Molekula
Pyrazinamide
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
Pyrazinamide is a synthetic pyrazine derivative primarily used as a first-line antituberculosis drug in combination therapy. It disrupts bacterial cell wall synthesis in Mycobacterium tuberculosis, enhancing treatment efficacy. This white crystalline powder has a CAS number of 98-96-4, molecular formula C5H5N3O, and a molecular weight of 123.11 g/mol. It should be stored at ambient conditions and handled with caution, as indicated by its warning signal word for potential hazards. Molekula supplies Pyrazinamide 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.
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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
100 g — $147.40 per pack
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Melting Point | 188 - 191°C |
| Water | 0.5% max |
| Heavy metals | 10ppm max |
| Identification | IR/UV |
| Assay | 99.0 - 101.0% |
| Sulphated Ash | 0.1% max |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Crystals |
| Melting Point | 192 °C |
| pKa | pKa = -0.5 |
| log P (octanol/water) | -0.60 |
Source: PubChem CID 1046 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 17143121 |
| CAS Number | 98-96-4 |
| IUPAC Name | pyrazine-2-carboxamide |
| EC Number | 202-717-6 |
| Molecular Formula | C5H5N3O |
| Molecular Weight | 123.11 |
| Exact Mass | 123.0433 |
| SMILES | C1=CN=C(C=N1)C(=O)N |
| InChIKey | IPEHBUMCGVEMRF-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H5N3O/c6-5(9)4-3-7-1-2-8-4/h1-3H,(H2,6,9) |
| PubChem CID | 1046 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.99.7500 |
| Tariff Code | 2933998090 |
Safety & GHS
-
Serious Health Hazard
GHS08
Hazard statements
- H361 Suspected of damaging fertility or the unborn child
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P405 Store locked up
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- Aldinamid
- Aldinamide
- Farmizina
- Pirazimida
- Pirazinamid
- pyrazine-2-carboxamide
- pyrazinecarboxamide
- pyrazinoic acid amide
- Unipyranamide
- Zinamide
Frequently asked questions
What is pyrazinamide primarily used for?
Pyrazinamide is primarily used as an antibiotic in the treatment of tuberculosis (TB), often in combination with other TB drugs.
What is the chemical formula and molecular weight of pyrazinamide?
The chemical formula is **C₅H₅N₃O** and the molecular weight is **123.11 g/mol**.
How should pyrazinamide be stored?
Store pyrazinamide at **ambient temperature** in a dry, well-ventilated area, away from incompatible substances.
What grades or purity levels of pyrazinamide does Molekula supply?
Molekula supplies **pharmaceutical-grade pyrazinamide** (USP/EP/BP compliant) for research and industrial applications.
Can Molekula supply pyrazinamide in bulk quantities?
Yes, Molekula can provide pyrazinamide in **bulk quantities** upon request, subject to availability and regulatory compliance.
What documentation comes with a pyrazinamide order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.