1-Bromo-4-isocyanobenzene CAS 33554-73-3
| CAS No. | 33554-73-3 |
| Molecular Formula | C7H4BrN |
| Molecular Weight | 182.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-Bromo-4-isocyanobenzene 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.
1-Bromo-4-isocyanobenzene (CAS 33554-73-3), molecular formula C7H4BrN and molecular weight 182.02 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1-Bromo-4-isocyanobenzene (C7H4BrN) is characterized by a nitrile group, bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C7H4BrN |
| Molecular Weight | 182.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 5-Bromo-2-ethynylpyridine (CAS 111770-86-6)
- 4-Bromo-3-ethynylpyridine (CAS 1196146-05-0)
- 4-Bromo-2-ethynylpyridine (CAS 1196155-22-2)
- 2-Bromo-4-ethynylpyridine (CAS 1196156-17-8)
- 3-Bromo-4-ethynylpyridine (CAS 1211542-25-4)
- 2-Bromo-N-methoxy-N-methylacetamide (CAS 134833-83-3)
- 1-Bromo-4-nitrobutane (CAS 16097-02-2)
- 1-Bromo-2-isocyanobenzene (CAS 183209-26-9)
Recommended Standards
- (S)-2-Amino-4-bromobutanoic acid (CAS 92136-58-8)
- 2-Bromo-5-ethynylpyridine (CAS 569672-28-2)
- (R)-2-Amino-4-bromobutanoic acid (CAS 205524-62-5)
- 2-Bromo-6-ethynylpyridine (CAS 445468-63-3)
- 2-Methoxy-N-(3-methylpentan-2-yl)pyridin-3-amine (CAS 1157520-80-3)
- SPLUNC1 (22-39) trifluoroacetate salt (CAS 1421132-47-9)
- 3-{[3-(1,3-dioxo-1,3-dihydro-2h-isoindol-2-yl)propyl]amino}propyl carbamimidothioate dihydrobromide 3678-72-6 AR-1F1323 (CAS 3678-72-6)
- 2-Formyl-3-methylbenzoic acid (CAS 169739-62-2)
- 2-[4-Bromo-3-(3-chloro-5-cyanophenoxy)-2-fluorophenyl]acetic Acid (CAS 1007572-07-7)
- 2-Chloro-4-(trifluoromethyl)phenylboronic Acid (CAS 254993-59-4)
- chlormethineN-oxidehydrochloride (CAS 302-70-5)
- N-[(4-Chlorophenyl)methyl](methylsulfanyl)carbothioamide (CAS 19457-09-1)
- (R)-2-Chloro-1-(3-((cyclopropylmethyl)amino)pyrrolidin-1-yl)ethanone (CAS 1354010-28-8)
- Peptide 435 (CAS CATO-CPTD788435)
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