,2-dichloro-4-iodo-benzen;Benzene,1,2-dichloro-4-iodo-;3,4-Dichloro-1-iodobenzene 20555-91-3 3,4-Dichloroiodobenzene A20568 CAS 20555-91-3
| CAS No. | 20555-91-3 |
| Molecular Formula | C6H9Cl2I |
| Molecular Weight | 278.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures ,2-dichloro-4-iodo-benzen;Benzene,1,2-dichloro-4-iodo-;3,4-Dichloro-1-iodobenzene 20555-91-3 3,4-Dichloroiodobenzene A20568 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 ,2-dichloro-4-iodo-benzen;Benzene,1,2-dichloro-4-iodo-;3,4-Dichloro-1-iodobenzene 20555-91-3 3,4-Dichloroiodobenzene A20568 (CAS 20555-91-3), a certified reference material (molecular formula C6H9Cl2I, MW 278.95 g/mol) for analytical method development and quality control.
Structurally, ,2-dichloro-4-iodo-benzen;Benzene,1,2-dichloro-4-iodo-;3,4-Dichloro-1-iodobenzene 20555-91-3 3,4-Dichloroiodobenzene A20568 (C6H9Cl2I) contains chlorine/iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 278.95 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H9Cl2I |
| Molecular Weight | 278.95 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl/I-containing |
Related dichloro Standards
- 2,5-Dichloro-3-iodothiophene (CAS 43225-59-8)
- 6,8-Dichloro-2,2-difluoro-2H-[1,3]dioxolo[4,5-h]quinazoline (CAS 1670259-04-7)
- 6,8-Dichloro-2,2-difluoro-[1,3]dioxolo[4,5-g]quinazoline (CAS 2306276-15-1)
- 1,2-Dichloro-1,1,2-trifluoro-2-iodoethane (CAS 354-61-0)
- 1,1-Dichloro-2-iodo-1,2,2-trifluoroethane 661-66-5 7605AE C2Cl2F3I (CAS 661-66-5)
- 2,9-Dichloro-1,10-phenanthroline-5,6-dione (CAS 141622-77-7)
- 1,6-Dichloro-7-methyl-3-(trifluoromethyl)naphthalene (CAS 537033-71-9)
- 1,8-Dichloro-2-methyl-6-(trifluoromethyl)naphthalene (CAS 537033-72-0)
Recommended Standards
- Ambroxol Impurity 31 (CAS 42460-62-8)
- 3032-81-3 Benzene, 1,3-dichloro-5-iodo- 1,3-Dichloro-5-iodobenzene 3,5-Dichloroiodobenzene 3,5-Dichlorophenyl iodide EINECS 221-216-3 NSC 80149 (CAS 3032-81-3)
- Ambroxol impurity 116 (CAS 1373889-89-4)
- 2,6-Dibromo-4-ethylaniline (CAS 10546-63-1)
- 2-Chloro-5-(trifluoromethyl)-4-pyridinemethanol (CAS 1227585-35-4)
- Methyl 4-Oxopiperidine-3-carboxylate HCl (CAS 71486-53-8)
- 2-MEthoxy-N-methyl-5-nitrobenzenesulfonamide (CAS 106840-81-7)
- 2-(5-bromopyridin-3-yl)propan-2-ol (CAS 40472-88-6)
- (5-(2-Chloro-5-fluorophenyl)pyridin-3-yl)methanol (CAS 1346692-30-5)
- 2-(Neopentyloxy)pyridin-3-amine (CAS 1706448-09-0)
- 2-(2-Methyl-1H-imidazol-1-yl)nicotinic acid (CAS 954579-12-5)
- UNC569 (CAS 1350547-65-7)
- 1-(2-aminobutyl)pyrrolidine-2,5-dione (CAS 1247401-16-6)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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