4-(4-Methylpiperazin-1-yl)thieno[2,3-d]pyrimidine hydrochloride CAS 37724-47-3
| CAS No. | 37724-47-3 |
| Molecular Formula | C11H14N4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-(4-Methylpiperazin-1-yl)thieno[2,3-d]pyrimidine hydrochloride (CAS 37724-47-3), molecular formula C11H14N4SHCl and molecular weight 270.78 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H14N4SHCl, 4-(4-Methylpiperazin-1-yl)thieno[2,3-d]pyrimidine hydrochloride 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 270.78 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).
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 | C11H14N4S HCl |
| Molecular Weight | 270.78 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.) | 1967 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Methylpiperazin Standards
- 3-(1-Methylpiperazin-4-yl)-4-methylsulfonylaniline (CAS 1000018-41-6)
- 1-(4-Methylpiperazin-1-yl)pentan-1-one (CAS 10001-06-6)
- 1000577-07-0 5-ethyl-1-methylpiperazin-2-one (CAS 1000577-07-0)
- 1-ethyl-5-methylpiperazin-2-one (CAS 1000577-11-6)
- 4-[(4-methylpiperazin-1-yl)carbonyl]benzonitrile (CAS 1000932-49-9)
- 4-[2-(4-methylpiperazin-1-yl)ethoxy]phenol (CAS 100221-01-0)
- (5-(4-Methylpiperazin-1-yl)-2-nitrophenyl)methanol (CAS 1002556-21-9)
- (4-(3-(4-Methylpiperazin-1-yl)propoxy)phenyl)boronic acid (CAS 1003028-43-0)
Recommended Standards
- trans-4-Amino-1-benzyl-3-(hydroxymethyl)piperidine (CAS 1260670-31-2)
- 2-(2,4-difluorophenoxy)acetamide (CAS 399-43-9)
- 7-Bromopyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 1215074-37-5)
- Diethyl 2,2-difluoropentanedioate, 97% (CAS 428-97-7)
- 2-Methyl-1-(phenylmethyl)-1H-benzimidazole-5-carboxylic acid (CAS 292062-25-0)
- (1-(2,4-Dichlorophenyl)cyclopropyl)methanamine hydrochloride (CAS 1552088-18-2)
- Budesonide Impurity 28 (Mixture of Diastereomers) (CAS 2408495-96-3)
- Ethyl 2-hydroxy-3-methylbutanoate (CAS 2441-06-7)
- N-(5-hydroxy-2-methylphenyl)acetamide (CAS 71463-40-6)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
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