1-(4-methylphenyl)propane-1,2-dione CAS 1855-08-9
| CAS No. | 1855-08-9 |
| Molecular Formula | C10H10O2 |
| Molecular Weight | 162.19 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 1-(4-methylphenyl)propane-1,2-dione (CAS 1855-08-9), a certified reference material (molecular formula C10H10O2, MW 162.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H10O2, 1-(4-methylphenyl)propane-1,2-dione 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 162.19 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).
As a certified reference material (CRM), 1-(4-methylphenyl)propane-1,2-dione 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 | C10H10O2 |
| Molecular Weight | 162.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related methylphenyl Standards
- 2-(2-Methylphenyl)propanedial (CAS 1057670-80-0)
- 2-(3-Methylphenyl)malondialdehyde (CAS 849021-24-5)
- 2-(4-Methylphenyl)propanedial (CAS 27956-35-0)
- 4-(3-methylphenyl)butan-2-one (CAS 102611-24-5)
- 2-Methyl-1-(4-methylphenyl)prop-2-en-1-ol (CAS 1226911-82-5)
- 1-(3-Methylphenyl)butan-2-one (CAS 163278-06-6)
- 1-(2-Methylphenyl)but-3-en-1-ol (CAS 24165-62-6)
- 1-(2-Methylphenyl)butan-2-one (CAS 26667-68-5)
Recommended Standards
- 4-azido-N,N-dimethylaniline (CAS 18523-44-9)
- 3-Methoxy-2-methyl-2H-indazole (CAS 185553-71-3)
- 1-(4-(Vinyloxy)phenyl)ethanone (CAS 1849-92-9)
- N-(pyridin-3-yl)cyclopropanecarboxamide (CAS 186253-87-2)
- 6-Chloro-5-methylnicotinoyl chloride (CAS 1427541-88-5)
- 10-cis,12-trans-Linoleic Acid (CAS 2420-44-2)
- 2-(4-Benzyl-2,3-dioxopiperazin-1-yl)acetic acid (CAS 1011416-15-1)
- (6-(Ethyl(methyl)amino)-4-fluoropyridin-3-yl)boronic acid (CAS 2225171-66-2)
- N,N'-Dicyclohexyl-phosphorodiamidic acid (CAS 17390-19-1)
- 2-Fluoro-4-(3-fluoropropoxy)-1,1'-biphenyl (CAS 477846-63-2)
- (3-Cyclopropyl-4-hydroxyphenyl)boronic acid (CAS 1641540-52-4)
- 3-[benzyl(2-methoxyphenyl)sulfamoyl]benzoic acid (CAS 721418-13-9)
- (3s)-3-acetyl-3,12-dihydroxy-10-methoxy-6,11-dioxo-1,2,3,4,6,11-hexahydrotetracen-1-yl 2,3,6-trideoxy-3-(l-leucylamino)-|A-l-lyxo-hexopyranoside hydrochloride(1:1) 27360-07-2 KST-1A3369 (CAS 27360-07-2)
- Semaglutide impurity 331 (CAS CATO-C4X-2226231)
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