5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-thiol CAS 51646-17-4
| CAS No. | 51646-17-4 |
| Molecular Formula | C7H16N4S |
| Molecular Weight | 188.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 188.29 g/mol gives 5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-thiol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-thiol (CAS 51646-17-4), a certified reference material (molecular formula C7H16N4S, MW 188.29 g/mol) for analytical method development and quality control.
5,7-dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-thiol (C7H16N4S) contains a nitrile group, sulfur-containing functionality. 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.
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 | C7H16N4S |
| Molecular Weight | 188.29 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) | 2.0 |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related dimethyl Standards
- 3,5-Dimethyl-2-phenylthiophene (CAS 57021-49-5)
- 5,7-dimethyl-[1,2,4]triazolo[4,3-a]pyrimidine-3-thiol (CAS 41266-80-2)
- 4,4-Dimethyl-d (CAS 42052-87-9)
- 2-(2,4-Dimethyl-1H-indol-3-yl)ethan-1-amine (CAS 1018592-84-1)
- 1-(1,1-Dimethyl-2,3-dihydro-1H-inden-5-yl)ethanone (CAS 102296-44-6)
- 1079-44-3 2-(2,5-DIMETHYL-1H-INDOL-3-YL)ETHANAMINE HYDROCHLORIDE K-0590 (CAS 1079-44-3)
- N,5-Dimethyl-1H-indole-3-ethanamine (CAS 1189798-86-4)
- 2-(1,6-dimethyl-1H-indol-3-yl)ethan-1-amine (CAS 1334146-07-4)
Recommended Standards
- 5-(thiophen-3-yl)pentanoic acid (CAS 20906-04-1)
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- 5-methyl-4-propylthiophene-2-carboxylic acid (CAS 790263-47-7)
- 5-(2-methylpropyl)thiophene-2-carboxylic acid (CAS 5681-91-4)
- 2-Cyclobutyl-2-methylpropanoic acid (CAS 1603359-47-2)
- 1-(1-(2,3-Dihydrobenzofuran-3-yl)ethyl)-3-(4-ethylthiazol-5-yl)urea (CAS 1428004-35-6)
- (S)-Phenyl(p-tolyl)methanol (CAS 24218-12-0)
- 1-phenyl-1,2,3,4-tetrahydronaphthalene (CAS 3018-20-0)
- 4-(4-Amino-3-methylphenyl)-2-piperazinone (CAS 1154320-00-9)
- (2R)-2-amino-2-(phenanthren-9-yl)ethan-1-ol (CAS 1212946-34-3)
- Methyl 5-phenyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylate (CAS 294194-48-2)
- 3-(3-Aminopropyl) benzoic acid (CAS 91574-51-5)
- [(S)-1-((S)-2-Amino-propionyl)-pyrrolidin-3-yl]-carbamic acid tert-butyl ester (CAS 1401666-51-0)
- [D-Ser8]-Semaglutide A (CAS CATO-C4X-2226116)
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