2-Acetoxy-4-pentyloxybenzophenone CAS 890098-58-5
| CAS No. | 890098-58-5 |
| Molecular Formula | C20H22O4 |
| Molecular Weight | 326.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2-Acetoxy-4-pentyloxybenzophenone (CAS 890098-58-5), a certified reference material (molecular formula C20H22O4, MW 326.39 g/mol) for analytical method development and quality control.
Structurally, 2-Acetoxy-4-pentyloxybenzophenone (C20H22O4) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 326.39 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 2-Acetoxy-4-pentyloxybenzophenone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H22O4 |
| Molecular Weight | 326.39 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 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.) | 1987 |
Related Acetoxy Standards
- 3-Acetoxy-4-(benzyloxy)phenethyl acetate (CAS 1798042-57-5)
- 2-Acetoxy-4-hexylbenzophenone (CAS 890098-48-3)
- 2-Acetoxy-5-(2-bromoacetyl)benzyl acetate (CAS 24085-07-2)
- 2-Acetoxy-3-phenoxybenzophenone (CAS 890099-37-3)
- 2-Acetoxy-4-phenoxybenzophenone (CAS 890098-30-3)
- methyl 2-acetoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 1073355-18-6)
- Methyl 3-acetoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 2377611-62-4)
- Methyl 4-acetoxy-3-iodobenzoate (CAS 1131614-03-3)
Recommended Standards
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- 4-Chloro-3-(4-chlorophenyl)benzoic acid (CAS 695190-76-2)
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- 3-Cyclopropyl-5-ethynylpyridine (CAS 1256823-31-0)
- N-(2-Bromo-3-cyclopropoxyphenyl)methanesulfonamide (CAS 1243482-29-2)
- 5-Chloro-6-methyl-1H-indole-3-carbaldehyde (CAS 1935459-78-1)
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