4-(2-Methoxyethyl)-4h-1,2,4-triazole-3-thiol CAS 76457-78-8
| CAS No. | 76457-78-8 |
| Molecular Formula | C5H9N3OS |
| Molecular Weight | 159.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(2-Methoxyethyl)-4h-1,2,4-triazole-3-thiol (CAS 76457-78-8), molecular formula C5H9N3OS and molecular weight 159.21 g/mol, is a CATO reference standard with documented purity and traceability.
4-(2-Methoxyethyl)-4h-1,2,4-triazole-3-thiol (C5H9N3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; 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.
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 | C5H9N3OS |
| Molecular Weight | 159.21 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methoxyethyl Standards
- 3-(2-Methoxyethyl)-1,2,4-thiadiazol-5-amine (CAS 1191998-54-5)
- 3-(1-Methoxyethyl)-1,2,4-thiadiazol-5-amine (CAS 1532599-27-1)
- 5-(2-Methoxyethyl)-1,3,4-thiadiazol-2-amine (CAS 15884-90-9)
- 5-(1-Methoxyethyl)-1,3,4-thiadiazol-2-amine 79885-43-1 9894AE C5H9N3OS (CAS 79885-43-1)
- (1-(2-Methoxyethyl)pyrrolidin-2-yl)methanol (CAS 1249698-12-1)
- 1-(2-Methoxyethyl)piperidin-3-ol (CAS 1251335-99-5)
- 2-(2-Methoxyethyl)-2-methylmorpholine (CAS 1485656-13-0)
- N-(2-methoxyethyl)-2-methyloxolan-3-amine (CAS 1550254-00-6)
Recommended Standards
- 3-Isopropylthiazolidine-2,4-dione (CAS 39137-26-3)
- 4-Amino-3-methyl-4,5-dihydrothiophene-2-carboxylic acid (CAS 96846-54-7)
- 3-ethynyl-1-methanesulfonylazetidine (CAS 2169316-56-5)
- 4-Isopropyl-2-thioxooxazolidin-5-one (CAS 34653-99-1)
- Quinazoline-7-boronic Acid (CAS 899438-46-1)
- 4-(tert-Butyldimethylsilyloxy)-3-methylaniline (CAS 309712-95-6)
- N-(piperidin-4-yl)pyridin-4-amine hydrochloride (CAS 1176419-79-6)
- (S)-3-amino-1-(tert-butoxycarbonyl)pyrrolidine-3-carboxylic acid (CAS 1931923-61-3)
- 7-Methyl-2-(4-methylphenyl)-1,2,4-benzotriazin-3(2H)-one (CAS 1255147-23-9)
- Glutin-5-en-3α-ol (CAS 14554-13-3)
- 3-Methoxy-5,6,7,8-tetrahydro-naphthalen-2-ylamine 3-methoxy-5,6,7,8-tetrahydronaphthalen-2-amine 6240-83-1 (CAS 6240-83-1)
- 2-Phenyl-1H-imidazole-5-carbaldehyde (CAS 68282-47-3)
- (3aR,4R,5R,6aS)-4-((R,E)-3-((tert-Butyldimethylsilyl)oxy)-4-(3-(trifluoromethyl)phenoxy)but-1-en-1-yl)-2-oxohexahydro-2H-cyclopenta[b]furan-5-yl [1,1'-biphenyl]-4-carboxylate (CAS 865087-08-7)
- Semaglutide Impurity 151 xTFA (CAS CATO-C4X-2226151)
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