(2,3-Dihydrothieno[3,4-b][1,4]dioxin-5-yl)methanol CAS 859851-01-7
| CAS No. | 859851-01-7 |
| Molecular Formula | C7H8O3S |
| Molecular Weight | 172.20 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.
(2,3-Dihydrothieno[3,4-b][1,4]dioxin-5-yl)methanol (CAS 859851-01-7), molecular formula C7H8O3S and molecular weight 172.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H8O3S, (2,3-Dihydrothieno[3,4-b][1,4]dioxin-5-yl)methanol contains a sulfone group, 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 172.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (2,3-Dihydrothieno[3,4-b][1,4]dioxin-5-yl)methanol 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 | C7H8O3S |
| Molecular Weight | 172.20 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.) | 1987 |
| Sulfur Atoms | 1 |
Related Dihydrothieno Standards
- (2,3-Dihydrothieno[3,4-b][1,4]dioxin-2-yl)methanamine (CAS 1003863-36-2)
- 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde (CAS 204905-77-1)
- 6,7-Dihydrothieno[3,2-d]pyrimidine-2,4-diol (CAS 913581-92-7)
- 5-Methyl-5,7-dihydrothieno[3,4-d]pyrimidin-4(3H)-one (CAS 1001123-68-7)
- 7-Oxo-6,7-dihydrothieno[2,3-c]pyridine-4-carbonitrile, 97% (CAS 912369-27-8)
- 2,3-Dihydrothieno[3,4-d]pyridazine-1,4-dione (CAS 412338-39-7)
- 5,6-Dihydrothieno[2,3-d]pyridazine-4,7-dione (CAS 91533-21-0)
- 4-Oxo-3,4-dihydrothieno[2,3-d]pyrimidine-5-carbonitrile (CAS 1801143-20-3)
Recommended Standards
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- (R)-2-(1-aminoethyl)thiazole-5-carboxylic acid (CAS 2272625-08-6)
- 4-Bromo-6-chloro-1H,2H,3H-pyrrolo[2,3-b]pyridin-2-one (CAS 1190322-92-9)
- Silicon tetrachloride solution (CAS 10026-04-7)
- Ethyl 2-[(6-bromopyridin-2-yl)sulfanyl]acetate (CAS 1343754-88-0)
- Methyl 7-amino-4,5-dihydro-1H-benzo[d]azepine-3(2H)-carboxylate (CAS 444588-24-3)
- Di-n-pentyldichlorotin (CAS 1118-42-9)
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