1-(6-Methoxy-7-methyl-6H-[1,2,5]oxadiazolo[3,4-e]indol-8-yl)ethan-1-one CAS 306935-64-8
| CAS No. | 306935-64-8 |
| Molecular Formula | C12H11N3O3 |
| Molecular Weight | 245.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(6-Methoxy-7-methyl-6H-[1,2,5]oxadiazolo[3,4-e]indol-8-yl)ethan-1-one (CAS 306935-64-8) is a high-purity analytical reference standard with the molecular formula C12H11N3O3 and a molecular weight of 245.23 g/mol.
Structurally, 1-(6-Methoxy-7-methyl-6H-[1,2,5]oxadiazolo[3,4-e]indol-8-yl)ethan-1-one (C12H11N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 245.23 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 | C12H11N3O3 |
| Molecular Weight | 245.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Methoxy Standards
- 6-Methoxy-3-nitro-5-phenylpyridin-2-amine (CAS 1017782-07-8)
- 3-Methoxy-4-((5-methyl-1,2,4-oxadiazol-3-yl)methoxy)benzonitrile (CAS 1042644-25-6)
- 3-Methoxy-4-((3-methyl-1,2,4-oxadiazol-5-yl)methoxy)benzonitrile (CAS 1042799-09-6)
- 10-Methoxy-2,3-dihydro-5H-[1,4]dioxepino[6,5-c]quinolin-5-one (CAS 1255779-49-7)
- 9-Methoxy-2,3-dihydro-5H-[1,4]dioxepino[6,5-c]quinolin-5-one (CAS 1255782-26-3)
- 1-Methoxy-3-(4-nitrophenoxy)benzene (CAS 22479-76-1)
- 1-Methoxy-4-(4-nitrophenoxy)benzene (CAS 6337-24-2)
- 4'-Methoxy-5-nitro-[1,1'-biphenyl]-2-ol (CAS 63801-89-8)
Recommended Standards
- 1-(5-(4-Nitrophenyl)furan-2-yl)propan-1-one (CAS 56297-34-8)
- 1-(8-Hydroxy-2-oxo-1,2-dihydroquinolin-5-yl)butane-1,2-dione (CAS 62844-44-4)
- 1-(5-(4-Methyl-2-nitrophenyl)furan-2-yl)ethan-1-one (CAS 886502-73-4)
- 1-(Benzyloxy)-6-oxo-1,6-dihydropyridine-2-carboxylic acid (CAS 210366-15-7)
- (4-Ethoxy-2,5-dimethylphenyl)boronic acid (CAS 1217500-56-5)
- (5-Fluoro-2-methylphenyl)methanamine (CAS 261951-69-3)
- 2-Amino-5-methoxy-thiophenol (CAS 6274-29-9)
- N-(3-Amino-4-chlorophenyl)-3-methylbenzamide (CAS 926222-77-7)
- 4-Amino-2-ethoxypyridine (CAS 89943-12-4)
- 6-Acetyl-4-methoxypicolinic acid (CAS 1393583-42-0)
- α-D-Ribofuranoside, methyl 2-C-methyl-3,5-bis-O-(phenylmethyl)- (CAS 885592-70-1)
- Clindamycin Impurity 73 (CAS 1123211-66-4 (free base))
- 2-[(3-Chlorobenzyl)thio]aniline hydrochloride (CAS 1049756-96-8)
- Eledoisin Related Peptide (CAS 2990-43-4)
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