Sodium 1,4-dioxo-1,4-dihydronaphthalene-2-sulfonate CAS 7045-83-2
| CAS No. | 7045-83-2 |
| Molecular Formula | C10H5O5S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Sodium 1,4-dioxo-1,4-dihydronaphthalene-2-sulfonate (C10H5O5SNa) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. 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).
Sodium 1,4-dioxo-1,4-dihydronaphthalene-2-sulfonate (CAS 7045-83-2) is a high-purity analytical reference standard with the molecular formula C10H5O5SNa and a molecular weight of 260.19 g/mol.
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 Sodium 1,4-dioxo-1,4-dihydronaphthalene-2-sulfonate 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 | C10H5O5S Na |
| Molecular Weight | 260.19 g/mol |
| 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Sulfur Atoms | 1 |
Related Sodium Standards
- 3-(1,3-Dioxo-2,3,3a,4,7,7a-hexahydro-1H-isoindol-2-yl)propanenitrile (CAS 100060-32-0)
- 2,4-Dioxo-7-(propan-2-yl)-1-propyl-1h,2h,3h,4h-pyrido[2,3-d]pyrimidine-5-carboxylic acid (CAS 1000932-57-9)
- 1-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-7-carboxylic acid (CAS 1000933-15-2)
- 1,3-Dioxo-2-(4-(propoxycarbonyl)phenyl)isoindoline-5-carboxylic acid (CAS 100162-30-9)
- 4-(4-Methyl-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)benzoic acid (CAS 1004085-26-0)
- Methyl 2-(1,3-dioxo-1,3,3a,4,7,7a-hexahydro-2H-4,7-methanoisoindol-2-yl)-5-ethylthiophene-3-carboxylate (CAS 1005107-97-0)
- 3-(2,5-Dioxo-1-propylimidazolidin-4-yl)propanoic acid (CAS 1008075-32-8)
- 2-(1,3-Dioxo-2,3,3a,4,7,7a-hexahydro-1h-isoindol-2-yl)propanoic acid (CAS 1008606-51-6)
Recommended Standards
- 1-(1-(Pyridin-2-yl)ethyl)piperidin-4-ol (CAS 1289385-72-3)
- (6-(Thiophen-3-yl)pyridin-3-yl)boronic acid (CAS 1264513-41-8)
- 1-(4-Isopropylphenyl)butan-1-amine (CAS 73441-56-2)
- Istradefylline Impurity 15 (CAS 89073-60-9)
- Prochlorperazine Impurity 9 (CAS 109095-35-4)
- 2-(6-Chloro-[3,4'-bipyridin]-5-yl)acetonitrile (CAS 1227591-72-1)
- (2-Iodo-3-methylphenyl)(methyl)sulfane (CAS 1824370-09-3)
- (3-Fluorophenyl)methanesulfinic acid (CAS 1892392-25-4)
- Methyl 2-(chlorosulfonyl)-5-ethylbenzoate (CAS 1247825-38-2)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
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