5-Chloroquinazoline-2,4,6-triamine CAS 17511-20-5
| CAS No. | 17511-20-5 |
| Molecular Formula | C8H8ClN5 |
| Molecular Weight | 209.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H8ClN5, 5-Chloroquinazoline-2,4,6-triamine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 209.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5-Chloroquinazoline-2,4,6-triamine (CAS 17511-20-5), molecular formula C8H8ClN5 and molecular weight 209.64 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.
As a certified reference material (CRM), 5-Chloroquinazoline-2,4,6-triamine 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 | C8H8ClN5 |
| Molecular Weight | 209.64 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Chloroquinazoline Standards
- 4-Chloroquinazoline-8-carboxylic acid (CAS 1824465-41-9)
- 2-Chloroquinazoline-4-carboxylic acid (CAS 944902-11-8)
- 4-Chloroquinazoline-2-carboxylic acid (CAS 944902-14-1)
- 5-Chloroquinazoline-2,4(1H,3H)-dione (CAS 78754-81-1)
- 6-chloroquinazoline-2-carboxylic acid (CAS 1204390-45-3)
- 2-chloroquinazoline-7-carboxylic acid (CAS 1429422-30-9)
- 4-Chloroquinazoline-7-carboxylic acid (CAS 942507-89-3)
- 4-chloroquinazoline-5-carbonitrile (CAS 1231761-53-7)
Recommended Standards
- 9-(Azetidin-3-yl)-6-chloro-9H-purine (CAS 1706462-93-2)
- 2-Chloro-n-cyclopropyl-9h-purin-6-amine (CAS 195252-69-8)
- 4-Chloro-N-(1-methyl-1H-pyrazol-5-yl)pyrimidin-2-amine (CAS 1673546-74-1)
- 1-(5-Chloro-1H-benzimidazol-2-yl)guanidine (CAS 70590-32-8)
- Isopropylmagnesium Chloride LiCl Complex (1.3M in THF) (CAS 745038-86-2)
- N,N,2,6-Tetramethylpyrimidin-4-amine (CAS 5177-09-3)
- 2-((4-Methoxyphenyl)sulfonyl)-2-(pyridin-3-yl)ethan-1-amine dihydrochloride (CAS 1094397-16-6)
- (3AR,4R,5R,6aS)-5-hydroxy-4-((E)-3-oxo-5-phenylpent-1-en-1-yl)hexahydro-2H-cyclopenta[b]furan-2-one (CAS 933789-26-5)
- Dehydronandrolon (CAS 2590-41-2)
- N-(2-bromophenyl)-2-(3,4-dichlorophenyl)quinoline-4-carboxamide (CAS 332176-53-1)
- 8-Iodo-2,3-dihydrobenzo[b][1,4]dioxin-5-amine (CAS 2903924-43-4)
- Methyl (2S,4S)-4-(4-nitrophenoxy)-2-pyrrolidinecarboxylate hydrochloride (CAS 1354484-59-5)
- 4,6-Dimethoxy-pyridin-3-ylamine dihydrochloride (CAS 50503-42-9)
- Tirzepatide-d7 Ditrifluoroacetate (CAS CATO-CPTD788698)
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