6,7-Dihydro-[1,4]oxathiino[2,3-c]pyridazine-3-carboxylic acid CAS 1427667-74-0
| CAS No. | 1427667-74-0 |
| Molecular Formula | C7H6N2O3S |
| Molecular Weight | 198.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6,7-Dihydro-[1,4]oxathiino[2,3-c]pyridazine-3-carboxylic acid.
CATO supplies 6,7-Dihydro-[1,4]oxathiino[2,3-c]pyridazine-3-carboxylic acid (CAS 1427667-74-0), a certified reference material (molecular formula C7H6N2O3S, MW 198.20 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H6N2O3S, 6,7-Dihydro-[1,4]oxathiino[2,3-c]pyridazine-3-carboxylic acid contains an amide group, 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 198.20 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 6,7-Dihydro-[1,4]oxathiino[2,3-c]pyridazine-3-carboxylic acid 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 | C7H6N2O3S |
| Molecular Weight | 198.20 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dihydro Standards
- 7-Oxo-4,7-dihydro-5H-thieno[2,3-c]pyran-5-carboxylic acid (CAS 1312137-84-0)
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- 9-methyl-2,3-dihydro-1H-pyrrolo[3,4-b]quinolin-1-one (CAS 1012068-73-3)
- 5-Phenyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 142954-77-6)
- 2-(4,5-Dihydro-1H-imidazol-2-yl)quinoxaline (CAS 187753-87-3)
- 1-Methyl-2,9-dihydro-3H-pyrido[3,4-b]indol-3-one (CAS 35296-52-7)
- 2,3-dihydro-1H-indole-7-sulfonamide (CAS 111048-65-8)
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Recommended Standards
- 2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide (CAS 13338-00-6)
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- 5-Mercaptoisophthalic acid (CAS 148065-79-6)
- 4-(6-Fluoropyridin-2-yl)benzonitrile (CAS 1245646-03-0)
- 1-Acetyl-5-bromo-2,3-dihydro-1h-indole-6-sulfonamide (CAS 1272181-71-1)
- 2-(4-Methylpiperazino)-5-trifluoromethylpyridine (CAS 192564-53-7)
- 2-Amino-5-fluoro-1,3-benzoxazole-7-carboxylic acid (CAS 1820684-43-2)
- 3,3-difluoro-5-(iodomethyl)oxolan-2-one (CAS 1256080-97-3)
- 5-Chloro-2-(3-(3-iodobenzoyl)thioureido)benzoic acid (CAS 531539-93-2)
- 4-Amino-N-(1,6-dihydro-4-methyl-6-oxo-2-pyrimidinyl)benzenesulfonamide (CAS 6947-80-4)
- 4-(Diethylamino)-3-nitrobenzoic acid (CAS 413583-48-9)
- Methyl 6-Bromoisoquinoline-1-carboxylate (CAS 1521757-08-3)
- 2-(4-(1H-1,2,4-triazol-1-yl)phenoxy)propanoic acid (CAS 886498-83-5)
- Neuropeptide AF (human) (CAS 192387-38-5)
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