5-Bromo-2-methyl-2-pentanol CAS 21871-76-1
| CAS No. | 21871-76-1 |
| Molecular Formula | C6H13BrO |
| Molecular Weight | 181.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 181.07 g/mol gives 5-Bromo-2-methyl-2-pentanol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Bromo-2-methyl-2-pentanol (CAS 21871-76-1) is a high-purity analytical reference standard with the molecular formula C6H13BrO and a molecular weight of 181.07 g/mol.
Owing to a hydroxyl group, an ether linkage, bromine substitution, 5-Bromo-2-methyl-2-pentanol is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 181.07 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 5-Bromo-2-methyl-2-pentanol 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 | C6H13BrO |
| Molecular Weight | 181.07 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 1-Bromo-3,3-dimethyl-butan-2-ol (CAS 117658-14-7)
- 1-Bromo-4-methoxy-2-methylbutane (CAS 137109-54-7)
- 1-Bromo-5-methoxypentane (CAS 14155-86-3)
- 1-Bromo-3,3-dimethylbutan-2-ol (CAS 1438-13-7)
- 1-Bromo-2-(methoxymethyl)butane (CAS 1464890-52-5)
- 5-bromo-4,6-dideuterio-2-methyl-pyrimidine (CAS 1476076-44-4)
- (4S)-5-bromo-4-methyl-pentan-1-ol (CAS 887706-42-5)
- (R)-5-bromo-4-methylpentan-1-ol (CAS 887706-12-9)
Recommended Standards
- 4-Bromo-1-methoxypentane (CAS 4457-68-5)
- 5-Bromohexan-1-ol (CAS 34198-08-8)
- 3-(Trifluoromethyl)isoxazole-5-carboxylic acid (CAS 251912-75-1)
- 5-Trifluoromethyl-1H-1,2,4-triazole-3-carboxylic Acid (CAS 944897-41-0)
- Ethyl 2-(3-(thiophen-2-ylmethyl)ureido)thiazole-4-carboxylate (CAS 1203214-91-8)
- Ethyl 5-ethoxy-2-methylbenzoate (CAS 2624417-59-8)
- 2-chloro-N-(4-fluoro-3-nitrophenyl)propanamide (CAS 731011-93-1)
- 4,6-Diamino-1-(4-methoxyphenyl)-2-oxo-2,3-dihydro-1h-pyrrolo[2,3-b]pyridine-5-carbonitrile (CAS 124476-83-1)
- Mepivacaine Impurity 4 (CAS 7730-87-2)
- 2-(5-Chlorobenzo[d]oxazol-2-yl)ethan-1-amine hydrochloride (CAS 1158341-14-0)
- 3-Bromo-2-(4,4-difluoropiperidin-1-yl)nitrobenzene (CAS 1707581-00-7)
- 3-(3-(Trifluoromethyl)-1H-pyrazol-5-yl)benzoic acid (CAS 1031417-48-7)
- spiro[2.5]octan-7-ylmethanol (CAS 2002815-12-3)
- Mitogenic Pentapeptide (CAS 87173-03-3)
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