2-(Methylthio)-9H-purine-6,8-diol CAS 14443-37-9
| CAS No. | 14443-37-9 |
| Molecular Formula | C6H6N4O2S |
| Molecular Weight | 198.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(Methylthio)-9H-purine-6,8-diol (CAS 14443-37-9), molecular formula C6H6N4O2S and molecular weight 198.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H6N4O2S, 2-(Methylthio)-9H-purine-6,8-diol contains an amide group, a sulfone group, a carboxylic acid 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 198.20 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.
As a certified reference material (CRM), 2-(Methylthio)-9H-purine-6,8-diol 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 | C6H6N4O2S |
| Molecular Weight | 198.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Methylthio Standards
- 3-(Methylthio)-1H-pyrazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione (CAS 1037479-34-7)
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Recommended Standards
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- 2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide (CAS 13338-00-6)
- 5-(4-Fluorophenyl)nicotinonitrile (CAS 154237-18-0)
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- Diethyl 2-methylcyclopropane-1,1-dicarboxylate (CAS 16783-17-8)
- Efinaconazole Metabolite H3-13C2D (CAS CATO-C4X-124349)
- 2,5-Diethyl-6-methylpyrimidin-4(3H)-one (CAS 199114-61-9)
- 3,5-Diisopropylpyridine (CAS 79169-70-3)
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