Molekula
Cycloheximide (>90%)
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
Cycloheximide is a potent protein synthesis inhibitor widely used in molecular biology, microbiology, and cell culture research to study gene expression, translation, and fungal growth. It blocks eukaryotic ribosomal function, making it essential for experimental applications like antibiotic sensitivity testing and protein research. It also serves as a selective agent in laboratory culture media for isolating fungi and has been applied agriculturally as a fungicide and plant growth regulator. Cycloheximide (>90%) has a CAS number of 66-81-9, molecular formula C15H23NO4, and a molecular weight of 281.3474. Store at 2 to 8°C. The product is classified with the signal word "Danger" due to its hazardous nature. Molekula supplies Cycloheximide (>90%) 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.
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1 g — $57.40 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 or cream color powder |
| Purity (HPLC) | ≥90.0% |
| Loss on Drying | ≤1.0% |
| Potency (Dry Basis) | ≥900 units/mg |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | I |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Crystals |
| Melting Point | 119.5-121 °C |
| Water Solubility | 0.00021 mg/L at 25 °C |
| Vapour Pressure | 0.006 mmHg at 25 °C |
| log P (octanol/water) | 0.55 |
Source: PubChem CID 6197 (HSDB, ICSC, PAC Chemical Database)
Identification
| Property | Value |
|---|---|
| SKU | 90029444 |
| CAS Number | 66-81-9 |
| IUPAC Name | 4-[(2R)-2-[(1S,3S,5S)-3,5-dimethyl-2-oxocyclohexyl]-2-hydroxyethyl]piperidine-2,6-dione |
| EC Number | 200-636-0 |
| Molecular Formula | C15H23NO4 |
| Molecular Weight | 281.3474 |
| Exact Mass | 281.1627 |
| SMILES | C[C@H]1C[C@@H](C(=O)[C@@H](C1)[C@@H](CC2CC(=O)NC(=O)C2)O)C |
| InChIKey | YPHMISFOHDHNIV-FSZOTQKASA-N |
| InChI | InChI=1S/C15H23NO4/c1-8-3-9(2)15(20)11(4-8)12(17)5-10-6-13(18)16-14(19)7-10/h8-12,17H,3-7H2,1-2H3,(H,16,18,19)/t8-,9-,11-,12+/m0/s1 |
| PubChem CID | 6197 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 29419010 |
| Tariff Code | 2941900000 |
Safety & GHS
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Toxic
GHS06
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H300 Fatal if swallowed
- H341 Suspected of causing genetic defects
- H360D May harm the unborn child
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), 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.
Synonyms
- Acti-Aid
- Actidion
- ACTIDIONE
- Actidone
- Cicloheximide
- Hizarocin
- Kaken
- Naramycin
- NARAMYCIN A
- Neocycloheximide
Frequently asked questions
What is cycloheximide (>90%) primarily used for?
Cycloheximide is commonly used as a research tool to inhibit protein synthesis in eukaryotic cells, particularly in studies of cell growth, translation, and fungal/microbial research.
What is the chemical formula and molecular weight of cycloheximide?
The chemical formula is **C₁₅H₂₃NO₄**, and the molecular weight is **281.3474 g/mol**.
How should cycloheximide (>90%) be stored?
Store at **2–8°C** in a dry, well-ventilated area, away from incompatible substances. Protect from light and moisture.
What purity grade is available for cycloheximide from Molekula?
Molekula supplies cycloheximide at a **>90% purity grade**, suitable for most research applications.
Can Molekula supply cycloheximide in bulk quantities?
Yes, bulk quantities are available upon request—contact our sales team for pricing and lead times.
What documentation is provided with a cycloheximide 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.