2,4,8-Trichloropyrido[3,4-d]pyrimidine CAS 1470249-17-2
| CAS No. | 1470249-17-2 |
| Molecular Formula | C7H2Cl3N3 |
| Molecular Weight | 234.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 234.47 g/mol gives 2,4,8-Trichloropyrido[3,4-d]pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,4,8-Trichloropyrido[3,4-d]pyrimidine (CAS 1470249-17-2) is a high-purity analytical reference standard with the molecular formula C7H2Cl3N3 and a molecular weight of 234.47 g/mol.
Structurally, 2,4,8-Trichloropyrido[3,4-d]pyrimidine (C7H2Cl3N3) contains a nitrile group, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 234.47 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 2,4,8-Trichloropyrido[3,4-d]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H2Cl3N3 |
| Molecular Weight | 234.47 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 1992 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Trichloropyrido Standards
- 2,4,6-Trichloropyrido[3,2-d]pyrimidine (CAS 1036738-12-1)
- 2,5,8-Trichloropyrido[2,3-d]pyridazine (CAS 1268521-24-9)
- 2,3,7-Trichloropyrido[3,4-b]pyrazine (CAS 1429377-78-5)
- 4,5,7-Trichloropyrido[4,3-d]pyrimidine (CAS 1432059-78-3)
- 2,3,5-Trichloropyrido[2,3-d]pyridazine (CAS 1447961-46-7)
- 2,3,5-Trichloropyrido[3,4-b]pyrazine (CAS 1558736-17-6)
- 2,3,8-Trichloropyrido[2,3-b]pyrazine (CAS 2411636-71-8)
- 2,4,6-Trichloropyrido[2,3-d]pyrimidine (CAS 958360-30-0)
Recommended Standards
- (3-Chloro-4-methanesulfonylphenyl)boronic acid (CAS 2239305-86-1)
- (5-Chloro-2-methanesulfonylphenyl)boronic acid (CAS 1313617-73-0)
- 2,4,6-Trichloropyrido[3,4-d]pyrimidine (CAS 2143878-49-1)
- (2-Chloro-4-(methylsulfonyl)phenyl)boronic acid (CAS 1262662-38-3)
- N-cyclobutyl-N-methyl-3,4,5,6-tetrahydropyridin-2-amine (CAS 1520308-77-3)
- Potassium thiosulfate hydrate (CAS 13446-67-8)
- 1-(2,6-Difluoro-4-methoxyphenyl)-N-methylmethanamine (CAS 1340333-55-2)
- 2-(3-Oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)-2,3-dihydro-1H-isoindole-1,3-dione (CAS 866144-76-5)
- 1-Aminopropan-2-one (CAS 298-08-8)
- 5-Bromo-3-fluoro-2-nitrobenzamide (CAS 1805030-52-7)
- 3-Bromo-N5-cyclopropyl-N7-methylbenzofuran-5,7-dicarboxamide (CAS 2306055-12-7)
- 5-(Benzo[d][1,3]dioxol-5-yl)thiophene-2-carbaldehyde (CAS 887987-54-4)
- Sodium 2-(((2S,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)oxy)phenolate (CAS 517892-07-8)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
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