2-(Piperazin-1-ylmethyl)thieno[3,2-d]pyrimidin-4(3H)-one dihydrochloride CAS 2032665-26-0
| CAS No. | 2032665-26-0 |
| Molecular Formula | C11H14N4OS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(Piperazin-1-ylmethyl)thieno[3,2-d]pyrimidin-4(3H)-one dihydrochloride (C11H14N4OSHCl) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2-(Piperazin-1-ylmethyl)thieno[3,2-d]pyrimidin-4(3H)-one dihydrochloride (CAS 2032665-26-0), molecular formula C11H14N4OSHCl and molecular weight 286.78 g/mol, is a CATO reference standard with documented purity and traceability.
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.
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.
Physical & Chemical Properties
| Molecular Formula | C11H14N4OS 2*HCl |
| Molecular Weight | 286.78 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.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Piperazin Standards
- 2-(3-(Piperazin-1-yl)propyl)isoindoline-1,3-dione (CAS 1000547-80-7)
- (4-Methyl-piperazin-1-yl)-(S)-pyrrolidin-2-yl-methanone (CAS 100158-68-7)
- (6-(Piperazin-1-yl)pyridin-3-yl)boronic acid (CAS 1003043-67-1)
- (2-(Piperazin-1-yl)pyridin-4-yl)boronic acid (CAS 1003043-70-6)
- N-(4-(Piperazin-1-ylsulfonyl)phenyl)acetamide (CAS 100318-71-6)
- Piperazin-1-yl(m-tolyl)methanone hydrochloride (CAS 100940-01-0)
- 2-(Piperazin-1-yl)phenol (CAS 1011-17-2)
- 2-phenyl-1-(piperazin-1-yl)butan-1-one (CAS 1016503-45-9)
Recommended Standards
- (3,4-Dimethylphenyl)(2-(thiomorpholinomethyl)phenyl)methanone (CAS 898781-90-3)
- Methyl 2-Chloro-4-(1-pyrrolidinyl)benzoate (CAS 175153-38-5)
- 6-Amino-3-methyl-1,4-diphenyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile (CAS 53316-57-7)
- Mexiletine Impurity 1 (CAS 29238-40-2)
- 1-(3-Chloro-4-methylphenyl)-2,2-difluoroethan-1-one (CAS 1352222-18-4)
- (11bR)-2,6-Bis[4-(1,1-dimethylethyl)phenyl]-4-hydroxy-4-oxide-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin (CAS 861909-30-0)
- 1,4-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol and 1,2-ethanediol (CAS 26780-49-4)
- (3R,4S)-1-Benzyl-4-methylpyrrolidin-3-ol (CAS 137172-64-6)
- 3-Acetyl-2,5-dimethylthiophene (CAS 2530-10-1)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
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