3'-Acetoxy-5-chlorovalerophenone CAS 898786-91-9
| CAS No. | 898786-91-9 |
| Molecular Formula | C13H15ClO3 |
| Molecular Weight | 254.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
3'-Acetoxy-5-chlorovalerophenone (CAS 898786-91-9) is a high-purity analytical reference standard with the molecular formula C13H15ClO3 and a molecular weight of 254.71 g/mol.
Structurally, 3'-Acetoxy-5-chlorovalerophenone (C13H15ClO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 254.71 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H15ClO3 |
| Molecular Weight | 254.71 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
Related Acetoxy Standards
- 2'-Acetoxy-5-chlorovalerophenone (CAS 1017060-87-5)
- 4'-Acetoxy-5-chlorovalerophenone (CAS 898786-94-2)
- 2-Acetoxy-2-methylbenzophenone (CAS 890098-87-0)
- 2-Acetoxy-3-methylbenzophenone (CAS 890098-89-2)
- 2-Acetoxy-4-methylbenzophenone (CAS 890098-91-6)
- 4-Acetoxy-2-methylbenzophenone (CAS 52981-06-3)
- 4-Acetoxy-3-methylbenzophenone (CAS 52981-07-4)
- 2-Acetoxy-2-(diethoxyphosphoryl)acetic acid (CAS 205264-44-4)
Recommended Standards
- 3-[benzyl(chloroacetyl)amino]propanamide (CAS 941133-97-7)
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- 3-[(2-chloroacetamido)methyl]-N,N-dimethylbenzamide (CAS 2031259-37-5)
- 4-(2-Chloroacetamido)-N-propylbenzamide (CAS 908528-77-8)
- (Morpholinium-4-ylmethyl)trifluoroborateinternal salt (CAS 1268340-94-8)
- 2-(Pyridin-2-yl)-1-(pyridin-3-yl)ethan-1-one (CAS 59576-33-9)
- Scabertopin (CAS 185213-52-9)
- 4-Methyl-N-[2-(pyridin-3-yl)pyrimidin-4-yl]benzamide (CAS 478046-75-2)
- 4-[(Benzyloxy)methyl]-5-chloro-1-methyl-3-phenyl-1H-pyrazole (CAS 318248-45-2)
- Ethyl 4-dimethylaminobenzoylformate (4-Dimethylaminophenyl)oxoacetic acid ethyl ester 41116-24-9 (CAS 41116-24-9)
- 3-(2-Chloro-4-fluorophenoxy)piperidine (CAS 946680-99-5)
- Methyl 2-(2,3-dihydrobenzofuran-3-yl)acetate (CAS 93198-70-0)
- (6-(4-Chlorophenyl)imidazo[2,1-b]thiazol-5-yl)methanamine (CAS 1082924-61-5)
- Myristoyl Pentapeptide -4 acetate (CAS 959610-30-1(free base))
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