3-Nitro-2-naphthoic acid CAS 73428-03-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 73428-03-2 |
| Molecular Formula | C11H7NO4 |
| Molecular Weight | 217.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Nitro-2-naphthoic acid (CAS 73428-03-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H7NO4. Molecular weight: 217.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H7NO4 |
| Molecular Weight | 217.18 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, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
Related Nitro Standards
- 1-Nitro-2-naphthoic acid (CAS 103987-83-3)
- 5-Nitro-2-(1h-pyrazol-1-yl)benzaldehyde (CAS 1152558-90-1)
- 3-Nitro-4-(1h-pyrazol-1-yl)benzaldehyde (CAS 1152559-00-6)
- 4-Nitro-[2,2'-bipyridine] 1-oxide (CAS 14163-00-9)
- 4-Nitro-1-naphthoic acid (CAS 1975-43-5)
- 6-Nitro-1-naphthoic acid (CAS 1975-45-7)
- 4'-Nitro-[2,2'-bipyridine] 1-oxide (CAS 84175-05-3)
- 5'-Nitro-[2,3'-bipyridin]-6'(1'H)-one (CAS 62749-36-4)
Recommended Standards
- 3-Benzo[1,3]dioxol-5-yl-isoxazole-5-carbaldehyde (CAS 808739-26-6)
- 3-Oxo-6-(pyridin-4-yl)-2,3-dihydropyridazine-4-carboxylic acid (CAS 80843-48-7)
- 3-(Benzo[d][1,3]dioxol-5-yl)-2-cyanoacrylic Acid (CAS 51066-70-7)
- N-(benzo[d][1,3]dioxol-5-ylmethyl)-3-cyclopentyl-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide (CAS 909207-97-2)
- Isoquinolin-6-ylmethanol (CAS 188861-59-8)
- Methacrylic Acid Benzyl Ester (CAS 2495-37-6)
- 2-(3-methyl-1,2,4-oxadiazol-5-yl)piperidine (CAS 343246-64-0)
- N-(2-Methoxyethyl)-2-piperazin-1-ylacetamide (CAS 871217-34-4)
- Poly(DL-3-hydroxybutyric acid) Mn ~500,000 (CAS 26744-04-7)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
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 13829788188 / jacky.chen@cato-chem.com