5-Amino-6-bromo-3,4-dihydro-2H-1-benzopyran-8-carboxylic acid CAS 941692-27-9
| CAS No. | 941692-27-9 |
| Molecular Formula | C10H10BrNO3 |
| Molecular Weight | 272.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 5-Amino-6-bromo-3,4-dihydro-2H-1-benzopyran-8-carboxylic acid (CAS 941692-27-9), a certified reference material (molecular formula C10H10BrNO3, MW 272.10 g/mol) for analytical method development and quality control.
Structurally, 5-Amino-6-bromo-3,4-dihydro-2H-1-benzopyran-8-carboxylic acid (C10H10BrNO3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 272.10 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 | C10H10BrNO3 |
| Molecular Weight | 272.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Amino Standards
- 2-(5-Amino-3-(5-bromofuran-2-yl)-1h-pyrazol-1-yl)ethan-1-ol (CAS 1152966-67-0)
- Ethyl 3-amino-5-bromo-4-cyano-1-methyl-1H-pyrrole-2-carboxylate (CAS 1243481-64-2)
- 3-Amino-8-bromochroman-3-carboxylic acid (CAS 1255099-30-9)
- n-(2-Amino-2-oxoethyl)-5-bromo-N-methylnicotinamide (CAS 1307510-00-4)
- 5-Amino-1-(2,4-dichlorophenyl)-1H-pyrazole-4-carboxylic acid (CAS 1019009-03-0)
- 3-amino-7-bromo-1-benzothiophene-2-carboxylic acid (CAS 1780193-19-2)
- 3-Amino-6-bromo-1-benzothiophene-2-carboxylic acid (CAS 1781783-46-7)
- 3-Amino-6-bromo-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 314021-00-6)
Recommended Standards
- 5-(3-Bromopropyl)-3-methylisoxazolo[4,5-d]pyridazin-4(5H)-one (CAS 923569-63-5)
- 5-Bromo-6-(cyclopropylmethoxy)nicotinic acid (CAS 912454-38-7)
- 4-Bromo-6,7-dimethoxy-isoindolin-1-one (CAS 954239-46-4)
- 5-Chloro-2-(3-chloro-4-fluorophenoxy)aniline (CAS 946715-14-6)
- Methyl 2-hydroxy-2-(5-methylthiophen-2-yl)acetate (CAS 1233331-11-7)
- 1-(2-Fluorophenyl)-4-oxopyrrolidine-3-carbonitrile (CAS 1312133-27-9)
- Trans-3,4-bis(3,4-dimethoxybenzyl)tetrahydrofuran (CAS 122045-63-0)
- 6,6'-((2-Hydroxy-5-methyl-1,3-phenylene)bis(methylene))bis(2-(tert-butyl)-4-methylphenol) (CAS 90-68-6)
- (1-(Furan-3-yl)-1H-pyrazol-4-yl)boronic acid (CAS 2225169-19-5)
- 1,2,4,5-Tetrachloro-3,6-dimethoxybenzene (CAS 944-78-5)
- 1,4-Difluoro-2-(1-(phenylsulfonyl)cyclohexyl)benzene (CAS 471903-54-5)
- 2-(2-((Methoxycarbonyl)(phenyl)amino)phenyl)acetic acid (CAS 353497-35-5)
- 2-((Tetrahydro-2H-pyran-2-yl)methoxy)benzoic acid (CAS 1021144-50-2)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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