Molekula
Rofecoxib
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
Rofecoxib is a selective COX-2 inhibitor used in research for studying inflammation and pain pathways. It is available in high purity for pharmaceutical and biochemical applications. CAS: 162011-90-7, Molecular Formula: C17H14O4S, Molecular Weight: 314.36 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Rofecoxib 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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100 mg — £60.70 per pack ex VAT · £72.84 inc. VAT
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1 g — £241.40 per pack ex VAT · £289.68 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 | Off-white to light yellow solid |
| Identification | Conforms to reference |
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 | White to off-white to light yellow powder |
| Vapour Pressure | 3.2 × 10⁻⁹ mmHg at 25 °C (Estimated) |
| log P (octanol/water) | 1.56 |
Source: PubChem CID 5090 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 85601753 |
| CAS Number | 162011-90-7 |
| IUPAC Name | 3-(4-methylsulfonylphenyl)-4-phenyl-2H-furan-5-one |
| Molecular Formula | C17H14O4S |
| Molecular Weight | 314.36 |
| Exact Mass | 314.0613 |
| SMILES | CS(=O)(=O)C1=CC=C(C=C1)C2=C(C(=O)OC2)C3=CC=CC=C3 |
| InChIKey | RZJQGNCSTQAWON-UHFFFAOYSA-N |
| InChI | InChI=1S/C17H14O4S/c1-22(19,20)14-9-7-12(8-10-14)15-11-21-17(18)16(15)13-5-3-2-4-6-13/h2-10H,11H2,1H3 |
| PubChem CID | 5090 |
| REACH Code | Y110 |
| HTS Code | 2932.20.45.00 |
| Tariff Code | 2932209090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
Precautionary statements
- 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
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.
Synonyms
- 3-(4-methylsulfonylphenyl)-4-phenyl-2H-furan-5-one
- 3-phenyl-4-[4-(methylsulfonyl)phenyl]-2(5H)-furanone
- 4-(4-(Methylsulfonyl)phenyl)-3-phenylfuran-2(5H)-one
- 4-(4-methylsulfonylphenyl)-3-phenyl-5H-furan-2-one
- 4-[4-(methylsulfonyl)phenyl]-3-phenyl-2(5H)-furanone
- Ceoxx
- MK 966
- rofecoxibum
- Vioxx
- Vioxx Dolor
Frequently asked questions
What is rofecoxib primarily used for?
Rofecoxib is a selective COX-2 inhibitor. It was marketed as a non-steroidal anti-inflammatory drug from 1999 to 2004 for osteoarthritis and pain, but it was withdrawn because of an increased risk of heart attack and stroke. Today it is used as a research compound for studying COX-2 inhibition, inflammation and pain pathways.
What is the chemical formula and molecular weight of rofecoxib?
The chemical formula is C₁₇H₁₄O₄S and the molecular weight is 314.36 g/mol.
What safety classification does rofecoxib have?
Rofecoxib is labeled with the signal word 'Warning' under GHS classification.
How should rofecoxib be stored?
Store rofecoxib at 2 to 8 °C in a dry, well-ventilated area, away from direct sunlight.
Does Molekula supply rofecoxib in bulk quantities?
Yes, Molekula can supply rofecoxib in bulk, subject to regulatory compliance and order requirements.
What documentation is provided with a rofecoxib order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS/SDS), and a Certificate of Origin 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.