5-chloro-6-methoxy-pyrimidin-4-amine CAS 1696280-39-3
| CAS No. | 1696280-39-3 |
| Molecular Formula | C5H12ClN3O |
| Molecular Weight | 165.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 165.62 g/mol gives 5-chloro-6-methoxy-pyrimidin-4-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-chloro-6-methoxy-pyrimidin-4-amine (CAS 1696280-39-3) is a high-purity analytical reference standard with the molecular formula C5H12ClN3O and a molecular weight of 165.62 g/mol.
Owing to an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 5-chloro-6-methoxy-pyrimidin-4-amine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 165.62 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 5-chloro-6-methoxy-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 | C5H12ClN3O |
| Molecular Weight | 165.62 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 2-(2-Chloro-4-methylphenyl)acetonitrile (CAS 1000554-63-1)
- 4-Chloro-3,5-dimethylbenzonitrile (CAS 1097629-24-7)
- 5-Chloro-1-methyl-1H-indole (CAS 112398-75-1)
- 2-chloro-5-methoxy-pyridin-4-ol (CAS 1196145-74-0)
- 2-Chloro-N-(3-hydroxypropyl)propanamide (CAS 1211481-04-7)
- 2-Chloro-4,5-dimethylbenzonitrile (CAS 1242339-03-2)
- 3-Chloro-1-methyl-1H-indole (CAS 124589-41-9)
- 5-Chloro-2-methoxypyridin-3-ol (CAS 1261365-86-9)
Recommended Standards
- 2-(4-chloro-2-methylphenyl)acetonitrile (CAS 16470-10-3)
- 2-Chloro-n-(3-methoxypropyl)acetamide (CAS 1709-03-1)
- 5-Chloro-6-methyl-1H-indole (CAS 162100-56-3)
- 4-Chloro-2-ethylbenzonitrile (CAS 17746-60-0)
- 3-(Benzylthio)-1H-1,2,4-triazole (CAS 21239-87-2)
- (2R,5R)-1-Benzyl-2,5-dimethylpiperazine dihydrochloride (CAS 324750-43-8)
- (2S,4S)-4-(Diphenylphosphanyl)-2-((diphenylphosphanyl)methyl)pyrrolidine (CAS 61478-29-3)
- N-Nitroso Bisoprolol-d5 (CAS CATO-C4X-1247119)
- (R)-9-(2,3-Dihydroxy-3-methylbutoxy)-7H-furo[3,2-g]chromen-7-one (CAS 31575-93-6)
- (2E)-N-(3-Fluoro-4-methylphenyl)-3-(4-propoxyphenyl)prop-2-enamide (CAS 882073-09-8)
- 1-(Furan-3-ylmethyl)-3-(2-methoxyphenyl)-1-(thiophen-2-ylmethyl)urea (CAS 1421527-92-5)
- 4-Bromo-2-ethoxypyridine (CAS 57883-26-8)
- 2-Propenoic acid, 2-ethylhexyl ester, polymer with (1,1-dimethylethyl)ethenylbenzene and ethenylbenzene (CAS 64885-17-2)
- D-γ-Glu20-Side-Tirzepatide (CAS CATO-CPTD788929)
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