4-Bromo-3-(bromomethyl)isothiazole CAS 4576-96-9
| CAS No. | 4576-96-9 |
| Molecular Formula | C4H3Br2NS |
| Molecular Weight | 256.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Bromo-3-(bromomethyl)isothiazole is closely related to a nitrile group, sulfur-containing functionality, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Bromo-3-(bromomethyl)isothiazole (CAS 4576-96-9) is a high-purity analytical reference standard with the molecular formula C4H3Br2NS and a molecular weight of 256.95 g/mol.
Owing to a nitrile group, sulfur-containing functionality, bromine substitution, 4-Bromo-3-(bromomethyl)isothiazole is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 256.95 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.
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.
CATO manufactures 4-Bromo-3-(bromomethyl)isothiazole 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.
Physical & Chemical Properties
| Molecular Formula | C4H3Br2NS |
| Molecular Weight | 256.95 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 4-Bromo-2-(bromomethyl)-1,3-thiazole (CAS 1138333-26-2)
- 5-Bromo-2-(bromomethyl)thiazole (CAS 1312537-34-0)
- 2-Bromo-5-bromomethyl-thiazole (CAS 131748-91-9)
- 2-Bromo-4-(bromomethyl)-1,3-thiazole (CAS 180597-85-7)
- 4-Bromo-5-(bromomethyl)thiazole (CAS 1823907-80-7)
- 4-Bromo-5-(bromomethyl)-1,2-thiazole (CAS 2092486-98-9)
- 5-Bromo-3-(bromomethyl)isothiazole (CAS 4576-94-7)
- 5-Bromo-4-(bromomethyl)thiazole (CAS 240433-75-4)
Recommended Standards
- 2,5-Dibromo-4-methylthiazole (CAS 79247-78-2)
- 4,5-Dibromo-3-methylisothiazole (CAS 1732-55-4)
- 8-Trifluoromethoxyquinoline-5-boronic acid (CAS 1072951-46-2)
- [6-(Trifluoromethoxy)quinolin-8-yl]boronic acid (CAS 1089179-11-2)
- Ethylene Glycol Impurity 1 (Ethylene Glycol Monoformate) (CAS 628-35-3)
- 2-Bromo-1-(2-ethylphenyl)ethanone (CAS 593270-22-5)
- N-[(3-chlorophenyl)methyl]-2-cyanoacetamide (CAS 64488-08-0)
- 6-Isobutyl-3-(4-isopropylpiperazine-1-carbonyl)isothiazolo[4,3-d]pyrimidine-5,7(4H,6H)-dione (CAS 1251705-45-9)
- Ethyl 7-bromopyrrolo[2,1-f][1,2,4]triazine-2-carboxylate (CAS 2092092-79-8)
- Ochnaflavone (CAS 50276-96-5)
- Methyl 2-(6,7-dimethoxy-4-oxoquinolin-1(4H)-yl)propanoate (CAS 1279201-20-5)
- (1R,3S)-3-(((BEnzyloxy)Carbonyl)Amino)Cyclohexyl Acetate (CAS 1153681-26-5)
- [3-ethyl-5-(iodomethyl)oxolan-3-yl]methanol (CAS 2031261-16-0)
- Palmitoyl Tripeptide -5 · 2 TFA (CAS 623172-56-5)
Why CATO?
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