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Molekula

Molekula

Lysozyme CEW

SKU 90032291 CAS 12650-88-3 In stock 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

Lysozyme CEW is an enzyme derived from chicken egg white, widely used in food preservation, pharmaceuticals, and biotechnology as a natural antimicrobial agent to inhibit bacterial growth. It is a hydrolytic enzyme that breaks down bacterial cell walls, particularly effective against Gram-positive bacteria. This product has a CAS number of 12650-88-3 and must be stored at -15 to -20°C to maintain stability. It carries a Danger signal word due to potential health hazards if improperly handled, requiring careful use in compliance with safety protocols. Molekula supplies Lysozyme CEW 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.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

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Specifications

Property Value
Appearance White to light yellow powder
Water ≤6
Ash ≤1.5%
Identification Conforms to reference
Salmonella Not detected
pH 3.0.-7.0
Activity ≥20000
Escherichia coli ≤3.0
Staphylococcus aureus Not detected
Mould & Yeast ≤100
Total Colonies ≤50000

Storage & handling

Property Value
Storage Temperature -15 to -20 °C
Acidity Neutral

For research use only. Not for human use.

Identification

Property Value
SKU 90032291
CAS Number 12650-88-3
SMILES CCC(C)C(C(=O)NC(CCCNC(=N)N)C(=O)NC(C)C(=O)NC(CC1=CNC2=CC=CC=C21)C(=O)NC(C(C)C)C(=O)NC(C)C(=O)NC(CC3=CNC4=CC=CC=C43)C(=O)NC(CCCNC(=N)N)C(=O)NC(CC(=O)N)C(=O)NC(CCCNC(=N)N)C(=O)O)NC(=O)CNC(=O)C(
REACH Code Y110
HTS Code 3507.90.7000
Tariff Code 3507909090

Safety & GHS

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

Hazard statements

  • H332 Harmful if inhaled
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P284 Wear respiratory protection
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing

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

No alternate names recorded for this product.

Frequently asked questions

What is lysozyme CEW commonly used for?

Lysozyme CEW is primarily used as a preservative in food, pharmaceuticals, and cosmetics due to its antimicrobial properties, particularly against Gram-positive bacteria.

What is the chemical formula and molecular weight of lysozyme CEW?

Hen egg-white lysozyme is a 129-residue protein with an empirical formula of approximately C₆₁₃H₉₅₉N₁₉₃O₁₈₅S₁₀, and its molecular weight is approximately 14,307 g/mol.

How should lysozyme CEW be stored?

Lysozyme CEW must be stored frozen at -15 to -20°C to maintain stability and activity.

What grades of lysozyme CEW does Molekula supply?

Molekula supplies pharmaceutical-grade lysozyme CEW, meeting strict purity and safety standards for regulated industries.

Can Molekula supply lysozyme CEW in bulk quantities?

Yes, Molekula can provide lysozyme CEW in bulk, with quantities and packaging tailored to customer requirements.

What documentation comes with a lysozyme CEW order?

Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.

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