1-Bromo-3-cyclopropylbenzene CAS 1798-85-2
| CAS No. | 1798-85-2 |
| Molecular Formula | C9H9Br |
| Molecular Weight | 197.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 197.07 g/mol gives 1-Bromo-3-cyclopropylbenzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Bromo-3-cyclopropylbenzene (CAS 1798-85-2), molecular formula C9H9Br and molecular weight 197.07 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H9Br, 1-Bromo-3-cyclopropylbenzene contains bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 197.07 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-Bromo-3-cyclopropylbenzene meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H9Br |
| Molecular Weight | 197.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 1-Bromo-4-cyclopropylbenzene (CAS 1124-14-7)
- 4-Bromo-2-(methoxy-d3)thiazole (CAS 1185311-79-8)
- 2-Bromo-2,3-dihydro-1H-indene (CAS 17623-96-0)
- 1-Bromo-3-methyl-5-vinylbenzene (CAS 189324-29-6)
- (E)-(3-Bromo-1-propenyl)benzene (CAS 26146-77-0)
- 1-Bromo-2-(prop-1-en-2-yl)benzene (CAS 7073-70-3)
- 1-Bromo-2,3-dihydro-1H-indene (CAS 24373-98-6)
- 1-Bromo-2-cyclopropylbenzene (CAS 57807-28-0)
Recommended Standards
- 2,4-dichloroimidazo[2,1-f][1,2,4]triazine (CAS 1810700-89-0)
- (1R,2R,3r,8S)-1-(bromomethyl)cubane (CAS 135191-72-9)
- 1-Allyl-3-bromobenzene (CAS 18257-89-1)
- 4-Vinylbenzyl Bromide (stabilized with TBC) (CAS 13368-25-7)
- 23081-86-9 1-Butyltetrahydro-4(1H)-pyridinone MFCD00023404 (CAS 23081-86-9)
- 2-Bromo-6-(thiomorpholino)benzonitrile (CAS 1365272-93-0)
- 3-bromo-7-methoxy-1-(oxan-2-yl)-1H-pyrazolo[4,3-d]pyrimidine (CAS 68479-23-2)
- 4-amino-5-methylthieno[2,3-d]pyrimidine-6-carboxylic acid (CAS 958785-70-1)
- [(1-BEnzyl-1h-indol-4-yl)oxy]acetic acid (CAS 2108804-78-8)
- 5-(Chloromethyl)-3-(difluoromethyl)-4,5-dihydroisoxazole (CAS 1627893-90-6)
- Tofacitinib Impurity 147 (CAS CATO-C4X-1079147)
- Encorafenib Impurity 10 (CAS 1269440-78-9)
- Methyl 8-ethyl-1-thia-4,8-diazaspiro[4.5]decane-3-carboxylate (CAS 1437311-93-7)
- Semaglutide Impurity 165 (CAS CATO-C4X-2226165)
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