6-Chloro-N,N-dimethyl-2-(methylsulfinyl)pyrimidin-4-amine CAS 1353945-21-7
| CAS No. | 1353945-21-7 |
| Molecular Formula | C7H10ClN3OS |
| Molecular Weight | 219.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
6-Chloro-N,N-dimethyl-2-(methylsulfinyl)pyrimidin-4-amine (CAS 1353945-21-7), molecular formula C7H10ClN3OS and molecular weight 219.69 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-Chloro-N,N-dimethyl-2-(methylsulfinyl)pyrimidin-4-amine (C7H10ClN3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 219.69 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 6-Chloro-N,N-dimethyl-2-(methylsulfinyl)pyrimidin-4-amine 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 | C7H10ClN3OS |
| Molecular Weight | 219.69 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- N-[(4-methylphenyl)methyl]sulfamoyl chloride (CAS 1314925-75-1)
- 2-Amino-N-((2-chlorothiazol-5-yl)methyl)-N-methylacetamide (CAS 1353947-60-0)
- 6-Chloro-N-ethyl-2-(methylsulfinyl)pyrimidin-4-amine (CAS 1289385-39-2)
- (S)-2-Amino-N-((2-chlorothiazol-5-yl)methyl)propanamide (CAS 1353997-25-7)
- 5-Vinylthiazole-4-carboxylic acid (CAS 87764-55-4)
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