8-Nitronaphthalene-1,3,5-trisulfonic acid CAS 66620-35-7
| CAS No. | 66620-35-7 |
| Molecular Formula | C10H7NO11S3 |
| Molecular Weight | 413.36 g/mol |
| 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 8-Nitronaphthalene-1,3,5-trisulfonic acid.
8-Nitronaphthalene-1,3,5-trisulfonic acid (CAS 66620-35-7) is a high-purity analytical reference standard with the molecular formula C10H7NO11S3 and a molecular weight of 413.36 g/mol.
Owing to a carbohydrate-derived structure, an amide group, a sulfone group, 8-Nitronaphthalene-1,3,5-trisulfonic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 413.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 8-Nitronaphthalene-1,3,5-trisulfonic acid 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 | C10H7NO11S3 |
| Molecular Weight | 413.36 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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.) | 1976 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 3 |
Related Nitronaphthalene Standards
- 8-Nitronaphthalene-1,3,6-trisulfonic acid (CAS 38267-31-1)
- 3-Nitronaphthalene-1,5-disulfonic acid (CAS 117-86-2)
- 4-Nitronaphthalene-2,6-dicarboxylic acid (CAS 1638156-89-4)
- 5-Nitronaphthalene-1-sulfonyl fluoride (CAS 108045-25-6)
- 5-Nitronaphthalene-1-sulfonic acid (CAS 17521-00-5)
- 4-Nitronaphthalene-1-acetic Acid (CAS 89278-25-1)
- methyl 1-nitronaphthalene-2-carboxylate (CAS 78508-71-1)
- 3-nitronaphthalene-1-carboxylic acid (CAS 4507-84-0)
Recommended Standards
- 5-Chloro-3-(((4-chlorophenyl)thio)methyl)-4-(((4-fluorophenyl)thio)methyl)-1-methyl-1H-pyrazole (CAS 318234-41-2)
- 2-Phenyl-3-((3-(1,1,2,2-tetrafluoroethoxy)phenyl)amino)-1H-inden-1-one (CAS 946387-12-8)
- N-(2,4-difluorophenyl)-3-((3-(trifluoromethyl)benzyl)oxy)thiophene-2-carboxamide (CAS 344273-05-8)
- 2,4-Dichloro-6-(phenylthio)octyl pyrimidine-5-carboxylate (CAS 87847-41-4)
- N-[6-Chloro-4-(trifluoromethyl)-2-pyridyl]-N'-(3-methoxyphenyl)urea (CAS 256471-20-2)
- 2-(3,7-Dimethyl-5-oxo-1,5-dihydro-[1,2,4]triazolo[4,3-a]pyrimidin-6-yl)acetic acid (CAS 883550-10-5)
- Methyl 2-bromo-1-naphthoate (CAS 93353-65-2)
- 8-Chloro-2-(pyrrolidin-1-yl)quinoline-4-carboxylic acid (CAS 1242898-92-5)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-amino-2-(furan-2-yl)pyrimidin-5-yl)boronate (CAS 2223030-35-9)
- 7-Bromo-3-(tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline (CAS 2377607-16-2)
- ((2R,3R,4R)-2,3,4-Trihydroxy-5-oxopentyl)triphosphoric acid (CAS 62746-84-3)
- 1-((4-(4-Ethoxyphenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-3,3-dimethylbutan-2-one (CAS 477329-48-9)
- 1,2-Dimesitylethane (CAS 4674-23-1)
- Semaglutide Impurity 8 (CAS CATO-C4X-22268)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com