1-Thioxo-2,3-dihydro-[1,2,4]triazino[4,5-a]indol-4(1H)-one CAS 65873-44-1
| CAS No. | 65873-44-1 |
| Molecular Formula | C10H7N3OS |
| Molecular Weight | 217.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-Thioxo-2,3-dihydro-[1,2,4]triazino[4,5-a]indol-4(1H)-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-Thioxo-2,3-dihydro-[1,2,4]triazino[4,5-a]indol-4(1H)-one (CAS 65873-44-1), molecular formula C10H7N3OS and molecular weight 217.25 g/mol, is a CATO reference standard with documented purity and traceability.
1-Thioxo-2,3-dihydro-[1,2,4]triazino[4,5-a]indol-4(1H)-one (C10H7N3OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 1-Thioxo-2,3-dihydro-[1,2,4]triazino[4,5-a]indol-4(1H)-one 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 | C10H7N3OS |
| Molecular Weight | 217.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Thioxo Standards
- 6-Thioxo-3,4,5,6-tetrahydro-2H-1,4-ethano-1,5-naphthyridine-7-carbonitrile (CAS 125366-05-4)
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- 1-Ethyl-3-thioxo-2,3,5,6,7,8-hexahydroisoquinoline-4-carbonitrile (CAS 95546-97-7)
Recommended Standards
- {2H,4H-[1,3]thiazolo[4,5-b]quinoxalin-2-ylidene}hydrazine (CAS 882054-80-0)
- 2-([1,2,4]Triazolo[3,4-b][1,3,4]thiadiazol-6-yl)aniline (CAS 936074-87-2)
- 3-Phenylthiazolo[5,4-d]isoxazol-5-amine (CAS 193345-25-4)
- 2-(2H-1,2,3,4-Tetraazol-5-yl-methyl)-1,3-benzothiazole (CAS 852694-88-3)
- 4-(Piperidin-4-yl)-morpholine 4-morpholino piperidine 4-piperidin-4-yl-morpholine 4-(piperidin-4-yl)morpholine 4-piperidin-4-ylmorpholine morpholine, 4-(4-piperidinyl)- 4-Morpholinopiperidine 4-(4-Piperidinyl) morpholine 53617-35-9 (CAS 53617-35-9)
- 2,2,2-Trichloro-1-[1-methyl-4-(2-{[3-(trifluoromethyl)phenoxy]methyl}-1,3-thiazol-4-yl)-1H-pyrrol-2-yl]ethan-1-one hydrobromide (CAS 318239-46-2)
- 6-(5-Amino-3-methyl-1H-pyrazol-1-yl)-1-(3-chlorophenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1172953-98-8)
- tert-Butyl ((1-(4-methylpyrimidin-2-yl)piperidin-4-yl)methyl)carbamate (CAS 1261232-28-3)
- 4-{2-[(3,5-Dimethoxybenzyl)oxy]ethyl}piperidinehydrochloride (CAS 1220032-49-4)
- N-Methyl-2-piperidinemethanol-d5 (CAS 1794971-17-7)
- 10-(Benzylamino)decan-1-ol (CAS 1274892-05-5)
- [(1R,2R)-1,2-Cyclohexanediylbis(methylene)]bis[diphenylphosphine] (CAS 70774-28-6)
- 4H-1,2,4-triazole-3-carboximidamide, acetic acid (CAS 1803591-89-0)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
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