9-Ethyl-6-(methylthio)-9H-purin-2-amine CAS 13153-64-5
| CAS No. | 13153-64-5 |
| Molecular Formula | C8H11N5S |
| Molecular Weight | 209.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
9-Ethyl-6-(methylthio)-9H-purin-2-amine (CAS 13153-64-5), molecular formula C8H11N5S and molecular weight 209.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H11N5S, 9-Ethyl-6-(methylthio)-9H-purin-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 209.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 9-Ethyl-6-(methylthio)-9H-purin-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 | C8H11N5S |
| Molecular Weight | 209.27 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.) | 1960 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
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Recommended Standards
- (2-Cyclopropyl-6-methylimidazo[2,1-b][1,3,4]thiadiazol-5-yl)methanol (CAS 1266793-06-9)
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- 5,6-Dimethyl-2-(methylthio)-3,5-dihydro-4H-pyrrolo[3,2-d]pyrimidin-4-one (CAS 1255787-96-2)
- 5-(4,5-Dimethyl-4h-1,2,4-triazol-3-yl)-4-methylthiazol-2-amine (CAS 1339037-73-8)
- 4-(3-Fluoro-2-(trifluoromethyl)phenyl)picolinonitrile (CAS 1219454-57-5)
- 5,7-dichloro-2-methyl-3H,4H-pyrrolo[2,1-f][1,2,4]triazin-4-one (CAS 1824632-67-8)
- 2-Chloro-2-(ethylsulfonyl)-1-(3-fluorophenyl)ethanol (CAS 1707570-31-7)
- 5-(4-Fluorophenyl)-2,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 1082134-03-9)
- 4,6-Dichloro-2-(chloromethyl)-5-methylpyrimidine (CAS 3764-00-9)
- 2-((4-((Difluoromethyl)thio)phenyl)amino)-2-oxoethyl 2-(methylthio)nicotinate (CAS 502554-84-9)
- 2-Bromo-4-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)phenol (CAS 2096994-64-6)
- 7-Chloro-5-(trifluoromethyl)-1,3-benzoxazol-2-amine (CAS 1820666-88-3)
- 1-((2-Hydroxyethyl)amino)-2-methylpropan-2-ol (CAS 39216-89-2)
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