Acetaminophen Impurity 24 CAS 1991204-56-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1991204-56-8 |
| Molecular Formula | C16H18N2O2 |
| Molecular Weight | 270.33 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Acetaminophen Impurity 24 (CAS 1991204-56-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H18N2O2. Molecular weight: 270.33 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H18N2O2 |
| Molecular Weight | 270.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
Related Acetaminophen Standards
- Acetaminophen Impurity 21 (CAS 801215-24-7)
- Acetaminophen Impurity 22 (CAS CATO-C4X-121122)
- Acetaminophen-cysteine (CAS 64014-06-8)
- Acetaminophen Impurity 42 (CAS 1075742-56-1)
- Acetaminophen Impurity 39 (CAS 93629-82-4)
- Acetaminophen Impurity 19 (CAS 98966-17-7)
- Acetaminophen Impurity 25 (CAS 98966-14-4)
- Acetaminophen Impurity 40 (CAS 483303-97-5)
Recommended Standards
- Palbociclib Impurity 99 (CAS 2144748-14-9)
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- Mirabegron Impurity 43 (CAS 1627515-83-6)
- Benserazide EP Impurity B Ethanol (CAS 2472968-83-3（free base）)
- Biapenem impurity 33 (CAS 155835-09-9)
- (2,4-Dimethylphenyl)(furan-3-yl)methanol (CAS 1250626-45-9)
- 1-cyclopentylimidazolidin-2-one (CAS 1279815-55-2)
- 1-(2,4-Dichlorobenzyl)-3-(4-fluorobenzyl)-4-hydroxypyridin-2(1H)-one (CAS 478247-91-5)
- 7-Methoxy-8-nitro-1,2,3,4-tetrahydroisoquinoline (CAS 1824065-42-0)
- Peptide YY (3-36) (human) (CAS 123583-37-9)
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