6,7-Dihydroxy-3,4-dihydroisoquinolin-1(2H)-one CAS 330847-76-2
| CAS No. | 330847-76-2 |
| Molecular Formula | C9H9NO3 |
| Molecular Weight | 179.17 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.
CATO supplies 6,7-Dihydroxy-3,4-dihydroisoquinolin-1(2H)-one (CAS 330847-76-2), a certified reference material (molecular formula C9H9NO3, MW 179.17 g/mol) for analytical method development and quality control.
Structurally, 6,7-Dihydroxy-3,4-dihydroisoquinolin-1(2H)-one (C9H9NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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 179.17 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H9NO3 |
| Molecular Weight | 179.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Dihydroxy Standards
- 7,8-Dihydroxy-3,4-dihydroisoquinolin-1(2H)-one (CAS 1167056-01-0)
- 5,8-Dihydroxy-3,4-dihydroquinolin-2(1H)-one (CAS 59430-56-7)
- 4,5-dihydroxy-2,3-dihydro-1H-isoindole-1,3-dione (CAS 153356-72-0)
- 3,4-Dihydroxy-2-(trifluoromethyl)pyridine (CAS 1184172-17-5)
- 2,3-Dihydroxy-4-(trifluoromethyl)pyridine (CAS 1227502-77-3)
- 2,4-Dihydroxy-3-(trifluoromethyl)pyridine (CAS 1227565-49-2)
- 2,3-Dihydroxy-5-(trifluoromethyl)pyridine (CAS 1227574-71-1)
- 2,3-Dihydroxy-6-(trifluoromethyl)pyridine (CAS 1227579-10-3)
Recommended Standards
- 6,7-Difluoro-4-methylquinoline (CAS 476471-89-3)
- 6-Amino-1,3,4,5-tetrahydroxyhexan-2-one (CAS 676346-39-7)
- 6-(hydroxymethyl)-3-methyl-2,3-dihydro-1,3-benzoxazol-2-one (CAS 207552-67-8)
- 6-Hydroxy-2-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 928256-39-7)
- (1alpha,5alpha,6alpha)-rel-6-(Hydroxymethyl)-3-azabicyclo[3.1.0]hexane (CAS 134575-13-6)
- 4-bromo-N-{[4-(trifluoromethyl)phenyl]methyl}aniline hydrochloride (CAS 1423034-01-8)
- 5-(Difluoromethyl)-2-methyl-1H-1,2,4-triazol-3(2H)-one (CAS 343314-82-9)
- 4,6-Dimethyl-5-nitropyrimidin-2-ol (CAS 1080650-02-7)
- 4-Chloro-5-(dimethylamino)-2-(2-oxopropyl)pyridazin-3(2H)-one (CAS 477855-87-1)
- Spiro[3.4]Octan-2-ylmethanamine (CAS 1496060-20-8)
- 2-((6-Chloro-1H-benzo[d]imidazol-2-yl)thio)acetic acid (CAS 5450-31-7)
- (4-(3-Fluorobenzyl)tetrahydro-2H-pyran-4-yl)methanamine hydrochloride (CAS 1385696-30-9)
- (4-Bromo-2-ethylphenyl)hydrazine hydrochloride (CAS 922511-05-5)
- ([D?]Val?·1?)-C-Peptide (human) (CAS 1802078-41-6)
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