1-(3,4,5-Trihydroxyphenyl)ethanone CAS 33709-29-4
| CAS No. | 33709-29-4 |
| Molecular Formula | C8H8O4 |
| Molecular Weight | 168.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(3,4,5-Trihydroxyphenyl)ethanone (CAS 33709-29-4), molecular formula C8H8O4 and molecular weight 168.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H8O4, 1-(3,4,5-Trihydroxyphenyl)ethanone contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 168.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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.
As a certified reference material (CRM), 1-(3,4,5-Trihydroxyphenyl)ethanone 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 | C8H8O4 |
| Molecular Weight | 168.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Related Trihydroxyphenyl Standards
- 1-(2,4,5-Trihydroxyphenyl)ethanone (CAS 1818-27-5)
- 1-(2,3,6-Trihydroxyphenyl)ethanone (CAS 85918-30-5)
- (3,4,5-Trihydroxyphenyl)boronic acid (CAS 1285507-27-8)
- 1-(2,3,4-Trihydroxyphenyl)propan-1-one (CAS 22760-98-1)
- 2-(3,4,5-Trihydroxyphenyl)acetic acid (CAS 29511-09-9)
- (E)-3-(3,4,5-Trihydroxyphenyl)acrylic acid (CAS 709007-50-1)
- 1-(2,3,4-Trihydroxyphenyl)butan-1-one (CAS 2437-61-8)
- 2-Methyl-1-(2,4,6-trihydroxyphenyl)propan-1-one (CAS 35458-21-0)
Recommended Standards
- 1-(2-Oxopropyl)pyrimidine-2,4(1H,3H)-dione (CAS 29054-73-7)
- 1-(4-Hydroxy-2-methoxypyrimidin-5-yl)ethanone (CAS 55996-06-0)
- 1-(4-Hydroxy-6-methylpyrimidin-2-yl)urea (CAS 77747-40-1)
- 1-(1-Methyl-4-nitro-1H-pyrrol-2-yl)ethanone (CAS 63158-35-0)
- 4-Aminophen-3,5-d2-ol (CAS 1332869-50-7)
- (2,5-Dichloro-3-methoxyphenyl)methanol (CAS 165377-91-3)
- Fmoc-Asn(Trt)-Gly-OH (CAS 1260093-07-9)
- 3-Bromo-5-chloro-6-fluoropyrazolo[1,5-a]pyrimidine (CAS 2681395-31-1)
- 4-Phenylmethoxypyridine-2-carbaldehyde (CAS 63071-14-7)
- tert-butyl (2R,5R)-2,5-dimethylpiperazine-1-carboxylate (CAS 1240586-48-4)
- 5-Propylisoxazole-4-carbonyl chloride (CAS 75705-99-6)
- 2-(Pyridin-3-ylmethyl)guanidine (CAS 72357-67-6)
- 8-Ethoxy-4,4,6-trimethyl-5,6-dihydro-4H-pyrrolo-[3,2,1-ij]quinoline-1,2-dione (CAS 727661-21-4)
- [Glu]17-Semaglutide (CAS CATO-CPTD788604)
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