4-bromo-3-methyl-oxadiazol-3-ium-5-olate CAS 34731-92-5
| CAS No. | 34731-92-5 |
| Molecular Formula | C3H6BrN2O2 |
| Molecular Weight | 182.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-bromo-3-methyl-oxadiazol-3-ium-5-olate 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.
CATO supplies 4-bromo-3-methyl-oxadiazol-3-ium-5-olate (CAS 34731-92-5), a certified reference material (molecular formula C3H6BrN2O2, MW 182.00 g/mol) for analytical method development and quality control.
Structurally, 4-bromo-3-methyl-oxadiazol-3-ium-5-olate (C3H6BrN2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.5, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 182.00 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.
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.
Physical & Chemical Properties
| Molecular Formula | C3H6BrN2O2 |
| Molecular Weight | 182.00 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related bromo Standards
- 5-Bromo-2-fluorothiazole (CAS 1207608-60-3)
- 4-Bromo-2-fluorothiazole (CAS 1209459-33-5)
- 2-Bromo-4-fluorothiazole (CAS 41731-36-6)
- 5-Bromo-2-ethynylpyridine (CAS 111770-86-6)
- 4-Bromo-3-ethynylpyridine (CAS 1196146-05-0)
- 4-Bromo-2-ethynylpyridine (CAS 1196155-22-2)
- 2-Bromo-4-ethynylpyridine (CAS 1196156-17-8)
- 3-Bromo-4-ethynylpyridine (CAS 1211542-25-4)
Recommended Standards
- 3-Iodo-2-methylprop-1-ene (CAS 3756-30-7)
- 4-Iodobut-1-ene (CAS 7766-51-0)
- 1-Iodobut-2-ene (CAS 627-24-7)
- B-(2-Fluoro-4-propylphenyl)boronic acid (CAS 442661-38-3)
- 4-{[11-(but-3-enoyloxy)undecyl]oxy}benzoic acid (CAS 141522-67-0)
- Ethyl 7-fluoro-1-benzothiophene-2-carboxylate (CAS 1503529-61-0)
- 2-Bromo-3-iodonaphthalene (CAS 102153-44-6)
- L-5- Methyltetrahydrofolate (CAS 316690-09-2)
- N-(4-(Benzyl(methyl)amino)but-2-yn-1-yl)-2-phenoxypropanamide (CAS 1396880-47-9)
- 2-{[(E)-(3-{[1,1'-biphenyl]-4-yl}-3-oxopropylidene)amino]oxy}-N-(5-iodopyridin-2-yl)acetamide (CAS 339018-05-2)
- N-Boc-3-bromo-L-alanine Methyl Ester (CAS 175844-11-8)
- N1-benzyl-N1-methylbutane-1,3-diamine (CAS 93041-82-8)
- (2-(4-Methoxyphenyl)imidazolidine-1,3-diyl)bis(phenylmethanone) (CAS 112629-61-5)
- 107444-51-9 0JS9125PIZ Glucagon-like peptide 1 (7-36) Glucagon-related peptide 1 (Rana catesbeiana), 3-L-glutamic acid-10-L-valine-16-glycine-17-L-glutamine-23-L-isoleucine-24-L-alanine-27-L-valine-30-L-argininamide-31-de-L-proline-32-de-L-lysine- Glp-I (7-36) Proglucagon (78-107) Human glucagon-like peptide-1-(7-36) amide Human GLP-1-(7-36)-amide Glucagon-like peptide-I(7-36) amide Rat GLP-I(7-36)amide Insulinotropin (human) MKC 253 UNII-0JS9125PIZ (CAS 107444-51-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com