Sodium 5-acetamido-3-((5-chloro-2-hydroxyphenyl)diazenyl)-4-hydroxynaphthalene-2,7-disulfonate CAS 6844-73-1
| CAS No. | 6844-73-1 |
| Molecular Formula | C18H14ClN3O9S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Sodium 5-acetamido-3-((5-chloro-2-hydroxyphenyl)diazenyl)-4-hydroxynaphthalene-2,7-disulfonate.
CATO supplies Sodium 5-acetamido-3-((5-chloro-2-hydroxyphenyl)diazenyl)-4-hydroxynaphthalene-2,7-disulfonate (CAS 6844-73-1), a certified reference material (molecular formula C18H14ClN3O9S2Na, MW 538.88 g/mol) for analytical method development and quality control.
Sodium 5-acetamido-3-((5-chloro-2-hydroxyphenyl)diazenyl)-4-hydroxynaphthalene-2,7-disulfonate (C18H14ClN3O9S2Na) contains a salt form, a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), Sodium 5-acetamido-3-((5-chloro-2-hydroxyphenyl)diazenyl)-4-hydroxynaphthalene-2,7-disulfonate 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 | C18H14ClN3O9S2 2*Na |
| Molecular Weight | 538.88 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Sodium Standards
- 3-Acetamido-3-(4-nitrophenyl)propanoic acid (CAS 100061-23-2)
- 3-Acetamido-4-methylpentanoic acid (CAS 1001611-01-3)
- 2-Acetamido-3-acetoxybenzoic Acid Methyl Ester (CAS 100193-10-0)
- 2-Acetamido-3-cyclohexylpropanoic acid (CAS 100400-96-2)
- 2-ACetamido-1,3,4,6-tetra-o-acetyl-2-deoxy-beta-d-thioglucopyranose (CAS 10043-46-6)
- 1-Acetamido-3-amino-2,6-dimethylbenzene (CAS 100445-94-1)
- 3-Acetamido-2,4-dimethylphenol (CAS 100445-95-2)
- N-(6-Acetamido-3-(2-methoxyethyl)benzo[d]thiazol-2(3H)-ylidene)acetamide (CAS 1005942-17-5)
Recommended Standards
- 6-(Ethyl(methyl)amino)-4-methylnicotinaldehyde (CAS 1355233-65-6)
- 3-[3-(piperidin-1-yl)propoxy]propan-1-ol (CAS 1209368-89-7)
- N-(2,3-Dihydro-1H-cyclopenta[b]quinolin-9-yl)adamantane-1-carboxamide (CAS 331272-42-5)
- N-(4-Bromo-2-chlorophenyl)-4-methylbenzamide (CAS 902090-36-2)
- 2-Methyl-N-(methylsulfonyl)furan-3-carboxamide (CAS 1197790-36-5)
- 2-(2-Chlorobenzoyl)-1-methyl-1H-imidazole (CAS 30148-26-6)
- N-(4-methoxybenzyl)-3-nitrobenzenesulfonamide (CAS 350993-26-9)
- (S)-2,2',4,4',5,5'-Hexahydroxy-7,7'-dimethyl-[1,1'-bianthracene]-9,9',10,10'-tetraone (CAS 602-06-2)
- Methyl 5-chloro-2-cyanobenzoate, 97% (CAS 439117-38-1)
- Semaglutide impurity 95 (CAS CATO-C4X-222695)
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