6-Chloro-2-(methylthio)-3H-purin-8(7H)-one CAS 98138-76-2
| CAS No. | 98138-76-2 |
| Molecular Formula | C6H5ClN4OS |
| Molecular Weight | 216.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6-Chloro-2-(methylthio)-3H-purin-8(7H)-one (CAS 98138-76-2), a certified reference material (molecular formula C6H5ClN4OS, MW 216.65 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H5ClN4OS, 6-Chloro-2-(methylthio)-3H-purin-8(7H)-one contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 216.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 6-Chloro-2-(methylthio)-3H-purin-8(7H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H5ClN4OS |
| Molecular Weight | 216.65 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 4-Chloro-6-(methylthio)-1,2-dihydro-3H-pyrazolo[3,4-d]pyrimidin-3-one (CAS 1211528-07-2)
- Ethyl 2-(4-chloro-3,5-dimethyl-1h-pyrazol-1-yl)acetate (CAS 1001567-64-1)
- Ethyl 2-(4-chloro-1h-pyrazol-1-yl)butanoate (CAS 1005615-91-7)
- 2-(4-Chloro-3,5-dimethyl-1H-pyrazol-1-yl)butanoic acid (CAS 1005631-38-8)
- Methyl 2-(4-chloro-3,5-dimethyl-1h-pyrazol-1-yl)propanoate (CAS 1005694-87-0)
- 4-(4-Chloro-3,5-dimethyl-1h-pyrazol-1-yl)butanoic acid (CAS 1006453-09-3)
- 2-(2-Chloro-3,4-dimethoxyphenyl)ethan-1-ol (CAS 103346-71-0)
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Recommended Standards
- Ethyl 6-chloro-2-fluoro-3-methylbenzoate (CAS 773135-51-6)
- ethyl 5-(chloromethyl)-1,3-dimethyl-1H-pyrazole-4-carboxylate (CAS 100555-55-3)
- Ethyl 2-chloro-6-fluoro-3-methylbenzoate (CAS 773135-50-5)
- Ethyl 2-(3-Chloro-4-fluorophenyl)acetate (CAS 340825-20-9)
- 1-(2-Fluoro-4-nitrophenyl)piperidine-4-carboxamide (CAS 912894-29-2)
- 4-Chloro-2-(methoxycarbonyl)benzoic acid (CAS 1310531-95-3)
- 3-Chloro-N,N-dimethyl-5-nitropicolinamide (CAS 141238-24-6)
- 7-Hydroxy-4-chromone (CAS 59887-89-7)
- 5-Fluoro-6-methoxyisoquinolin-1(2H)-one (CAS 630423-29-9)
- 2-((5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-yl)amino)thiazol-4(5H)-one (CAS 89335-22-8)
- 3-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)prop-2-en-1-ol (CAS 125872-73-3)
- 2-Cyclopropoxy-N-methyl-3-nitrobenzamide (CAS 1243379-64-7)
- (6-(Butylthio)-9H-purin-9-yl)methanol (CAS 14196-95-3)
- Des-Gly34-Tirzepatide (CAS CATO-CPTD788940)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com