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API Impurities

5-Methyl-1H-1,2,4-triazole-3(2H)-thione

Reference StandardAvailable on request

Buy 5-Methyl-1H-1,2,4-triazole-3(2H)-thione (CAS 7271-44-5) from Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
5-Methyl-1H-1,2,4-triazole-3(2H)-thione chemical structure
CAS number7271-44-5
FormulaC3H5N3S
Molar mass115.16 g/mol
Physical formSolid
HS code38229090
InChIKeyOUZCWDMJTKYHCA-UHFFFAOYSA-N
IUPAC name5-methyl-1,2-dihydro-1,2,4-triazole-3-thione

About 5-Methyl-1H-1,2,4-triazole-3(2H)-thione

5-Methyl-1H-1,2,4-triazole-3(2H)-thione sits in our API Impurities section and ships worldwide from stock or short lead time. Identity at a glance (Reference Standard): CAS 7271-44-5, formula C3H5N3S and molar mass 115.16 g/mol. It is handled as a solid.

Use cases we see most often

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

Classified under GHS with signal word Warning and hazard statements H302, H312, H315 and H319. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 5-Methyl-1H-1,2,4-triazole-3(2H)-thione
Product name5-Methyl-1H-1,2,4-triazole-3(2H)-thione
Catalogue numberZX-034850
CAS number7271-44-5
IUPAC name5-methyl-1,2-dihydro-1,2,4-triazole-3-thione
Molecular formulaC3H5N3S
Molar mass115.16 g/mol
Exact mass115.0204
GradeReference Standard
Physical formSolid
XLogP3-0.2
H-bond donors / acceptors2 / 1
Topological polar surface area68.5 Ų
HS code38229090
InChIKeyOUZCWDMJTKYHCA-UHFFFAOYSA-N
SMILESCC1=NC(=S)NN1
PubChem CID1538728
Synonyms5-Methyl-2,4-dihydro-3H-1,2,4-triazole-3-thione, 5-Mdtt, 5-methyl-4H-1,2,4-triazole-3-thiol, 3-methyl-1H-1,2,4-triazole-5-thiol, 3-Methyl-1,2,4-triazole-5-thione, 5-methyl-1,2-dihydro-3h-1,2,4-triazole-3-thione, 5-methyl-2,3-dihydro-1H-1,2,4-triazole-3-thione, 3-Methyl-1H(4H)-1,2,4-triazole-5-thione, 3-Mercapto-5-methyl-1,2,4-triazole, 5-methyl-1H-1,2,4-triazole-3-thiol, 3H-1,2,4-Triazole-3-thione, 1,2-dihydro-5-methyl-

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

Signal word Warning

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H332Harmful if inhaled
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, 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 5-Methyl-1H-1,2,4-triazole-3(2H)-thione
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about 5-Methyl-1H-1,2,4-triazole-3(2H)-thione

Which CAS number identifies 5-Methyl-1H-1,2,4-triazole-3(2H)-thione?
5-Methyl-1H-1,2,4-triazole-3(2H)-thione is registered under CAS 7271-44-5. You may also see it listed as 5-Methyl-2,4-dihydro-3H-1,2,4-triazole-3-thione, 5-Mdtt, 5-methyl-4H-1,2,4-triazole-3-thiol. Our catalogue number for this item is ZX-034850.
What are the formula and molar mass of 5-Methyl-1H-1,2,4-triazole-3(2H)-thione?
For 5-Methyl-1H-1,2,4-triazole-3(2H)-thione, its formula is C3H5N3S and its molar mass is 115.16 g/mol. The systematic (IUPAC) name is 5-methyl-1,2-dihydro-1,2,4-triazole-3-thione. InChIKey OUZCWDMJTKYHCA-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 5-Methyl-1H-1,2,4-triazole-3(2H)-thione?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 5-Methyl-1H-1,2,4-triazole-3(2H)-thione?
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 5-Methyl-1H-1,2,4-triazole-3(2H)-thione to my country?
Yes. Because 5-Methyl-1H-1,2,4-triazole-3(2H)-thione 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.

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