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Molekula

Molekula

Clavulanic acid potassium salt (Potassium Clavulanate)/Avicel (1:1)

SKU 87644048 CAS 61177-45-5 C8H8KNO5 MW 237.25 In stock (5+ packs) — same-day dispatch Bulk quantities on request

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

Potassium clavulanate is a beta-lactamase inhibitor used in combination with antibiotics like amoxicillin to broaden their antibacterial spectrum by preventing resistance. This 1:1 salt formulation with Avicel enhances stability and handling. CAS 61177-45-5, molecular formula C8H8KNO5, molecular weight 237.25 g/mol, and requires refrigerated storage (2–8°C). Marked with a **Danger** signal word due to health hazards. Molekula supplies Potassium Clavulanate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Often bought together

Pricing & pack sizes

Pack sizes & pricing

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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  • 1 g — $135.80 per pack

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Specifications

Property Value
Appearance White to off-white powder
Water ≤ 2.5%
pH 4.8 - 8.0
Assay HPLC Clavulanic acid (as is) 38.3 - 45%, Clavulanic Pot (as is) 45.6 - 53.5%

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Transport Class 4.2
Packing Group II
Acidity Neutral

Identification

Property Value
SKU 87644048
CAS Number 61177-45-5
IUPAC Name potassium (2R,3Z,5R)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]heptane-2-carboxylate
EC Number 262-640-9
Molecular Formula C8H8KNO5
Molecular Weight 237.25
Exact Mass 237.004
SMILES C1[C@@H]2N(C1=O)[C@H](/C(=C/CO)/O2)C(=O)[O-].[K+]
InChIKey ABVRVIZBZKUTMK-JSYANWSFSA-M
InChI InChI=1S/C8H9NO5.K/c10-2-1-4-7(8(12)13)9-5(11)3-6(9)14-4;/h1,6-7,10H,2-3H2,(H,12,13);/q;+1/p-1/b4-1-;/t6-,7-;/m1./s1
PubChem CID 23665591
UN Number UN3088
REACH Code Y110
HTS Code 29419050
Tariff Code 2941900000

Safety & GHS

Danger
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08

Hazard statements

  • EUH014 Reacts violently with water
  • EUH044 Risk of explosion if heated under confinement
  • H228 Flammable solid
  • H252 Self-heating in large quantities; may catch fire
  • H317 May cause an allergic skin reaction
  • H319 Causes serious eye irritation
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements

  • P201 Obtain special instructions before use
  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P235+410 Keep cool. Protect from sunlight
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • 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

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

  • Amonate
  • AUGMENTIN COMPONENT CLAVULANATE POTASSIUM
  • BRL 14151K
  • CLAVULANATE POTASSIUM
  • CLAVULANIC ACID POTASSIUM
  • Clavulanic Acid Potassium Salt
  • Clavulanic Acid, Monopotassium Salt
  • Clavulansaeure kaliumsalz
  • Potassium clavulanate
  • POTASSIUM CLAVULANATE - 1:1 MIXTURE WITH CELLULOSE

Frequently asked questions

What is clavulanic acid potassium salt (Potassium Clavulanate) mixed with Avicel (1:1) used for?

This formulation is primarily used as a **β-lactamase inhibitor** in combination with antibiotics like amoxicillin to extend their spectrum of activity against resistant bacteria, particularly in pharmaceutical and veterinary applications.

What is the chemical formula and molecular weight of this product?

The **clavulanic acid potassium salt** component has the formula **C₈H₈KNO₅** with a molecular weight of **237.25 g/mol** (Avicel is a microcrystalline cellulose excipient and does not have a defined MW).

What safety classification does this product have, and how should it be handled?

This product carries a **Signal Word: Danger** due to its hazardous properties. Always handle with appropriate PPE, avoid inhalation, and follow local regulations for pharmaceutical-grade chemicals.

What grades or purity levels of this product does Molekula supply?

Molekula supplies this product in **pharmaceutical-grade purity** (typically ≥98% clavulanic acid potassium salt content) suitable for drug development and clinical applications.

Can Molekula supply this product in bulk quantities for large-scale production?

Yes, Molekula can provide this product in **bulk quantities** (minimum order quantities vary; contact us for custom bulk pricing and logistics support).

What documentation is provided with an order of this product?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and **batch-specific documentation** for traceability. Additional compliance certificates (e.g., GMP, DMF) may be available upon request.

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