4-Ethoxy-3-(isopropylthio)-1H-1,2,4-triazol-5(4H)-one CAS 177175-52-9
| CAS No. | 177175-52-9 |
| Molecular Formula | C7H13N3O2S |
| Molecular Weight | 203.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Ethoxy-3-(isopropylthio)-1H-1,2,4-triazol-5(4H)-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.
4-Ethoxy-3-(isopropylthio)-1H-1,2,4-triazol-5(4H)-one (CAS 177175-52-9), molecular formula C7H13N3O2S and molecular weight 203.26 g/mol, is a CATO reference standard with documented purity and traceability.
4-Ethoxy-3-(isopropylthio)-1H-1,2,4-triazol-5(4H)-one (C7H13N3O2S) contains an amide group, a sulfone group, a carboxylic acid 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.
Physical & Chemical Properties
| Molecular Formula | C7H13N3O2S |
| Molecular Weight | 203.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2007 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Ethoxy Standards
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Recommended Standards
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- 3-(Isopropylsulfonyl)-1-methyl-1H-pyrazol-4-amine (CAS 1800562-08-6)
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- 2-Amino-6-hydrazino-4-oxopyrimidine (CAS 6298-85-7)
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- 3-Ethyl-2-(ethylthio)-6-hydroxypyrimidin-4(3H)-one (CAS 415714-24-8)
- 4,4',4''-((1S,3S,5S)-Adamantane-1,3,5-triyl)trianiline (CAS 1298062-84-6)
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- 1-cyclopentylbutan-1-amine (CAS 1179866-56-8)
- (10-31)Semaglutide (CAS CATO-C4X-2226283)
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