7-(Thiophen-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine CAS 338793-17-2
| CAS No. | 338793-17-2 |
| Molecular Formula | C9H7N5S |
| Molecular Weight | 217.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H7N5S, 7-(Thiophen-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 217.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 7-(Thiophen-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (CAS 338793-17-2), a certified reference material (molecular formula C9H7N5S, MW 217.25 g/mol) for analytical method development and quality control.
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), 7-(Thiophen-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine 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 | C9H7N5S |
| Molecular Weight | 217.25 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Thiophen Standards
- 6-(Thiophen-2-yl)-1H-purin-2-amine (CAS 156489-35-9)
- 6-(Thiophen-3-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine (CAS 320416-40-8)
- 3-(Thiophen-2-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 1630031-24-1)
- 4-[(1E)-{[(thiophen-2-yl)methyl]imino}methyl]phenol (CAS 866155-88-6)
- N-(Thiophen-2-ylmethyl)benzamide (CAS 4595-96-4)
- 3-((Thiophen-3-ylmethyl)amino)thietane 1,1-dioxide (CAS 1862511-55-4)
- benzyl[1-(thiophen-2-yl)ethyl]amine (CAS 1019534-84-9)
- N-(2-(thiophen-3-yl)benzyl)ethanamine (CAS 1495412-69-5)
Recommended Standards
- 7-Amino-4-(methylthio)pyrido[2,3-d]pyrimidine-6-carbonitrile (CAS 7154-40-7)
- 5-(Benzo[d]thiazol-2-yl)-1H-1,2,4-triazol-3-amine (CAS 37547-62-9)
- N-(2-Cyanobenzo[d]thiazol-5-yl)acetamide (CAS 646035-19-0)
- 5-(1H-Indol-3-yl)-1,3,4-oxadiazole-2(3H)-thione (CAS 379725-80-1)
- 1-(2,6-Difluorobenzyl)-5-methyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 106308-50-3)
- (3-((2-Methoxyphenyl)carbamoyl)phenyl)boronic acid (CAS 1704069-21-5)
- 3,5-Difluoro-4-(methylthio)phenylboronic acid (CAS 1451392-38-3)
- Fmoc-Trp(Me)-OH (CAS 1334509-86-2)
- Z-Gly-Pro-OH (CAS 1160-54-9)
- 2,6-Dichloro-4-(trifluoromethyl)phenylazide (CAS 133152-04-2)
- N-(4-Fluorophenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepin-2-yl]acetamide (CAS 1775338-27-6)
- 4'-Ethoxy-[1,1'-biphenyl]-4-carboxylic acid (CAS 729-18-0)
- 4,6-Dichloro-2-cyclobutyl-5-ethylpyrimidine (CAS 1466028-83-0)
- Cycloaspeptide A (CAS 109171-13-3)
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