Molekula
Budesonide
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
Budesonide is a synthetic corticosteroid used primarily in the treatment of asthma and other inflammatory conditions of the respiratory tract. It functions as a potent anti-inflammatory agent with minimal systemic absorption when inhaled. Available in powder form, it has a molecular formula of C25H34O6, a molecular weight of 430.53 g/mol, and is stable at ambient temperatures. It is classified as a hazardous substance with a signal word of Danger. Molekula supplies Budesonide 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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250 mg — £46.50 per pack ex VAT · £55.80 inc. VAT
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1 g — £113.00 per pack ex VAT · £135.60 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 |
| Identification | Concordant with that of a working standard |
| Loss on Drying | ≦ 0.5% |
| Solubility | Practically insoluble in water. Freely soluble in Methylene Chloride. Sparingly soluble in alcohol. |
| Particle Size | 95% < 5, 100% < 10 |
| Assay (dried basis) | 98% min |
| B. Total | ≦ 0.5% |
| Methanol (GC) | < 0.1% |
| Related Substance (Liquid Chromatography) A. Single | ≦ 0.2% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Crystals |
| Melting Point | 221-232 °C (decomposes) |
| Water Solubility | Practically insoluble in water |
| Solubility (other solvents) | Freely soluble in chloroform; sparingly soluble in ethanol, alcohol; practically insoluble in heptane |
| log P (octanol/water) | 3.20 |
Source: PubChem CID 5281004 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 37869156 |
| CAS Number | 51333-22-3 |
| IUPAC Name | (1S,2S,4R,8S,9S,11S,12S,13R)-11-hydroxy-8-(2-hydroxyacetyl)-9,13-dimethyl-6-propyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one |
| EC Number | 257-139-7 |
| Molecular Formula | C25H34O6 |
| Molecular Weight | 430.53 |
| Exact Mass | 430.2355 |
| SMILES | CCCC1O[C@@H]2C[C@H]3[C@@H]4CCC5=CC(=O)C=C[C@@]5([C@H]4[C@H](C[C@@]3([C@@]2(O1)C(=O)CO)C)O)C |
| InChIKey | VOVIALXJUBGFJZ-KWVAZRHASA-N |
| InChI | InChI=1S/C25H34O6/c1-4-5-21-30-20-11-17-16-7-6-14-10-15(27)8-9-23(14,2)22(16)18(28)12-24(17,3)25(20,31-21)19(29)13-26/h8-10,16-18,20-22,26,28H,4-7,11-13H2,1-3H3/t16-,17-,18-,20+,21?,22+,23-,24-,25+/m0/s1 |
| PubChem CID | 5281004 |
| REACH Code | Y110 |
| HTS Code | 29372990 |
| Tariff Code | 2937290000 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H336 May cause drowsiness or dizziness
- H360 May damage fertility or the unborn child
- H362 May cause harm to breast-fed children
- H373 May cause damage to organs through prolonged or repeated exposure
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing 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
- 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.
Synonyms
- Budenofalk
- Entocort
- Entocort EC
- Preferid
- Pulmicort
- Pulmicort Flexhaler
- Pulmicort Respules
- Rhinocort
- Rhinocort Aqua
- Uceris
Frequently asked questions
What is Budesonide used for?
Budesonide is a corticosteroid used primarily in the treatment of asthma and other inflammatory conditions of the respiratory tract.
What is the chemical formula and molecular weight of Budesonide?
The chemical formula is C25H34O6 with a molecular weight of 430.53 g/mol.
How should Budesonide be stored?
Budesonide should be stored at ambient temperature, protected from light and moisture.
What grade of Budesonide does Molekula supply?
Molekula supplies Budesonide in research grade.
Can Molekula supply Budesonide in bulk?
Yes, Molekula can supply Budesonide in bulk quantities—please contact our sales team for details.
What documentation comes with a Budesonide order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS).
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.