7-chloro-2-(methylsulfanyl)pyrido[2,3-d]pyrimidine CAS 352328-41-7
| CAS No. | 352328-41-7 |
| Molecular Formula | C8H16ClN3S |
| Molecular Weight | 221.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 7-chloro-2-(methylsulfanyl)pyrido[2,3-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.
7-chloro-2-(methylsulfanyl)pyrido[2,3-d]pyrimidine (CAS 352328-41-7) is a high-purity analytical reference standard with the molecular formula C8H16ClN3S and a molecular weight of 221.75 g/mol.
Owing to a nitrile group, sulfur-containing functionality, chlorine substitution, 7-chloro-2-(methylsulfanyl)pyrido[2,3-d]pyrimidine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 221.75 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C8H16ClN3S |
| Molecular Weight | 221.75 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-amino-5-(4-chlorophenyl)-1,3,4-thiadiazole 28004-62-8 5-(4-Chlorophenyl)-1,3,4-thiadiazole-2-amine 5-(4-chloro-phenyl)-[1,3,4]thiadiazol-2-ylamine 5-(4-chlorophenyl)-1,3,4-thiadiazol-2-amine 5-(4-chlorophenyl)-1,3,4-thiadiazol-2-ylamine 5-(4-chlorophenyl)-[1,3,4]thiadiazol-2-ylamine (CAS 28004-62-8)
- 5-Chloro-2-thienylmagnesium bromide, 0.25M 2-MeTHF (CAS 111762-30-2)
- 4-(4-Chlorobutyl)-2,2-dimethylthiomorpholine (CAS 1594498-38-0)
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- (1S)-1-(5-bromo-3-fluoro(2-pyridyl))ethylamine (CAS 1213427-75-8)
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