5-chloro-8-iodo-[1,2,4]triazolo[4,3-c]pyrimidine CAS 2374137-45-6
| CAS No. | 2374137-45-6 |
| Molecular Formula | C5H10ClIN4 |
| Molecular Weight | 288.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-chloro-8-iodo-[1,2,4]triazolo[4,3-c]pyrimidine (CAS 2374137-45-6) is a high-purity analytical reference standard with the molecular formula C5H10ClIN4 and a molecular weight of 288.52 g/mol.
Structurally, 5-chloro-8-iodo-[1,2,4]triazolo[4,3-c]pyrimidine (C5H10ClIN4) contains a nitrile group, chlorine/iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 288.52 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 5-chloro-8-iodo-[1,2,4]triazolo[4,3-c]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 | C5H10ClIN4 |
| Molecular Weight | 288.52 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) | 2.0 |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 4 |
Related chloro Standards
- 5-chloro-3-iodo-1H-pyrazolo[4,3-d]pyrimidine (CAS 1622290-26-9)
- 6-chloro-3-iodo-1H-pyrazolo[3,4-b]pyrazine (CAS 1935196-58-9)
- 6-Chloro-1-iodonaphthalene (CAS 1261868-37-4)
- 4-Chloro-2-iodobenzoic acid (CAS 13421-13-1)
- 1-Chloro-5-iodonaphthalene (CAS 159334-77-7)
- 1-Chloro-2-iodonaphthalene (CAS 701277-07-8)
- 1-Chloro-4-iodonaphthalene (CAS 6334-37-8)
- 1-Chloro-7-iodonaphthalene (CAS 856205-19-1)
Recommended Standards
- 4-Bromo-2-chloro-3-fluorobenzenesulfonamide (CAS 2385590-27-0)
- (6-ethoxy-6-oxohexyl)zinc(II) bromide 312693-01-9 6-Ethoxy-6-oxohexylzinc bromide (CAS 312693-01-9)
- 2-Bromo-4-chloro-5-fluorobenzenesulfonamide (CAS 874801-48-6)
- 5-Bromo-4-chloro-1H-indol-3-yl acetate (CAS 3252-36-6)
- 4,4'-Di(furan-2-yl)-6,6'-dimethyl-2,2'-bipyridine (CAS 144342-48-3)
- (S)-N-Isopropyl-1-methylpyrrolidin-3-amine (CAS 1354017-74-5)
- Methyl (4Z,7Z,10Z)-hexadeca-2,4,7,10-tetraenoate (CAS 873108-81-7)
- 2-Hydroxy-4-methoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1647113-98-1)
- 9-Nitroso-9H-carbazole (CAS 2788-23-0)
- tert-Butyl 3-((1-(pyridin-2-yl)ethyl)amino)piperidine-1-carboxylate (CAS 1289385-48-3)
- Methyl 3-(3-piperidinyloxy)propanoatehydrochloride (CAS 1219979-50-6)
- 2-Chloro-6-fluoro-5-methoxy-1,3-benzothiazole (CAS 1344684-79-2)
- Methyl 4-methyl-1H-imidazole-5-carboxylate (CAS 78892-68-9)
- Semaglutide impurity 200 (CAS CATO-C4X-2226200)
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