4-Chloro-6,7-dihydro-2-(1-piperidinylmethyl)-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine CAS 731802-63-4
| CAS No. | 731802-63-4 |
| Molecular Formula | C15H18ClN3S |
| Molecular Weight | 307.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 307.84 g/mol gives 4-Chloro-6,7-dihydro-2-(1-piperidinylmethyl)-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Chloro-6,7-dihydro-2-(1-piperidinylmethyl)-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine (CAS 731802-63-4), a certified reference material (molecular formula C15H18ClN3S, MW 307.84 g/mol) for analytical method development and quality control.
Based on its molecular formula C15H18ClN3S, 4-Chloro-6,7-dihydro-2-(1-piperidinylmethyl)-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 307.84 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 4-Chloro-6,7-dihydro-2-(1-piperidinylmethyl)-5H-cyclopenta[4,5]thieno[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.
Physical & Chemical Properties
| Molecular Formula | C15H18ClN3S |
| Molecular Weight | 307.84 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 1-Benzyl-4-[(2-chloro-1,3-thiazol-5-yl)methyl]piperazine (CAS 341967-61-1)
- 4-Chloro-2-(pyrrolidin-1-ylmethyl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine (CAS 885460-25-3)
- 7-Benzyl-4-chloro-2-(methylthio)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine-8,8-d2 (CAS 2641914-94-3)
- 1-((5-Chloro-4-(methylthio)pyridin-3-yl)sulfonyl)piperazine (CAS 1352507-30-2)
- 2-Chloro-N-(1,1-dioxo-1λ6-thiolan-3-yl)-N-(thiophen-2-ylmethyl)acetamide (CAS 852940-43-3)
- 4-[(4-Chloro-2-cyclohexylphenoxy)methyl]piperidine (CAS 946758-88-9)
- 4-Chloro-2-(4-phenylpiperazin-1-yl)thiazole-5-carbaldehyde (CAS 1263215-16-2)
- 5-CHLORO-2-TOSYLISOINDOLINE (CAS 127168-77-8)
Recommended Standards
- 4-(azepane-1-sulfonyl)benzoyl chloride (CAS 890592-48-0)
- N-(2-(tert-butylthio)ethyl)-4-chlorobenzenesulfonamide (CAS 666699-37-2)
- 7-(benzenesulfonyl)-4-chloro-7H-pyrrolo[2,3-d]pyrimidine (CAS 186519-89-1)
- N-{2-[(4-Chlorobenzyl)sulfanyl]-2-methylpropyl}methanesulfonamide (CAS 477864-68-9)
- 1-((Tetrahydro-2h-pyran-4-yl)methyl)-4,5,6,7-tetrahydro-1h-pyrazolo[4,3-c]pyridine (CAS 2251054-30-3)
- 2-Chloro-6-(trifluoromethyl)-5,6,7,8-tetrahydroquinoline-3-carbonitrile (CAS 1496260-94-6)
- 5,6-Dimethyl-10-(4-methylphenyl)-2,9-diazatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6-tetraen-12-one (CAS 338748-15-5)
- 3-aminospiro[3.3]heptan-1-ol (CAS 1936644-16-4)
- tert-Butyl (4-(benzyloxy)-8-methylnaphthalen-2-yl)carbamate (CAS 1662687-76-4)
- (4-(Difluoromethyl)-5-fluoro-3-(trifluoromethyl)pyridin-2-yl)methanol (CAS 1806882-89-2)
- Ethyl 2-(Pyridin-4-Yl)Isonicotinate (CAS 1214381-94-8)
- 6-Methoxy-5-methyl-2-naphthaldehyde (CAS 5665-07-6)
- 6-Methyl-5-(piperazin-1-ylmethyl)pyrimidine-2,4-diol dihydrochloride (CAS 1351620-52-4)
- Liraglutide Impurity 17 TFA Salt (CAS CATO-C4X-199217)
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