5-Chloro-2-thienylmagnesium bromide, 0.25M 2-MeTHF CAS 111762-30-2
| CAS No. | 111762-30-2 |
| Molecular Formula | C4H2BrClMgS |
| Molecular Weight | 221.79 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.
CATO supplies 5-Chloro-2-thienylmagnesium bromide, 0.25M 2-MeTHF (CAS 111762-30-2), a certified reference material (molecular formula C4H2BrClMgS, MW 221.79 g/mol) for analytical method development and quality control.
Structurally, 5-Chloro-2-thienylmagnesium bromide, 0.25M 2-MeTHF (C4H2BrClMgS) contains a salt form, sulfur-containing functionality, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 221.79 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 5-Chloro-2-thienylmagnesium bromide, 0.25M 2-MeTHF 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 | C4H2BrClMgS |
| Molecular Weight | 221.79 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 4-(4-Chlorobutyl)-2,2-dimethylthiomorpholine (CAS 1594498-38-0)
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- tert-Butyl (4-bromonaphthalen-1-yl)carbamate (CAS 168169-11-7)
- 5-Amino-1-cyclohexyl-1H-pyrrole-3-carbonitrile (CAS 59661-26-6)
- Tert-butyl (2-bromoethyl)(cyclopropyl)carbamate (CAS 1511776-27-4)
- 5-(2,4-Dimethylphenyl)isoxazole (CAS 918884-79-4)
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- beta-Cypermethrin(Mixture of isomers) (CAS 1224510-29-5)
- Methyl 4,6-dimethoxy-1H-indole-2-carboxylate (CAS 105776-13-4)
- Methyl 2-(4-Chloro-3-nitrophenyl)acetate (CAS 300355-23-1)
- 7-Bromo-5-phenylquinolin-8-ol (CAS 648896-53-1)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
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