4-Chloro-5-iodo-2-methylpyrimidine CAS 111079-17-5
| CAS No. | 111079-17-5 |
| Molecular Formula | C5H4ClIN2 |
| Molecular Weight | 254.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4-Chloro-5-iodo-2-methylpyrimidine 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.
CATO supplies 4-Chloro-5-iodo-2-methylpyrimidine (CAS 111079-17-5), a certified reference material (molecular formula C5H4ClIN2, MW 254.46 g/mol) for analytical method development and quality control.
Structurally, 4-Chloro-5-iodo-2-methylpyrimidine (C5H4ClIN2) contains a nitrile group, chlorine/iodine 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 254.46 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.
Physical & Chemical Properties
| Molecular Formula | C5H4ClIN2 |
| Molecular Weight | 254.46 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-6-iodopyridin-3-amine (CAS 1032507-20-2)
- 5-Chloro-2-iodopyridin-3-amine (CAS 1057322-74-3)
- 6-Chloro-5-iodopyridin-2-amine, >97% (CAS 1221398-11-3)
- 5-Chloro-2-iodo-3-methylpyrazine (CAS 1260667-86-4)
- 5-Chloro-2-iodo-4-methylpyrimidine (CAS 1260810-52-3)
- 3-Chloro-5-iodopyridin-4-amine (CAS 1300750-79-1)
- 2-Chloro-4-iodopyridin-3-amine (CAS 153034-93-6)
- 5-Chloro-6-iodopyridin-3-amine (CAS 1628413-79-5)
Recommended Standards
- 2-Amino-6-chloro-4-iodopyridine (CAS 1062608-73-4)
- 2-Amino-5-chloro-4-iodopyridine (CAS 1260667-65-9)
- 2-Chloro-6-iodophenol (CAS 28177-52-8)
- 2-Chloro-4-iodophenol (CAS 116130-33-7)
- (R)-1-(2-(3-((5-Methyl-2-phenyloxazol-4-yl)methoxy)phenyl)acetyl)pyrrolidine-2-carboxylic acid (CAS 799854-58-3)
- 1-(6-Chloro-5-methylpyridin-3-yl)ethanone (CAS 1256791-13-5)
- (S)-2-Amino-N-ethyl-3-methyl-N-(2-methylbenzyl)butanamide (CAS 1306444-67-6)
- 5-Ethyl-2-(trifluoromethyl)phenol (CAS 1243377-11-8)
- N-(2-Methylindolin-2-yl)acetamide (CAS 861360-27-2)
- 3-(1-ethyl-1H-pyrazol-4-yl)-7-oxa-2-azaspiro[3.5]nonan-1-one (CAS 2044714-43-2)
- 3-Ethoxy-2,4-difluorophenylboronic acid (CAS 2096341-72-7)
- 1-(2,2-Difluoroethyl)azetidin-3-amine dihydrochloride (CAS 1630907-11-7)
- 4,6-Dichloro-2-(3-methoxyphenyl)pyrimidine (CAS 83217-28-1)
- Liraglutide Impurity 15 TFA Salt (CAS CATO-C4X-199215)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com