4,5-dihydroxy-2-naphthoic acid CAS 154623-82-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 154623-82-2 |
| Molecular Formula | C11H8O4 |
| Molecular Weight | 204.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-dihydroxy-2-naphthoic acid (CAS 154623-82-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H8O4. Molecular weight: 204.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H8O4 |
| Molecular Weight | 204.18 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
Related dihydroxy Standards
- 6,7-Dihydroxy-2-naphthoic acid (CAS 113458-95-0)
- 1-(4,6-Dihydroxy-1,5-naphthyridin-3-yl)ethanone (CAS 1431697-83-4)
- 5,8-Dihydroxy-2-vinylquinazolin-4(1H)-one (CAS 150880-63-0)
- 5,6-Dihydroxy-2-naphthoic acid (CAS 182205-62-5)
- 1,3-Dihydroxy-2-naphthoic acid (CAS 3147-58-8)
- 1,6-DIHYDROXY-2-NAPHTHOIC ACID (CAS 38134-93-9)
- 1,4-Dihydroxy-2-naphthoic Acid (CAS 31519-22-9)
- 4',5-Dihydroxy-1,6-dihydro-[1,1'-biphenyl]-3(2H)-one (CAS 1255147-77-3)
Recommended Standards
- 7-amino-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 1545047-94-6)
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- Ethyl 3-formylpyrazolo[1,5-a]pyridine-2-carboxylate (CAS 151831-22-0)
- 4-(trifluoromethyl)-1H-imidazole-2-carbaldehyde (CAS 102808-02-6)
- 3,8-Dibromobenzo[c]cinnoline (CAS 79580-35-1)
- Bumetanide Impurity 48 (CAS CATO-C4X-198648)
- 3-Amino-3-cycloheptylpropanoic acid hydrochloride (CAS 2138541-26-9)
- 2-(Isopropylamino)-1-(thiazol-2-yl)ethanone (CAS 1353979-84-6)
- 3-(2-(4-Bromophenyl)-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indol-1-yl)propanoic acid (CAS 1024051-53-3)
- Insulin Degludec Impurity 2 (CAS CATO-C4X-21572)
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