4-Hydroxy-3,6-dimethyl-2H-pyran-2-one CAS 5192-62-1
| CAS No. | 5192-62-1 |
| Molecular Formula | C7H8O3 |
| Molecular Weight | 140.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Hydroxy-3,6-dimethyl-2H-pyran-2-one (C7H8O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 140.14 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-Hydroxy-3,6-dimethyl-2H-pyran-2-one (CAS 5192-62-1), molecular formula C7H8O3 and molecular weight 140.14 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C7H8O3 |
| Molecular Weight | 140.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Hydroxy Standards
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- 2-Hydroxy-1-(1-methyl-1H-pyrazol-4-yl)ethan-1-one (CAS 1334486-81-5)
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Recommended Standards
- 4-Hydrazono-5-methoxy-1,4-dihydropyrimidine (CAS 99419-06-4)
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- 4-Hydrazinylbenzene-1,3-diol (CAS 616896-86-7)
- 4-Methoxy-1-methylpyrimidin-2(1H)-one (CAS 7152-66-1)
- (4S,4′S)-4,4′-Dicyclohexyl-4,4′,5,5′-tetrahydro-2,2′-bioxazole (CAS 2368835-34-9)
- Methyl 5-(Benzyloxy)-2-fluorobenzoate (CAS 2586126-63-6)
- 2-(Dimethylamino)hexadecanoic acid (CAS 10499-94-2)
- 4-Chloro-5-methyl-2-(piperazin-1-yl)pyrimidine hydrochloride (CAS 1261234-32-5)
- 2-Hydrazono-1,3-diazepane (CAS 66439-74-5)
- 5-Methyl-2,3-dihydrobenzofuran-7-carboxylic acid (CAS 35700-51-7)
- (2-Phenyloxazol-5-yl)methanamine (CAS 838892-98-1)
- 3-((4-(3-Chlorophenyl)piperazin-1-yl)methyl)-4-phenyldihydrofuran-2(3H)-one (CAS 99518-91-9)
- Manganese(III) Acetate Dihydrate (CAS 19513-05-4)
- Lixisenatide (CAS 320367-13-3)
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