5-Amino-4-bromobenzothiophene CAS 4965-27-9
| CAS No. | 4965-27-9 |
| Molecular Formula | C8H6BrNS |
| Molecular Weight | 228.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-Amino-4-bromobenzothiophene (CAS 4965-27-9), molecular formula C8H6BrNS and molecular weight 228.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Amino-4-bromobenzothiophene (C8H6BrNS) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 228.11 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 5-Amino-4-bromobenzothiophene 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 | C8H6BrNS |
| Molecular Weight | 228.11 g/mol |
| 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.) | 1958 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 2-Amino-4-bromo-benzo[b]thiophene (CAS 1363382-24-4)
- 4-Amino-6-(difluoromethyl)-5-(trifluoromethyl)pyridin-3-ol (CAS 1803697-67-7)
- 2-Amino-3-(difluoromethyl)-5-(trifluoromethyl)pyridin-4-ol (CAS 1805012-34-3)
- 6-Amino-4-(difluoromethyl)-5-(trifluoromethyl)pyridin-2-ol (CAS 1805012-37-6)
- 4-Amino-6-(difluoromethyl)-5-(trifluoromethyl)pyridin-2-ol (CAS 1805081-30-4)
- 2-Amino-5-(difluoromethyl)-4-(trifluoromethyl)pyridin-3-ol (CAS 1805131-70-7)
- 4-Amino-5-(difluoromethyl)-3-(trifluoromethyl)pyridin-2-ol (CAS 1805131-72-9)
- 2-Amino-5-(difluoromethyl)-3-(trifluoromethyl)pyridin-4-ol (CAS 1805215-81-9)
Recommended Standards
- 5-(Bromomethyl)thieno[2,3-b]pyridine (CAS 2091064-20-7)
- 5-Bromo-2-(methylsulfanyl)benzonitrile (CAS 391200-05-8)
- 4-Bromobenzyl thiocyanate (CAS 2740-89-8)
- 5-Bromo-2-methylbenzothiazole (CAS 63837-11-6)
- 3-(3-Aminopropyl)-1,1-dimethylthiourea (CAS 691346-32-4)
- [3-(Pyridin-2-yl)-1,2,4-oxadiazol-5-yl]methanamine (CAS 936939-88-7)
- tert-Butyl (4-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)vinyl)thiazol-2-yl)carbamate (CAS 2484867-96-9)
- 2-(2,6-Difluoro-3,5-dimethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1614233-69-0)
- (4-Methylphenyl)sulfonyl I-(3,5-dimethyl-4-isoxazolyl)-I-hydroxyhypoiodite (CAS 2776240-77-6)
- 2-((5-Chloro-2-methoxyphenyl)amino)-N-cyclopropylacetamide (CAS 923171-16-8)
- (R)-Fexofenadine (CAS 139965-10-9)
- 3-Bromo-2-(thiazolidin-3-yl)benzonitrile (CAS 1779136-67-2)
- Methyl 6-(2-aminoethyl)-4-hydroxypicolinate (CAS 1393575-23-9)
- Semaglutide Impurity 11 (CAS CATO-C4X-222611)
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