Molekula
Tazobactam
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Tazobactam is a beta-lactamase inhibitor used in combination with beta-lactam antibiotics to treat bacterial infections. It is available in powder form with a molecular formula of C10H12N4O5S, a molecular weight of 300.29 g/mol, and a CAS number of 89786-04-9. It must be stored at 2 to 8 °C and is classified as a hazardous substance with a signal word of Danger.
Molekula supplies Tazobactam at ≥98.0% purity in 1 g packs, from £59.76 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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.
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1 g — £49.80 per pack ex VAT · £59.76 inc. VAT
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 to off-white powder |
| Water | ≤ 0.5% |
| Specific rotation | 160° and 167° (t = 20℃) |
| Heavy metals | ≤ 20ppm |
| Identification | Conforms to reference |
| Residue on Ignition | ≤ 0.1% |
| Total Impurities | ≤ 1.0% |
| Assay HPLC | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| pKa | pKa = 2.1 |
Source: PubChem CID 123630 (DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 49214011 |
| CAS Number | 89786-04-9 |
| IUPAC Name | (2S,3S,5R)-3-methyl-4,4,7-trioxo-3-(triazol-1-ylmethyl)-4lambda6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid |
| EC Number | 618-303-7 |
| Molecular Formula | C10H12N4O5S |
| Molecular Weight | 300.29 |
| Exact Mass | 300.0528 |
| SMILES | C[C@@]1([C@@H](N2[C@H](S1(=O)=O)CC2=O)C(=O)O)CN3C=CN=N3 |
| InChIKey | LPQZKKCYTLCDGQ-WEDXCCLWSA-N |
| InChI | InChI=1S/C10H12N4O5S/c1-10(5-13-3-2-11-12-13)8(9(16)17)14-6(15)4-7(14)20(10,18)19/h2-3,7-8H,4-5H2,1H3,(H,16,17)/t7-,8+,10+/m1/s1 |
| PubChem CID | 123630 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| HTS Code | 2941903000 |
| Tariff Code | 2941900000 |
Safety & GHS
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H317 May cause an allergic skin reaction
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H360D May harm the unborn child
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P342+311 Call a POISON CENTER or doctor
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 89786-04-9 (free acid)
- CL 298,741
- Epitope ID:2145270
- Tazobactam (JP18/USP/INN)
- Tazobactam (Standard)
- Tazobactam acid
- Tazobactam;Tazobactan acid
- Tazobactamum
- YTR 830
- YTR 830H
Frequently asked questions
What is Tazobactam used for?
Tazobactam is a beta-lactamase inhibitor used in combination with antibiotics like piperacillin to treat bacterial infections, especially those caused by resistant strains.
What is the chemical formula and molecular weight of Tazobactam?
The chemical formula of Tazobactam is C10H12N4O5S, and its molecular weight is 300.29 g/mol.
How should Tazobactam be stored?
Tazobactam should be stored at 2 to 8 °C and protected from light and moisture.
What grade of Tazobactam does Molekula supply?
Molekula supplies Tazobactam as a white to off-white powder with an HPLC assay of at least 98.0%, total impurities of no more than 1.0%, water of no more than 0.5%, and heavy metals of no more than 20 ppm.
Can Molekula supply Tazobactam in bulk?
Yes, Molekula can supply Tazobactam in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Tazobactam order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
Where can I buy Tazobactam?
Directly from Molekula, which lists Tazobactam in 1 g packs from £59.76 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is Tazobactam dangerous goods for shipping?
Yes. Tazobactam ships as dangerous goods: UN3077, class 9, packing group III.
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.