6-Chloro-(3-methylthio)-1H-pyrazolo[3,4-d]pyrimidine CAS 2090296-27-6
| CAS No. | 2090296-27-6 |
| Molecular Formula | C6H13ClN4S |
| Molecular Weight | 208.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
6-Chloro-(3-methylthio)-1H-pyrazolo[3,4-d]pyrimidine (CAS 2090296-27-6), molecular formula C6H13ClN4S and molecular weight 208.71 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H13ClN4S, 6-Chloro-(3-methylthio)-1H-pyrazolo[3,4-d]pyrimidine contains a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 208.71 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.
Physical & Chemical Properties
| Molecular Formula | C6H13ClN4S |
| Molecular Weight | 208.71 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 4-chloro-2-methylsulfanyl-imidazo[2,1-f][1,2,4]triazine (CAS 1623461-10-8)
- 1-[4-chloro-2-(methylsulfanyl)pyrimidin-5-yl]ethan-1-one (CAS 66116-82-3)
- 5-chloro-7-methylsulfanyl-1H-pyrazolo[4,3-d]pyrimidine (CAS 2750883-35-1)
- 6-chloro-N-methyl-1-(trideuteriomethyl)pyrazolo[3,4-d]pyrimidin-4-amine (CAS 2570124-27-3)
- 2-Chloro-5-methylsulfanylbenzoicacid 2-chloro-5-(methylthio)benzoic acid 51546-12-4 A7601 (CAS 51546-12-4)
- 3-Chloro-5-(isobutylthio)-1,2,4-thiadiazole (CAS 36955-41-6)
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Recommended Standards
- 2-(chloromethyl)-5-phenylthiophene (CAS 62404-12-0)
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- 2-Phenylethenesulfonyl chloride 52147-97-4 5587AB C8H7ClO2S (CAS 52147-97-4)
- 4-Chloro-2-methyl-1-(trifluoromethoxy)benzene (CAS 70692-44-3)
- 4,5,6,7-Tetrahydro-1,3-Benzothiazole-2-Thiol (CAS 42937-91-7)
- Senkyunolide N (CAS 140694-58-2)
- 6-Benzyl-2,4,5,6,7,8-hexahydropyrazolo[3,4-d]azepine (CAS 928774-97-4)
- 2-Fluoro-5-(propan-2-yl)benzoic acid (CAS 1341654-82-7)
- Huperzine A Impurity 1 (CAS CATO-C4X-31231)
- 5-Bromo-N-(4-methoxyphenyl)-3-methyl-2-pyridinamine (CAS 1219967-28-8)
- Tetramethyl 5,5-dimethyl-5,6-dihydrospiro[thiopyrano[2,3-c]quinoline-1,2'-[1,3]dithiole]-2,3,4',5'-tetracarboxylate (CAS 258267-22-0)
- (4S)-4-methylpyrrolidin-2-one (CAS 31551-66-3)
- Heptapeptide-6 (CAS CATO-CPTD788823)
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