2-(Bromomethyl)-1-chloro-4-methyl-benzene CAS 91978-94-8
| CAS No. | 91978-94-8 |
| Molecular Formula | C8H8BrCl |
| Molecular Weight | 219.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H8BrCl, 2-(Bromomethyl)-1-chloro-4-methyl-benzene contains chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 219.51 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2-(Bromomethyl)-1-chloro-4-methyl-benzene (CAS 91978-94-8) is a high-purity analytical reference standard with the molecular formula C8H8BrCl and a molecular weight of 219.51 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H8BrCl |
| Molecular Weight | 219.51 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Cl/Br-containing |
Related Bromomethyl Standards
- 4-(Bromomethyl)-1-chloro-2-methylbenzene (CAS 117890-58-1)
- 1-(Bromomethyl)-4-chloro-2-methylbenzene (CAS 122488-73-7)
- 1-(Bromomethyl)-2-chloro-3-methylbenzene (CAS 134271-45-7)
- 1-(Bromomethyl)-2-chloro-4-methylbenzene (CAS 868860-20-2)
- 1-(Bromomethyl)-3-chloro-5-methylbenzene (CAS 62358-81-0)
- 1-(Bromomethyl)-4-(chloromethyl)benzene (CAS 59138-96-4)
- 2-(Bromomethyl)-1-chloro-3-methylbenzene (CAS 259733-13-6)
- 2-(Bromomethyl)-4-chloro-1-methylbenzene (CAS 869721-21-1)
Recommended Standards
- 1-Bromo-4-chloro-2,5-dimethylbenzene (CAS 85072-44-2)
- 2-Bromo-1-chloro-4-ethylbenzene (CAS 289039-24-3)
- 1-Bromo-4-chloro-2,3-dimethylbenzene (CAS 425394-71-4)
- 2-bromo-4-(chloromethyl)-1-methylbenzene (CAS 68120-34-3)
- 3-[(Methylsulfonyl)carbamoyl]phenylboronic Acid Pinacol Ester (CAS 1236298-61-5)
- (2S,5R)-Ethyl 5-vinylpyrrolidine-2-carboxylate (CAS 112009-96-8)
- H-His(1-Me)-OMe (CAS 57519-09-2)
- 3-(2,3-Dichlorobenzoyl)-propionic Acid (CAS 32003-41-1)
- 5-(2-furylmethylene)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione (CAS 27430-18-8)
- 3-Phenyl-1,4,5,6-tetrahydropyrazine-2-carbonitrile (CAS 104184-41-0)
- (Cyclobutylmethyl)(methyl)amine hydrochloride (CAS 1251925-47-9)
- 2-Hydrazinylthiazole Hydrochloride (CAS 30216-52-5)
- 4,7-Dichloro-1H-indole-2-carboxylic acid (CAS 96129-74-7)
- Calcitonin C-Terminal Flanking Peptide (human) XTFA (CAS 85916-47-8（free base）)
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