3-(3,4-Dimethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione CAS 5585-67-1
| CAS No. | 5585-67-1 |
| Molecular Formula | C26H35N3O5 |
| Molecular Weight | 469.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-(3,4-Dimethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 5585-67-1), molecular formula C26H35N3O5 and molecular weight 469.57 g/mol, is a CATO reference standard with documented purity and traceability.
3-(3,4-Dimethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (C26H35N3O5) contains a steroid core, an amide 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 | C26H35N3O5 |
| Molecular Weight | 469.57 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
Related Dimethoxyphenyl Standards
- 2'-(3,4-Dimethoxyphenyl)-5-(4-methylpiperazin-1-yl)-1H,1'H-2,5'-bibenzo[d]imidazole (CAS 188860-26-6)
- N-(3,5-dimethoxyphenyl)-2-((3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040632-91-4)
- N-(3,4-dimethoxyphenyl)-2-((3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040682-06-1)
- N-(2,4-dimethoxyphenyl)-2-((3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1111418-36-0)
- 1-(1-(2,5-Dimethoxyphenyl)-2-methyl-5-(4-(methylsulfonyl)phenyl)-1H-pyrrol-3-yl)-2,2,2-trifluoroethan-1-one (CAS 478032-26-7)
- 5-((3-(3,4-Dimethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-isopropyl-2-thioxothiazolidin-4-one (CAS 623935-77-3)
- 4-(3,4-Dimethoxyphenyl)-2-((2-(piperidin-1-yl)ethyl)thio)-6-(p-tolyl)nicotinonitrile (CAS 332910-69-7)
- N-(2,4-Dimethoxyphenyl)-2-((5-((4-methoxybenzyl)thio)-1,3,4-thiadiazol-2-yl)thio)acetamide (CAS 577999-56-5)
Recommended Standards
- (3S,6S,12aS)-1,2,3,4,6,7,12,12a-Octahydro-9-methoxy-6-( 2-methylpropyl)-1,4-dioxopyrazino[1',2':1,6]pyrido[3,4- b]indole-3-propanoic Acid tert-Butyl Ester (CAS 461054-93-3)
- MPP DiHCl (CAS 289726-02-9)
- 4-(4-(2,2-Bis(4-methoxyphenyl)-1-phenylvinyl)phenyl)pyridine (CAS 1564278-28-9)
- N-Boc-N-bis(PEG4-OH) (CAS 2093154-01-7)
- 4-(4-ethoxyphenoxy)aniline hydrochloride (CAS 6889-04-9)
- (S)-N-Butylazetidine-2-carboxamide (CAS 463945-67-7)
- 5-Isopropyl-4-methylthiazol-2-amine (CAS 18193-59-4)
- Furan-2-yl(3-hydroxypyrrolidin-1-yl)methanone (CAS 1343834-09-2)
- Avibactam Impurity 18 (CAS 622-33-3)
- 4-Bromo-N-(o-tolyl)benzenesulfonamide (CAS 7455-02-9)
- Brexpiprazole Impurity 78 DiHCl (CAS 2137823-20-0 (free base))
- 3-Chloro-2-isopropoxypyridine (CAS 282723-22-2)
- (Z)-N'-Hydroxy-5-(trifluoromethyl)nicotinimidamide (CAS 1219800-76-6)
- Semaglutide Impurity 157 (x TFA Salt) (CAS CATO-C4X-2226157)
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