7-chloro-5-(methylsulfanyl)-1H-pyrazolo[4,3-d]pyrimidine CAS 2092532-90-4
| CAS No. | 2092532-90-4 |
| Molecular Formula | C6H5ClN4S |
| Molecular Weight | 200.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 7-chloro-5-(methylsulfanyl)-1H-pyrazolo[4,3-d]pyrimidine is closely related to a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
7-chloro-5-(methylsulfanyl)-1H-pyrazolo[4,3-d]pyrimidine (CAS 2092532-90-4) is a high-purity analytical reference standard with the molecular formula C6H5ClN4S and a molecular weight of 200.65 g/mol.
Based on its molecular formula C6H5ClN4S, 7-chloro-5-(methylsulfanyl)-1H-pyrazolo[4,3-d]pyrimidine 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 200.65 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.
As a certified reference material (CRM), 7-chloro-5-(methylsulfanyl)-1H-pyrazolo[4,3-d]pyrimidine 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 | C6H5ClN4S |
| Molecular Weight | 200.65 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.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related chloro Standards
- 3-Chloro-6-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine (CAS 100859-88-9)
- 2-Chloro-5-methoxy-[1,3]thiazolo[5,4-b]pyridine (CAS 1196154-04-7)
- 6-Chloro-2-(methylthio)oxazolo[5,4-b]pyridine (CAS 1206716-60-0)
- 7-Chloro-2-methylthiazolo[5,4-d]pyrimidin-5-amine (CAS 1211584-94-9)
- 2-Chloro-7-methylthieno[3,2-d]pyrimidin-4(1H)-one (CAS 1265593-71-2)
- 4-Chloro-3-(methylthio)-1H-pyrazolo[3,4-d]pyrimidine (CAS 130224-66-7)
- 2-Chloro-6-methylthieno[3,2-d]pyrimidin-4(3H)-one (CAS 1429629-67-3)
- 7-Chloro-5-(methylthio)-1H-pyrazolo[4,3-d]pyrimidine (CAS 1435806-45-3)
Recommended Standards
- 7-Chloro-1H-pyrido[2,3-b][1,4]thiazin-2(3H)-one (CAS 439931-16-5)
- 7-Chloro-5-(methylthio)-[1,2,4]triazolo[1,5-c]pyrimidine (CAS 883738-14-5)
- 7-(Chloromethyl)-5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one (CAS 62773-09-5)
- 3-(3-Chloro-4-methoxyphenyl)propan-1-ol (CAS 1000551-83-6)
- Helipyrone A (CAS 29902-01-0)
- (2e)-N-Benzyl-2-[(2-chlorophenyl)formamido]-3-(4-methoxyphenyl)prop-2-enamide (CAS 1321879-48-4)
- (Des-Asp1)-Angiotensin I (CAS 56317-01-2)
- 1-(1,3-Dimethyl-1H-pyrazol-5-yl)-3-(3-(trifluoromethyl)phenyl)urea (CAS 956742-44-2)
- 2-(Difluoromethyl)-6-hydroxy-4-(trifluoromethoxy)pyridine-3-acetonitrile (CAS 1804839-39-1)
- (2R)-2-(trifluoromethyl)morpholine (CAS 1393524-15-6)
- 2-Bromo-2-((4-chlorophenyl)thio)-1-(2,4-dichlorophenyl)ethan-1-one (CAS 439097-08-2)
- 1-(5-Chloropyridin-2-yl)ethanol (CAS 71777-68-9)
- 2-Chloro-5-ethyl-4-phenyl-1,3-thiazole (CAS 1188122-01-1)
- Semaglutide (CAS 910463-68-2)
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