6-Chloro-8-methyl-2-(methylthio)-7H-purine CAS 99980-49-1
| CAS No. | 99980-49-1 |
| Molecular Formula | C7H7ClN4S |
| Molecular Weight | 214.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-8-methyl-2-(methylthio)-7H-purine (CAS 99980-49-1), molecular formula C7H7ClN4S and molecular weight 214.68 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H7ClN4S, 6-Chloro-8-methyl-2-(methylthio)-7H-purine contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 214.68 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.
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-8-methyl-2-(methylthio)-7H-purine 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 | C7H7ClN4S |
| Molecular Weight | 214.68 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
- 7-Chloro-5-methyl-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 101251-18-7)
- 6-chloro-1-methyl-4-(methylsulfanyl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 101252-80-6)
- 4-Chloro-3-methyl-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine (CAS 1190399-72-4)
- 6-Chloro-3-methyl-8-(methylthio)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 1609938-51-3)
- 6-Chloro-4-(ethylthio)-1H-pyrazolo[3,4-d]pyrimidine (CAS 5417-80-1)
- 4-Chloro-n1-(3-methoxypropyl)benzene-1,2-diamine (CAS 1152589-09-7)
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Recommended Standards
- 4-Fluorophenylmethanesulfonyl chloride (CAS 103360-04-9)
- 2-Methylthio-6-chloro-9-methylpurine (CAS 40423-35-6)
- 4-(Chloromethyl)-1-isopropoxy-2-methoxybenzene (CAS 1036588-32-5)
- 3-(3,4-Dimethoxyphenyl)-1-chloropropane (CAS 110406-97-8)
- tert-Butyl (1-phenylethyl)carbamate (CAS 33036-40-7)
- Cis-1-methyl-1,2,3,4-tetrahydroisoquinoline-4,6,7-triol (CAS 139254-75-4)
- (2R,3S)-2-((tert-butoxycarbonyl)amino)-3-hydroxy-3-(pyridin-3-yl)propanoic acid (CAS 1134500-75-6)
- 2-[5-(3-Chlorophenyl)-1,2,4-oxadiazol-3-yl]pyridine (CAS 327056-08-6)
- Pitavastatin Impurity 31 (CAS CATO-C4X-103731)
- 5-(Piperazin-1-yl)pyridazin-3-ol (CAS 159430-52-1)
- Amoxicillin Impurity 96 (CAS 2088960-43-2)
- Morpholine Impurity 5 (CAS CATO-C4X-31685)
- 2-Piperidin-4-ylacetohydrazide (CAS 98430-74-1)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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