3-Bromo-6-(methylthio)pyridazine CAS 1159977-67-9
| CAS No. | 1159977-67-9 |
| Molecular Formula | C5H5BrN2S |
| Molecular Weight | 205.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 205.08 g/mol gives 3-Bromo-6-(methylthio)pyridazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Bromo-6-(methylthio)pyridazine (CAS 1159977-67-9) is a high-purity analytical reference standard with the molecular formula C5H5BrN2S and a molecular weight of 205.08 g/mol.
Structurally, 3-Bromo-6-(methylthio)pyridazine (C5H5BrN2S) contains a nitrile group, sulfur-containing functionality, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 205.08 g/mol, it falls into the medium-molecular-weight range. 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.
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 | C5H5BrN2S |
| Molecular Weight | 205.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 2-Bromo-4-(methylthio)pyrimidine (CAS 1034619-51-6)
- 2-Bromo-5-(methylthio)pyrazine (CAS 1049026-49-4)
- 4-Bromo-6-(methylthio)pyrimidine (CAS 1209458-45-6)
- 5-Bromo-6-methylpyrimidine-4-thiol (CAS 1209997-06-7)
- 2-Bromo-5,6-dihydro-4H-pyrrolo[3,4-d]thiazole (CAS 1394115-64-0)
- 5-Bromo-2-methylthiopyrimidine (CAS 14001-67-3)
- 5-Bromo-4-(methylsulfanyl)pyrimidine (CAS 14001-68-4)
- 5-Bromo-3-cyclopropyl-1,2,4-thiadiazole (CAS 1494127-23-9)
Recommended Standards
- 4-Butyl-2,6-dichloropyrimidine (CAS 115419-76-6)
- 4,6-Dichloro-2-isobutylpyrimidine (CAS 1164116-18-0)
- 1-(2,3-Dichlorophenyl)ethane-1,2-diamine (CAS 1153971-79-9)
- 1-(2,6-Dichlorophenyl)propan-2-ol (CAS 1175301-17-3)
- (2-(O-tolyl)pyridin-4-yl)boronic acid (CAS 2225176-11-2)
- 1-(4-Amino-3-ethylphenyl)pyrrolidin-3-ol (CAS 143525-63-7)
- [1-(2-chlorophenyl)-1H-1,2,3-triazol-5-yl]methanol (CAS 1429254-44-3)
- tert-butyl 6-methylpiperidine-2-carboxylate (CAS 1822545-17-4)
- 7-Bromo-4-nitro-1H-benzo[d][1,2,3]triazole (CAS 1228575-46-9)
- 2-(Trifluoromethyl)oxazolo[4,5-b]pyridine (CAS 894406-63-4)
- 2-Benzyl-1-(2,4-bis(benzyloxy)-5-methoxyphenyl)-3-phenylpropan-1-one (CAS 1346602-80-9)
- 4-Chloro-2-phenylsulfanylbenzoic acid (CAS 13421-07-3)
- Blumenol C (CAS 36151-02-7)
- Semaglutide impurity 38 (CAS CATO-C4X-222638)
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