Molekula
Mezlocillin sodium
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
Mezlocillin sodium is a broad-spectrum beta-lactam antibiotic used to treat bacterial infections, particularly those caused by Gram-negative organisms. It is administered intravenously and belongs to the penicillin class. Available in powder form, it has a molecular formula of C21H24N5NaO8S2, a molecular weight of 561.56 g/mol, and must be stored at 2 to 8 °C. It carries the signal word Danger because of hazard statement H334: it may cause allergy or asthma symptoms or breathing difficulties if inhaled (respiratory sensitisation).
Molekula supplies Mezlocillin sodium in 100 mg packs, from £202.80 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 5 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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100 mg — £169.00 per pack ex VAT · £202.80 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 |
| Density | 0.4/cm3 |
| Water | <5% |
| Assay | 800 - 1000ug/mg |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 77075760 |
| CAS Number | 59798-30-0 |
| IUPAC Name | sodium (2S,5R,6R)-3,3-dimethyl-6-[[(2R)-2-[(3-methylsulfonyl-2-oxoimidazolidine-1-carbonyl)amino]-2-phenylacetyl]amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate |
| EC Number | 255-640-5 |
| Molecular Formula | C21H24N5NaO8S2 |
| Molecular Weight | 561.56 |
| Exact Mass | 561.0964 |
| SMILES | CC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)NC(=O)N4CCN(C4=O)S(=O)(=O)C)C(=O)[O-])C.[Na+] |
| InChIKey | GTGQRSIMEUWHPA-ZBJAFUORSA-M |
| InChI | InChI=1S/C21H25N5O8S2.Na/c1-21(2)14(18(29)30)26-16(28)13(17(26)35-21)22-15(27)12(11-7-5-4-6-8-11)23-19(31)24-9-10-25(20(24)32)36(3,33)34;/h4-8,12-14,17H,9-10H2,1-3H3,(H,22,27)(H,23,31)(H,29,30);/q;+1/p-1/t12-,13-,14+,17-;/m1./s1 |
| PubChem CID | 23685177 |
| REACH Code | Y110 |
| HTS Code | 29411030 |
| Tariff Code | 2941100000 |
Safety & GHS
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Serious Health Hazard
GHS08
Hazard statements
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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.
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
- Antibiotic bay-f 1353
- Baycipen
- Mezlocillin sodium salt
- Monosodium mezlocillin
- Sodium mezlocillin
Frequently asked questions
What is Mezlocillin sodium used for?
Mezlocillin sodium is a beta-lactam antibiotic used to treat bacterial infections, particularly those caused by Gram-negative bacteria.
What is the chemical formula and molecular weight of Mezlocillin sodium?
The formula is C21H24N5NaO8S2 with a molecular weight of 561.56 g/mol.
How should Mezlocillin sodium be stored?
It should be stored at 2 to 8 °C and protected from light and moisture.
What grade of Mezlocillin sodium does Molekula supply?
Molekula supplies Mezlocillin sodium as a white to off-white powder with an assay of 800 to 1000 µg/mg and a water content below 5%.
Can Molekula supply Mezlocillin sodium in bulk quantities?
Yes, Molekula can supply Mezlocillin sodium in bulk quantities—please contact us for custom order details.
What documentation comes with a Mezlocillin sodium order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available upon request.
Where can I buy Mezlocillin sodium?
Directly from Molekula, which lists Mezlocillin sodium in 100 mg packs from £202.80 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.
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.