7-Amino-2-(2-furyl)-5-(methylsulfonyl)-[1,2,4]triazolo[1,5-a][1,3,5]triazine CAS 139181-28-5
| CAS No. | 139181-28-5 |
| Molecular Formula | C9H8N6O3S |
| Molecular Weight | 280.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 280.26 g/mol gives 7-Amino-2-(2-furyl)-5-(methylsulfonyl)-[1,2,4]triazolo[1,5-a][1,3,5]triazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 7-Amino-2-(2-furyl)-5-(methylsulfonyl)-[1,2,4]triazolo[1,5-a][1,3,5]triazine (CAS 139181-28-5), a certified reference material (molecular formula C9H8N6O3S, MW 280.26 g/mol) for analytical method development and quality control.
7-Amino-2-(2-furyl)-5-(methylsulfonyl)-[1,2,4]triazolo[1,5-a][1,3,5]triazine (C9H8N6O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
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.
Physical & Chemical Properties
| Molecular Formula | C9H8N6O3S |
| Molecular Weight | 280.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Methyl 8,8-dioxo-8λ6-thia-2,3,5,7-tetraazatricyclo[7.4.0.0,2,6]trideca-1(13),3,5,9,11-pentaene-11-carboxylate (CAS 1354953-21-1)
- 4-Nitrophenyl (thiazol-5-ylmethyl) carbonate (CAS 144163-97-3)
- methyl 8,8-dioxo-8$l^{6}-thia-2,3,5,7-tetraazatricyclo[7.4.0.0^{2,6}]trideca-1(9),3,5,10,12-pentaene-4-carboxylate (CAS 1311315-62-4)
- [1,1'-Biphenyl]-3-ylpentafluoro-l6-sulfane (CAS 1495-61-0)
- 3-Bromo-2-fluoro-4-iodobenzaldehyde (CAS 1326714-57-1)
- Perchloro-a,a,a�,a�-tetraphenylbi-p-tolyl-a,a�-ylene biradical (CAS 33135-34-1)
- 2-(4-Amino-6-(aminomethyl)-2-(difluoromethyl)pyridin-3-yl)acetonitrile (CAS 1805385-71-0)
- 2-Bromo-4-ethoxybenzaldehyde (CAS 861605-18-7)
- 2-(((Benzyloxy)carbonyl)amino)ethyl 4-methylbenzenesulfonate (CAS 93407-96-6)
- 1-O-[(tert-Butyl)dimethylsilyloxy]-9-carboxylate-∆9-tetrahydro Cannabinol (1.0mg/ml in Acetonitrile) (CAS 138285-38-8)
- Fmoc-α-allyl-Gly-OH (CAS 146549-21-5)
- Moclobemide N-Oxide (CAS 64544-24-7)
- 1-(7-Methoxy-1-benzofuran-2-yl)-1-ethanone N-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]hydrazone (CAS 478248-97-4)
- Semaglutide impurity 244(Fmoc-His(Fmoc)-Aib-OH) (CAS CATO-C4X-2226244)
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