5,6-Dihydro-1,4-dioxine-2-carbonyl chloride CAS 61564-99-6
| CAS No. | 61564-99-6 |
| Molecular Formula | C5H5ClO3 |
| Molecular Weight | 148.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 5,6-Dihydro-1,4-dioxine-2-carbonyl chloride (CAS 61564-99-6), a certified reference material (molecular formula C5H5ClO3, MW 148.54 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H5ClO3, 5,6-Dihydro-1,4-dioxine-2-carbonyl chloride contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 148.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C5H5ClO3 |
| Molecular Weight | 148.54 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
Related Dihydro Standards
- (5,6-Dihydro-1,4-dithiin-2-yl)methanol (CAS 199393-68-5)
- 3,4-Dihydro-5-methyl-1h-2-benzopyran (CAS 103839-06-1)
- (S)-2,3-Dihydro-1H-indene-1,6-diamine (CAS 1213516-69-8)
- (R)-2,3-Dihydro-1H-indene-1,6-diamine (CAS 1213969-83-5)
- 2,3-Dihydro-2-methyl-1H-isoindol-4-amine (CAS 122993-59-3)
- 2-Methyl-3,4-dihydro-2H-1-benzopyran (CAS 13030-26-7)
- 2,3-Dihydro-1h-indene-1,2-diamine (CAS 14563-24-7)
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Recommended Standards
- 4-Chlorodihydro-2H-pyran-2,6(3H)-dione (CAS 27721-79-5)
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- Δ9-Tetrahydrocannabinoic Acid B (CAS 23978-84-9)
- 2-(2,5-Dimethyl-1H-pyrrol-1-yl)-3-(1-methylpyrrolidin-2-yl)pyridine (CAS 1352494-48-4)
- 6,8-Dibromo-2-methyl-4H-benzo[d][1,3]oxazin-4-one (CAS 40889-42-7)
- 5-Amino-4-(4-(4-chlorophenyl)thiazol-2-yl)-1-(4-methoxyphenyl)-1,2-dihydro-3h-pyrrol-3-one (CAS 380387-07-5)
- Methyl 2-(6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-3-yl)acetate (CAS 1365942-09-1)
- 2-Methoxy-4-nitroacridin-9(10H)-one (CAS 89974-79-8)
- 5-Ethyl-5H-[1,2,4]triazino[5,6-b]indole-3-thiol (CAS 36047-55-9)
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- 4-bromo-5-fluoro-2-methyl-pyridine (CAS 1211590-24-7)
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