6,9-Dihydroxybenzo[g]isoquinoline-5,10-dione CAS 4589-37-1
| CAS No. | 4589-37-1 |
| Molecular Formula | C13H7NO4 |
| Molecular Weight | 241.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 241.20 g/mol gives 6,9-Dihydroxybenzo[g]isoquinoline-5,10-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6,9-Dihydroxybenzo[g]isoquinoline-5,10-dione (CAS 4589-37-1), molecular formula C13H7NO4 and molecular weight 241.20 g/mol, is a CATO reference standard with documented purity and traceability.
6,9-Dihydroxybenzo[g]isoquinoline-5,10-dione (C13H7NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 6,9-Dihydroxybenzo[g]isoquinoline-5,10-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H7NO4 |
| Molecular Weight | 241.20 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Dihydroxybenzo Standards
Recommended Standards
- 6-(4-Hydroxyphenyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione (CAS 313519-01-6)
- Aciclovir Impurity 7 (CAS 80685-23-0)
- 6-(3-Hydroxyphenyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione (CAS 313554-78-8)
- Ethyl 4-hydroxy-5-methoxy-2-nitrobenzoate (CAS 422308-68-7)
- 1-(2-Bromo-5-fluorobenzyl)-1h-pyrazol-3-amine (CAS 1183336-73-3)
- 2-(Morpholin-4-ylmethyl)-1,4-oxazepane (CAS 933728-04-2)
- 5-((Butylthio)methyl)-4-chloroisoxazol-3(2H)-one (CAS 89660-95-7)
- (2,3-Dihydro-1H-inden-2-yl)hydrazine hydrochloride (CAS 92403-21-9)
- 1,1-Difluoro-3-(3-methylbenzo[d]thiazol-2(3H)-ylidene)propan-2-one (CAS 41131-04-8)
- 3,5-Dichloro-4-(methoxycarbonyl)benzoic Acid (CAS 264272-64-2)
- Ethyl 4-(chloromethyl)picolinate (CAS 196500-05-7)
- 2-((3,6-Diethylpyrazin-2-yl)thio)acetonitrile (CAS 116196-67-9)
- 1-(2-chloroethyl)cyclohexane-1-carbonitrile (CAS 94695-90-6)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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