3,6-Dihydro-2H-1,4-thiazine-3-carboxylic acid CAS 190975-35-0
| CAS No. | 190975-35-0 |
| Molecular Formula | C5H7NO2S |
| Molecular Weight | 145.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3,6-Dihydro-2H-1,4-thiazine-3-carboxylic acid (CAS 190975-35-0), molecular formula C5H7NO2S and molecular weight 145.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H7NO2S, 3,6-Dihydro-2H-1,4-thiazine-3-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. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 3,6-Dihydro-2H-1,4-thiazine-3-carboxylic 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 | 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.) | 2011 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dihydro Standards
- 5,6-Dihydro-4H-1,3-thiazine-2-carboxylic acid (CAS 97190-70-0)
- 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
- (S)-2-methyl-4,5-dihydrothiazole-4-carboxylic acid (CAS 190601-71-9)
- (2-Methoxythiazol-5-yl)methanol (CAS 937676-12-5)
- Methyl 3-isothiocyanatopropionate (CAS 18967-35-6)
- (5-Mercapto-4-methyl-4H-1,2,4-triazol-3-yl)methanol (CAS 65029-36-9)
- Psora 4 (CAS 724709-68-6)
- 3-(1-Amino-2-methylpropan-2-yl)oxan-3-ol (CAS 1522661-31-9)
- 2-Amino-2-(4-(dimethylamino)phenyl)acetic acid (CAS 29884-03-5)
- (4-Chlorophenyl)(4-(2,3-dichlorophenyl)-1H-pyrrol-3-yl)methanone (CAS 477886-30-9)
- 4-Nitroisoquinolin-3-ol (CAS 669769-53-3)
- 1-(3-Ethoxycyclobutyl)ethan-1-amine (CAS 1701526-71-7)
- (6-Fluoro-4H-benzo[d][1,3]dioxin-8-yl)methanol (CAS 306934-89-4)
- 4-(4-Chlorophenyl)-1-(2-methoxyphenyl)-1h-imidazole-2-thiol (CAS 307325-50-4)
- 41446-63-3 3V3074NJ3L 7-Tetradecene, (7E)- 7-Tetradecene, (E)- UNII-3V3074NJ3L (CAS 41446-63-3)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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