1,3-Dimethyl-5-(methylthio)-1H-pyrazolo[4,3-e][1,2,4]triazine CAS 682319-80-8
| CAS No. | 682319-80-8 |
| Molecular Formula | C7H9N5S |
| Molecular Weight | 195.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,3-Dimethyl-5-(methylthio)-1H-pyrazolo[4,3-e][1,2,4]triazine (CAS 682319-80-8), a certified reference material (molecular formula C7H9N5S, MW 195.24 g/mol) for analytical method development and quality control.
Owing to a nitrile group, sulfur-containing functionality, an aromatic ring system, 1,3-Dimethyl-5-(methylthio)-1H-pyrazolo[4,3-e][1,2,4]triazine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 195.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1,3-Dimethyl-5-(methylthio)-1H-pyrazolo[4,3-e][1,2,4]triazine 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.
Physical & Chemical Properties
| Molecular Formula | C7H9N5S |
| Molecular Weight | 195.24 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
- 5-(1,3-Dimethyl-1H-pyrazol-4-yl)-1,3,4-thiadiazol-2-amine (CAS 1005563-40-5)
- 5-(1,3-Dimethyl-1H-pyrazol-5-yl)-1,3,4-thiadiazol-2-amine (CAS 1005607-34-0)
- 1,3-Dimethyl-1h-thieno[2,3-c]pyrazole-5-carboxamide (CAS 1098360-43-0)
- 5-(1,5-Dimethyl-1H-pyrazol-3-yl)-1,3,4-thiadiazol-2-amine (CAS 1215999-38-4)
- 4-(4,5-Dimethyl-4h-1,2,4-triazol-3-yl)thiazol-2-amine (CAS 1342124-77-9)
- Methyl 2,2-dimethyl-3-sulfamoylpropanoate (CAS 1519652-84-6)
- 4,5-Dimethyl-2-(thiophen-2-yl)oxazole 3-oxide (CAS 37151-22-7)
- Dimethyl-1,3-thiazole-5-sulfonyl fluoride (CAS 882670-24-8)
Recommended Standards
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- 1-Methyl-2-(methylthio)-1H-pyrrolo[2,3-d]pyrimidin-4(7H)-one (CAS 29877-81-4)
- 5,7-Dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride (CAS 76992-75-1)
- 1-Methylpyridine-4(1H)-thione (CAS 6887-59-8)
- 3-(3-Pyridyl)-3-oxetanol (CAS 1401967-56-3)
- (S)-3-(2-Chloroacetyl)-4-isopropyloxazolidin-2-one (CAS 93617-85-7)
- N-((1H-imidazol-5-yl)methyl)-3-chloroaniline (CAS 87471-78-1)
- 3-Bromo-2,5-bis(methoxymethoxy)benzaldehyde (CAS 787615-65-0)
- 4-Phenyl-2,4,5,6-tetrahydropyrrolo[2,3-c]pyrazol-3-ol (CAS 1707375-87-8)
- 1-(2-Bromoethyl)-4-chloro-3-nitro-1h-pyrazole (CAS 1340390-69-3)
- 2-(3-Methylbenzyl)-1,3,4-oxadiazole (CAS 1026573-04-5)
- Cycloaspeptide D (CAS 691363-62-9)
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