5,6-Dihydro-4H-1,3-thiazine-2-carboxylic acid CAS 97190-70-0
| CAS No. | 97190-70-0 |
| Molecular Formula | C5H7NO2S |
| Molecular Weight | 145.18 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-4H-1,3-thiazine-2-carboxylic acid (CAS 97190-70-0), a certified reference material (molecular formula C5H7NO2S, MW 145.18 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H7NO2S, 5,6-Dihydro-4H-1,3-thiazine-2-carboxylic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 145.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H7NO2S |
| Molecular Weight | 145.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dihydro Standards
- 3,6-Dihydro-2H-1,4-thiazine-3-carboxylic acid (CAS 190975-35-0)
- 1-Phenyl-2,5-dihydro-1H-pyrrole (CAS 103204-12-2)
- 1-Phenyl-2,3-dihydro-1H-pyrrole (CAS 149206-56-4)
- 2,3-Dihydro-1H-benzo[b]azepine (CAS 3749-12-0)
- 3-Phenyl-2,5-dihydro-1H-pyrrole (CAS 52906-59-9)
- 4,5-Dihydro-3H-benzo[c]azepine (CAS 23758-95-4)
- 5-Phenyl-3,4-dihydro-2H-pyrrole (CAS 700-91-4)
- 2,3-Dihydro-1H-pyrrolo[3,2-b]pyridine-6-carbonitrile (CAS 1194683-74-3)
Recommended Standards
- 5,5-Dimethylthiazolidine-2,4-dione (CAS 3324-15-0)
- 5-[(Methylthio)methyl]-1,3,4-oxadiazol-2-amine (CAS 502133-69-9)
- 5,5-Dimethyl-2-thioxooxazolidin-4-one (CAS 6453-39-0)
- 5-Amino-3-ethyl-1,3,4-thiadiazol-2(3H)-one (CAS 211388-15-7)
- Ethyl 3-bromo-5-chloro-4-fluoro-1-(phenylsulfonyl)-1H-indole-2-carboxylate (CAS 1018450-46-8)
- Methyl 3,5-dichloro-6-hydroxypicolinate (CAS 2368871-72-9)
- N-Isopropylhydroxylamine (CAS 5080-22-8)
- 5-Iodo-1-(3-methylbutyl)-1H-pyrazole (CAS 1823431-68-0)
- 1-(3-Fluorophenyl)pentane-1,3-dione (CAS 1040075-44-2)
- 5-Isopropoxypicolinonitrile (CAS 1409950-22-6)
- Pseudoginsenoside F11 (CAS 69884-00-0)
- 4-((4-Pentylphenyl)ethynyl)benzonitrile (CAS 56982-41-3)
- 2-Chloro-5-(chloromethyl)-4-methylpyridine (CAS 1211532-12-5)
- Cycloaspeptide D (CAS 691363-62-9)
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