4,5,6-Trichloropyrimidine CAS 1780-27-4
| CAS No. | 1780-27-4 |
| Molecular Formula | C4HCl3N2 |
| Molecular Weight | 183.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4,5,6-Trichloropyrimidine (C4HCl3N2) contains a nitrile group, chlorine substitution. 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 183.42 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.
4,5,6-Trichloropyrimidine (CAS 1780-27-4), molecular formula C4HCl3N2 and molecular weight 183.42 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.
CATO manufactures 4,5,6-Trichloropyrimidine 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 | C4HCl3N2 |
| Molecular Weight | 183.42 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | >95% |
| 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 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Trichloropyrimidine Standards
- 2,4,6-Trichloropyrimidine (CAS 3764-01-0)
- 2,4,5-Trichloropyrimidine (CAS 5750-76-5)
- 2,4,6-Trichloropyrimidine 1-oxide (CAS 913548-86-4)
- 2,4,6-Trichloropyrimidine-5-carboxamide (CAS 1710340-83-2)
- 2,4,6-Trichloropyrimidine-5-carboxylic acid (CAS 93416-51-4)
- Methyl 2,4,6-trichloropyrimidine-5-carboxylate (CAS 87846-94-4)
- Methyl 2,5,6-Trichloropyrimidine-4-carboxylate (CAS 89284-85-5)
- 2,4,6-Trichloropyrimidine-5-carbonyl chloride (CAS 77456-66-7)
Recommended Standards
- 3,4,5-Trichloropyridazine (CAS 14161-11-6)
- 2,3,5-Trichloropyrazine (CAS 873-40-5)
- 1,3,3-Trichloro-1,1-difluoropropane (CAS 460-63-9)
- 3,4,6-Trichloropyridazine (CAS 6082-66-2)
- 3-(1,3-Benzodioxol-5-yl)-3-[(tert-butoxycarbonyl)-amino]propanoic acid (CAS 149520-06-9)
- 6-Methoxy-2-methylbenzofuran-7-ol (CAS 88367-32-2)
- Methyl (1-(methylcarbamoyl)-1H-benzo[d]imidazol-2-yl)carbamate (CAS 28593-34-2)
- (S)-1-(3,5-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propan-2-ol (CAS 2369772-14-3)
- 6-Chloro-2-(methylthio)pyrimidine-4-carboxamide (CAS 6301-33-3)
- N-(2-amino-2-phenylethyl)-N,N-diethylamine (CAS 31788-87-1)
- 2-Amino-5-(methylsulfonyl)thiophene-3-carboxamide (CAS 1934583-88-6)
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- Heptyl (R)-4-(1-amino-2,2,2-trifluoroethyl)benzoate (CAS 1213068-04-2)
- Semaglutide Impurity 151 xTFA (CAS CATO-C4X-2226151)
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