Disodium 1,6-Naphthalenedisulfonate CAS 1655-43-2
| CAS No. | 1655-43-2 |
| Molecular Formula | C10H6O6S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Disodium 1,6-Naphthalenedisulfonate (CAS 1655-43-2), molecular formula C10H6O6S2Na and molecular weight 309.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H6O6S2Na, Disodium 1,6-Naphthalenedisulfonate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 309.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Disodium 1,6-Naphthalenedisulfonate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H6O6S2 2*Na |
| Molecular Weight | 309.26 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 2 |
Related Disodium Standards
- Disodium hydrogen phosphate dihydrate (CAS 10028-24-7)
- Disodium terephthalate (CAS 10028-70-3)
- Disodium Deuterium Phosphate (CAS 107632-22-4)
- Disodium;2-ethoxyethyl phosphate (CAS 1229236-93-4)
- DIsodium phenyl phosphate hydrate (CAS 1260375-37-8)
- Disodium 4-cyanoisothiazole-3,5-dithiolate (CAS 1314229-65-6)
- MLN-4760 disodium salt (CAS 1315337-39-3)
- MLN-4760 disodium salt tetrahydrate (CAS 1315337-40-6)
Recommended Standards
- 2-(4-Butoxyphenyl)-5-(2,5-dimethoxybenzylidene)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 618073-64-6)
- 2-Cyclohexyl-1,3-oxazole-4-carboxylic acid (CAS 66493-06-9)
- 1-(4-fluorophenyl)-3-[4-(trifluoromethyl)phenyl]prop-2-en-1-one (CAS 1242145-59-0)
- 1-(3-(((1H-benzo[d]imidazol-2-yl)thio)methyl)-4-methoxyphenyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole (CAS 374767-67-6)
- 3-Methylenecyclobutan-1-amine hydrochloride (CAS 136137-55-8)
- (2Z)-2-(Benzenesulfonyl)-3-[(3-chlorophenyl)amino]-3-(methylsulfanyl)prop-2-enenitrile (CAS 1025268-52-3)
- 9H-Pyrido[3,4-b]indole (CAS 244-63-3)
- 3-Chloro-4-methyl-1H-pyrrolo[3,2-c]pyridine (CAS 1190319-76-6)
- 3-Oxo-2-phenylpropanamide (CAS 65715-14-2)
- Tirzepatide Impurity 22 X TFA Salt (CAS CATO-C4X-324022)
Why CATO?
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