Ketoprofen Impurity 78 CAS 136656-97-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 136656-97-8 |
| Molecular Formula | C18H18O3 |
| Molecular Weight | 282.33 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ketoprofen Impurity 78 (CAS 136656-97-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H18O3. Molecular weight: 282.33 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H18O3 |
| Molecular Weight | 282.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
Related Ketoprofen Standards
- Ketoprofen EP Impurity J (CAS 1785759-59-2)
- Ketoprofen Ethyl Ester (CAS 60658-04-0)
- Ketoprofen Impurity 106 (CAS 59310-31-5)
- Ketoprofen-13CD3 Methyl Ester (CAS 1190007-27-2)
- Ketoprofen-d3 Methyl Ester (CAS 1189950-12-6)
- Ketoprofen Impurity 31 (CAS 23323-37-7)
- Ketoprofen Impurity 102 (CAS CATO-C4X-1471102)
- Ketoprofen Impurity 51 (CAS 144977-91-3)
Recommended Standards
- 1-(2-hydroxyphenyl)-3-phenylhexane-1,5-dione (CAS CATO-C4X-178110)
- 9-epi-Artemisinin (CAS 113472-97-2)
- Dapoxetine Impurity 33 (CAS CATO-C4X-143933)
- Adenosine Impurity 25 4-sulfobutane-1-sulfonate (CAS CATO-C4X-241925)
- Thiamine /Vitamin B1 Impurity 55 (CAS 855380-68-6)
- 5-(Bromomethyl)-2-chloropyridine hydrobromide (CAS 32918-40-4)
- 4-(Diphenylphosphino)benzamide (CAS 5068-15-5)
- n-(1-Benzylpiperidin-4-yl)-3-nitropyridin-2-amine (CAS 185058-54-2)
- 4-Ethoxybenzofuran-2-carboximidamide (CAS 199287-02-0)
- Gastric Inhibitory Polypeptide (1-30) amide (porcine) (CAS 134846-93-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com