5-(4-Chlorophenyl)-N-(3-morpholinopropyl)thieno[2,3-d]pyrimidin-4-amine dioxalate CAS 381687-57-6
| CAS No. | 381687-57-6 |
| Molecular Formula | C19H21ClN4OS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(4-Chlorophenyl)-N-(3-morpholinopropyl)thieno[2,3-d]pyrimidin-4-amine dioxalate.
5-(4-Chlorophenyl)-N-(3-morpholinopropyl)thieno[2,3-d]pyrimidin-4-amine dioxalate (CAS 381687-57-6) is a high-purity analytical reference standard with the molecular formula C19H21ClN4OSC2H2O4 and a molecular weight of 478.95 g/mol.
Based on its molecular formula C19H21ClN4OSC2H2O4, 5-(4-Chlorophenyl)-N-(3-morpholinopropyl)thieno[2,3-d]pyrimidin-4-amine dioxalate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 478.95 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 5-(4-Chlorophenyl)-N-(3-morpholinopropyl)thieno[2,3-d]pyrimidin-4-amine dioxalate 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 | C19H21ClN4OS 2*C2H2O4 |
| Molecular Weight | 478.95 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 2-(2-Chlorophenyl)-2-(pyrrolidin-1-yl)acetamide (CAS 1000340-02-2)
- N-(2-Chlorophenyl)-5-methyl-1-phenyl-1H-1,2,4-triazole-3-carboxamide (CAS 1000572-01-9)
- N-(2-Chlorophenyl)-5-oxo-1-(p-tolyl)-2,5-dihydro-1H-1,2,4-triazole-3-carboxamide (CAS 1000573-94-3)
- Methyl 1-(2-chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylate (CAS 1000576-85-1)
- 1-(4-Chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylic acid phenylamide (CAS 1000577-01-4)
- Benzyl 1-(4-chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylate (CAS 1000577-09-2)
- 1-(2-Chlorophenyl)-5-oxo-N-phenyl-2,5-dihydro-1H-1,2,4-triazole-3-carboxamide (CAS 1000577-29-6)
- 2-(2-Chlorophenyl)-1-phenylethan-1-amine (CAS 1000615-44-0)
Recommended Standards
- 1-(2-Aminoethyl)-1h-1,2,3-triazole-4-carboxylic acid (CAS 1232979-67-7)
- Tert-butyl 8,8-difluoro-2,6-diazaspiro[4.5]Decane-6-carboxylate (CAS 1784931-00-5)
- 2-Chloro-N-(2,6-dimethylphenyl)-N-(furan-2-ylmethyl)acetamide (CAS 53656-13-6)
- Ethyl 3-(pyridin-3-yl)propiolate (CAS 59608-03-6)
- 1-(4-Amino-3,4-dihydroquinolin-1(2h)-yl)butan-1-one (CAS 1338967-48-8)
- methyl 5-methyl-7-oxo-6-oxa-2-azabicyclo[3.2.1]octane-2-carboxylate (CAS 135690-77-6)
- Diethyl 2-(((2,5-dimethylphenyl)amino)methylene)malonate (CAS 103976-09-6)
- Procaterol Impurity 37 (CAS CATO-C4X-181037)
- Methoxyphenamine Impurity 73 (CAS 4302-93-6(free base))
- endo-Arg30-Semaglutide (CAS CATO-C4X-2226281)
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