Molekula
Prednisone
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
Prednisone is a synthetic corticosteroid used to treat inflammatory and autoimmune conditions. It is administered orally, as tablets or oral solution, and is a prodrug converted in the liver to its active metabolite, prednisolone. CAS: 53-03-2, Molecular Formula: C21H26O5, Molecular Weight: 358.43 g/mol, Storage: 2 to 8 °C, Signal Word: Danger. Molekula supplies Prednisone 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
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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5 g — £62.30 per pack ex VAT · £74.76 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 crystalline powder |
| Melting Point | 228 degC |
| Water | ≤ 1.0% |
| Identification | Conforms to reference |
| Loss on Drying | 1.00% max |
| Assay | 97%min |
| Related Substances | 1.20% |
| Specific absorption | 420.8nm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Crystals |
| Odour | Odorless |
| Melting Point | 230 - 235 °C (decomposes) |
| Solubility (other solvents) | Very slightly soluble in water; 1 g soluble in 150 mL alcohol, in 200 mL chloroform; slightly soluble in methanol |
| log P (octanol/water) | 1.46 |
Source: PubChem CID 5865 (HSDB, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 27214047 |
| CAS Number | 53-03-2 |
| IUPAC Name | (8S,9S,10R,13S,14S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,11-dione |
| EC Number | 200-160-3 |
| Molecular Formula | C21H26O5 |
| Molecular Weight | 358.43 |
| Exact Mass | 358.178 |
| SMILES | C[C@]12CC(=O)[C@H]3[C@H]([C@@H]1CC[C@@]2(C(=O)CO)O)CCC4=CC(=O)C=C[C@]34C |
| InChIKey | XOFYZVNMUHMLCC-ZPOLXVRWSA-N |
| InChI | InChI=1S/C21H26O5/c1-19-7-5-13(23)9-12(19)3-4-14-15-6-8-21(26,17(25)11-22)20(15,2)10-16(24)18(14)19/h5,7,9,14-15,18,22,26H,3-4,6,8,10-11H2,1-2H3/t14-,15-,18+,19-,20-,21-/m0/s1 |
| PubChem CID | 5865 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2937210030 |
| Tariff Code | 2937210000 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- EUH380 May cause endocrine disruption in humans
- H302+312 Harmful if swallowed or in contact with skin
- H361 Suspected of damaging fertility or the unborn child
- H372 Causes damage to organs through prolonged or repeated exposure
- H402 Harmful to aquatic life
Precautionary statements
- P201 Obtain special instructions before use
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- Colisone
- Decortin
- Decortisyl
- Dehydrocortisone
- Deltacortisone
- Deltasone
- Metacortandracin
- Meticorten
- Paracort
- Supercortil
Frequently asked questions
What is prednisone used for?
Prednisone is a corticosteroid used to treat inflammation, autoimmune disorders, and certain types of cancer.
What is the chemical formula and molecular weight of prednisone?
The formula is C21H26O5 with a molecular weight of 358.43 g/mol.
How should prednisone be stored?
Prednisone should be stored at 2 to 8 °C, protected from light and moisture.
What grade of prednisone does Molekula supply?
Molekula supplies research-grade prednisone, suitable for laboratory use.
Can Molekula supply prednisone in bulk quantities?
Yes, Molekula can supply prednisone in bulk; please contact us for custom volume pricing.
What documentation comes with a prednisone 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.