1-(5-Amino-3-phenyl-3H-[1,2,4]thiadiazol-2-yl)-ethanone CAS 247109-18-8
| CAS No. | 247109-18-8 |
| Molecular Formula | C10H11N3OS |
| Molecular Weight | 221.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-(5-Amino-3-phenyl-3H-[1,2,4]thiadiazol-2-yl)-ethanone 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.
1-(5-Amino-3-phenyl-3H-[1,2,4]thiadiazol-2-yl)-ethanone (CAS 247109-18-8), molecular formula C10H11N3OS and molecular weight 221.28 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(5-Amino-3-phenyl-3H-[1,2,4]thiadiazol-2-yl)-ethanone (C10H11N3OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 221.28 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
Physical & Chemical Properties
| Molecular Formula | C10H11N3OS |
| Molecular Weight | 221.28 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 2-Amino-N-ethylbenzo[d]thiazole-6-carboxamide (CAS 1071360-16-1)
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- 4-Amino-6-(6-methylpyridin-2-yl)-1,6-dihydro-1,3,5-triazine-2-thiol (CAS 1142208-76-1)
- 4-Amino-5-(2-(pyridin-3-yl)ethyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 1170262-99-3)
- 5-Amino-2-phenethyl-1,2,4-thiadiazol-3(2H)-one (CAS 1365960-12-8)
- 9-Amino-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]thieno[2,3-d]pyrimidin-4-one (CAS 1375471-62-7)
- 1-(3-Amino-5-methoxybenzo[b]thiophen-2-yl)ethanone (CAS 1426445-00-2)
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Recommended Standards
- 1-(4,6-Dimethyl-1H-pyrazolo[3,4-b]pyridin-3-yl)thiourea (CAS 866017-67-6)
- 1-(Methylsulfonyl)piperidine-3-carbohydrazide (CAS 832741-28-3)
- 1-(4,5-Dihydrothiazol-2-yl)-1-phenylurea (CAS 324035-28-1)
- 1,3,4,5-Tetrahydrothiopyrano[4,3-b]indole 2,2-dioxide (CAS 96729-81-6)
- 6-Chloro-8-methyl-9H-purin-2-amine (CAS 57346-44-8)
- 1,3-Bis((S)-4-((S)-sec-butyl)-4,5-dihydrooxazol-2-yl)benzene (CAS 131380-86-4)
- [3-(1H-Imidazol-2-yl)propyl]amine dihydrochloride (CAS 41306-56-3)
- 4,5-Diamino-3-(difluoromethyl)pyridine-2-sulfonyl chloride (CAS 1805040-79-2)
- 1-(2,5-Dimethylphenyl)prop-2-en-1-ol (CAS 945030-90-0)
- 2-Isopropylpropane-1,3-diyl bis(4-methylbenzenesulfonate) (CAS 24330-58-3)
- 2-[2-(Hydroxymethyl)phenoxy]-n-phenylacetamide (CAS 693806-51-8)
- 7-Bromo-4-nitro-1H-benzo[d][1,2,3]triazole (CAS 1228575-46-9)
- N-(3,5-dimethylcyclohexyl)-5-(trifluoromethyl)pyridin-2-amine (CAS 1496833-96-5)
- Semaglutide impurity 97 (CAS CATO-C4X-222697)
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