Molekula
5-Mercapto-1-methyltetrazole
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
5-Mercapto-1-methyltetrazole is a sulfur-containing heterocyclic compound used as the N-methyltetrazolethiol side-chain intermediate in the synthesis of cephalosporin antibiotics such as cefoperazone, cefamandole, cefmetazole and latamoxef, as an antifoggant and stabilizer in photographic emulsions, and as an intermediate in pharmaceutical and agrochemical synthesis. It appears as a white to pale yellow crystalline powder. CAS: 13183-79-4, Molecular Formula: C2H4N4S, Molecular Weight: 116.15 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies 5-Mercapto-1-methyltetrazole from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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25 g — £62.10 per pack ex VAT · £74.52 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Melting Point | ≥124℃ |
| Loss on Drying | ≤0.50% |
| Assay | ≥99.0% |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 12700348 |
| CAS Number | 13183-79-4 |
| IUPAC Name | 1-methyl-2H-tetrazole-5-thione |
| EC Number | 236-132-2 |
| Molecular Formula | C2H4N4S |
| Molecular Weight | 116.15 |
| Exact Mass | 116.0157 |
| SMILES | CN1C(=S)N=NN1 |
| InChIKey | XOHZHMUQBFJTNH-UHFFFAOYSA-N |
| InChI | InChI=1S/C2H4N4S/c1-6-2(7)3-4-5-6/h1H3,(H,3,5,7) |
| PubChem CID | 2723772 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29339979 |
| Tariff Code | 2933998090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- USH01 May form combustible dust concentrations in air
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1-Methyl-1H-tetrazole-5-thiol
- 1-Methyl-5-mercapto-1H-tetrazole
- 1-Methyl-5-mercaptotetrazole
- 1-Methyl-5-tetrazolethione
- 1-Methyltetrazole-5-thiol
- 1-N-Methyl-5-thiotetrazole
- 1,2-Dihydro-1-methyl-5H-tetrazole-5-thione
- 5-mercapto-N-methyltetrazole
- N-methyl-thio-tetrazole
- N-Methyltetrazolethiol
Frequently asked questions
What is 5-Mercapto-1-methyltetrazole used for?
It is primarily used as the N-methyltetrazolethiol side-chain intermediate for cephalosporin antibiotics such as cefoperazone, cefamandole, cefmetazole and latamoxef, as an antifoggant and stabilizer in photographic emulsions, and as a building block in pharmaceutical and agrochemical synthesis.
What is the chemical formula and molecular weight of 5-Mercapto-1-methyltetrazole?
The formula is C2H4N4S with a molecular weight of 116.15 g/mol.
How should 5-Mercapto-1-methyltetrazole be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for this product?
Available in technical grade; custom purity levels may be requested.
Can Molekula supply 5-Mercapto-1-methyltetrazole in bulk?
Yes, bulk quantities are available upon request; please contact our sales team for details.
What documentation comes with an order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.