2-Bromo-5-(oxan-4-yl)-1,3,4-thiadiazole CAS 1340436-02-3
| CAS No. | 1340436-02-3 |
| Molecular Formula | C7H9BrN2OS |
| Molecular Weight | 249.13 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.
2-Bromo-5-(oxan-4-yl)-1,3,4-thiadiazole (CAS 1340436-02-3), molecular formula C7H9BrN2OS and molecular weight 249.13 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Bromo-5-(oxan-4-yl)-1,3,4-thiadiazole (C7H9BrN2OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. 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 249.13 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).
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 | C7H9BrN2OS |
| Molecular Weight | 249.13 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bromo Standards
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Recommended Standards
- 2-Amino-3-(3-bromothiophen-2-yl)propanamide (CAS 1485732-03-3)
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- 2-Amino-3-(5-bromothiophen-2-yl)propanamide (CAS 1496412-24-8)
- (R)-3-Amino-3-(4-bromothiophen-2-yl)propanamide (CAS 1307443-46-4)
- N-(4-Chlorophenyl)-2-(3,4-dichlorophenyl)quinoline-4-carboxamide (CAS 332175-87-8)
- Cetrimide (CAS 8044-71-1)
- (S)-Benzyl (pyrrolidin-2-ylmethyl)carbamate hydrochloride (CAS 1033245-45-2)
- 1-(5-Bromopentyl)-4-methoxybenzene (CAS 14469-84-2)
- o-Phenylhomoserine (CAS 52161-80-5)
- Benzyl 4-(hydrazinecarbonyl)piperidine-1-carboxylate (CAS 161609-80-9)
- 4-(4-Ethoxy-3-methoxyphenyl)-N-(2-methoxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxamide (CAS 493017-01-9)
- 2-Chloro-n-(2-methyl-6-nitrophenyl)acetamide (CAS 78180-08-2)
- Pravastatin EP Impurity C (CAS 159345-66-1)
- Peptide Impurity 13 (CAS CATO-CPTD788813)
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