Molekula
Dissolution Performance Verification Standard - Prednisone - USP CRS
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
Prednisone USP CRS is a certified reference standard used for verifying the performance of dissolution testing in pharmaceutical development and quality control. It is a well-characterized compound with a molecular formula of C21H26O5, a molecular weight of 358.4 g/mol, and a CAS number of 53-03-2. Stored at ambient temperature, it is classified as Danger due to its hazardous properties. Molekula supplies Prednisone USP CRS 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| 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 | 90035385 |
| 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 | 358.4 |
| 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 | 2937.21.0030 |
| Tariff Code | 2937210000 |
Safety & GHS
-
Serious Health Hazard
GHS08
Hazard statements
- H320 Causes eye irritation
- H361 Suspected of damaging fertility or the unborn child
- H372 Causes damage to organs through prolonged or repeated exposure
Precautionary statements
- P263 Avoid contact during pregnancy/while nursing
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
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
- Colisone
- Decortin
- Dehydrocortisone
- Deltacortisone
- Deltasone
- Metacortandracin
- Meticorten
- Paracort
- prednisone
- Supercortil
Frequently asked questions
What is this product used for?
It is used as a reference standard for verifying the performance of dissolution testing systems in pharmaceutical quality control.
What is the chemical formula and molecular weight?
The formula is C21H26O5 with a molecular weight of 358.4 g/mol.
How should it be stored?
Store at ambient temperature; no special storage conditions required.
What grade is available?
This product is USP Certified Reference Standard (CRS) grade, suitable for regulatory compliance.
Can Molekula supply it in bulk?
Yes, Molekula can supply this standard in bulk quantities—please contact us for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and a Certificate of Compliance with USP standards.
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.