3,4-Dihydro-2H-1,4-thiazine-3,5-dicarboxylic acid CAS 114669-82-8
| CAS No. | 114669-82-8 |
| Molecular Formula | C6H7NO4S |
| Molecular Weight | 189.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3,4-Dihydro-2H-1,4-thiazine-3,5-dicarboxylic acid (C6H7NO4S) contains an amide group, a sulfone group, 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 189.19 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 3,4-Dihydro-2H-1,4-thiazine-3,5-dicarboxylic acid (CAS 114669-82-8), a certified reference material (molecular formula C6H7NO4S, MW 189.19 g/mol) for analytical method development and quality control.
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.
CATO manufactures 3,4-Dihydro-2H-1,4-thiazine-3,5-dicarboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H7NO4S |
| Molecular Weight | 189.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dihydro Standards
- 3,4-Dihydro-2H-1,4-thiazine-3,5-dicarboxylic acid (CAS 86360-62-5)
- 1-(3,4-dihydro-2H-1,4-benzoxazin-4-yl)prop-2-en-1-one (CAS 1156925-29-9)
- 4,5-Dihydro-2H-spiro[furan-3,3'-indolin]-2'-one (CAS 1160487-70-6)
- (5-METHYL-4,5-DIHYDRO-1H-PYRAZOL-1-YL)(PYRIDIN-3-YL)METHANONE (CAS 121306-58-9)
- 3-(2,5-Dihydro-1h-pyrrol-1-yl)benzoic acid (CAS 1334006-94-8)
- 4-(2,5-dihydro-1H-pyrrol-1-yl)benzoic acid (CAS 1334011-98-1)
- 3-(3,4-Dihydro-2H-pyrano[2,3-b]pyridin-6-yl)prop-2-yn-1-ol (CAS 1346447-31-1)
- 4-Phenyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid (CAS 137569-83-6)
Recommended Standards
- 6-(3-Fluorophenyl)pyridin-2-ol (CAS 1111114-86-3)
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- 4-(3-Fluorophenyl)pyridin-2-ol (CAS 1159817-41-0)
- 8-Chloro-2,3,4,5-tetrahydro-1-benzoxepin-5-amine hydrochloride (CAS 37483-69-5)
- 2,6-Dimethylheptane-3,5-dione (CAS 18362-64-6)
- 2'-(Ethylthio)-7'H-spiro[cyclobutane-1,6'-thieno[3,2-d]pyrimidin]-4'-ol (CAS 1422354-54-8)
- 2-{4-[(2,5-dioxoimidazolidin-4-yl)methyl]-1H-1,2,3-triazol-1-yl}acetamide (CAS 1803570-37-7)
- 5-Bromo-2-fluorobenzene-1,3-diol (CAS 570391-16-1)
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- 2-(2,4-Dichlorophenyl)-4-(difluoromethyl)-2,4-dihydro-5-methyl-3H-1,2,4-triazol-3-one (CAS 111992-16-6)
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