS number identifies MTT tetrazolium, 99%+?
MTT tetrazolium, 99%+ is registered under CAS 298-93-1. You may also see it listed as Thiazolyl blue tetrazolium bromide, 3-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide, MTT. Our catalogue number for this item is ZX-000637.
What are the formula and molar mass of MTT tetrazolium, 99%+?
For MTT tetrazolium, 99%+, its formula is C18H16BrN5S and its molar mass is 414.3 g/mol. The systematic (IUPAC) name is 2-(3,5-diphenyltetrazol-2-ium-2-yl)-4,5-dimethyl-1,3-thiazole bromide. InChIKey AZKSAVLVSZKNRD-UHFFFAOYSA-M lets you match it in any structure database.
What grade and pack sizes are available for MTT tetrazolium, 99%+?
This listing is AR grade with ≥99% purity. Standard packs are 100 mg, 250 mg, 500 mg, 1 g, 5 g, 25 g. Larger quantities and custom packing can be quoted on request.
Which documents come with MTT tetrazolium, 99%+?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship MTT tetrazolium, 99%+ to my country?
Yes. Because MTT tetrazolium, 99%+ is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
How do I store MTT tetrazolium, 99%+?
2–8 °C. Keep the container closed and follow the handling advice in the SDS.

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