3,7-Dimethyl-3H-purin-6(7H)-one CAS 19143-59-0
| CAS No. | 19143-59-0 |
| Molecular Formula | C7H8N4O |
| Molecular Weight | 164.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3,7-Dimethyl-3H-purin-6(7H)-one 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.
3,7-Dimethyl-3H-purin-6(7H)-one (CAS 19143-59-0), molecular formula C7H8N4O and molecular weight 164.16 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H8N4O, 3,7-Dimethyl-3H-purin-6(7H)-one contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 164.16 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.
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.
Physical & Chemical Properties
| Molecular Formula | C7H8N4O |
| Molecular Weight | 164.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1962 |
| Nitrogen Atoms | 4 |
Related Dimethyl Standards
- 5,6-Dimethyl-1H-pyrazolo[3,4-b]pyrazin-3-ol (CAS 114794-30-8)
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- 3-(1,3-Dimethyl-1H-pyrazol-5-yl)propiolic acid (CAS 1351382-57-4)
- 2,7-Dimethyl-1H-purin-6(7H)-one (CAS 1713477-43-0)
- 1,3-Dimethyl-1H-pyrazolo[3,4-d]pyridazin-7-ol (CAS 1909337-15-0)
- 1,3-Dimethyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS 51222-27-6)
- 1,3-Dimethyl-1H-pyrazolo[3,4-d]pyridazin-4(5H)-one (CAS 96017-43-5)
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Recommended Standards
- 2,3-Dihydrobenzofuran-2-carboxylic Acid (CAS 1914-60-9)
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- (2S,4S)-8,9-diazatricyclo[4.3.0.0²⁴]nona-1(6),7-diene-7-carboxylic acid (CAS 1932401-47-2)
- (2R,3R,4R,5R)-5-(Hydroxymethyl)-3-methoxytetrahydrofuran-2,4-diol (CAS 18979-03-8)
- 5-Chloro-2-methylnicotinoyl chloride (CAS 1207529-88-1)
- 2-Methyl-2-phenylcyclopentanone (CAS 50390-68-6)
- 4-((Naphthalen-2-ylimino)methyl)benzene-1,3-diol (CAS 83919-59-9)
- (3AS,8aR)-3a-ethoxy-1-methyloctahydrocyclohepta[b]pyrrol-4(2H)-one (CAS 114550-53-7)
- 1-(5-Fluoro-1,3-dimethyl-1H-pyrazol-4-yl)-N-((1-methyl-1H-pyrazol-3-yl)methyl)methanamine hydrochloride (CAS 1855938-31-6)
- (4-Methylphenyl)phenylethanedione 1-(p-Tolyl)-2-phenylethane-1,2-dione 1-Phenyl-2-p-tolylethane-1,2-dione 2431-00-7 4-Methylbenzil p-Methylbenzil (CAS 2431-00-7)
- 3-Amino-N-(1h-pyrazol-4-yl)benzene-1-sulfonamide (CAS 1156174-02-5)
- 1-(2,6,6-Trimethylcyclohex-1-en-1-yl)pent-1-en-3-one (CAS 127-43-5)
- 4-Methylpyrrolidin-3-ol hydrochloride (CAS 1637399-49-5)
- Semaglutide Impurity 145 (CAS CATO-C4X-2226145)
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