2,3-Dihydroxy-4-methoxybenzoic acid CAS 3934-81-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3934-81-4 |
| Molecular Formula | C8H8O5 |
| Molecular Weight | 184.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3-Dihydroxy-4-methoxybenzoic acid (CAS 3934-81-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H8O5. Molecular weight: 184.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H8O5 |
| Molecular Weight | 184.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Dihydroxy Standards
- 3,6-Dihydroxy-2-methoxybenzoic acid (CAS 118303-91-6)
- 3,5-Dihydroxy-2-methoxybenzoic acid (CAS 1379187-95-7)
- 2,3-Dihydroxy-6-methoxybenzoic acid (CAS 148460-90-6)
- 2,4-Dihydroxy-3-methoxybenzoic acid (CAS 90111-50-5)
- 2,5-Dihydroxy-3-methoxybenzoic acid (CAS 5981-38-4)
- 3,5-Dihydroxy-4-methoxybenzoic acid (CAS 4319-02-2)
- Methyl 2,4-dihydroxy-6-methylpyrimidine-5-carboxylate (CAS 869891-41-8)
- Methyl 5,6-Dihydroxy-2-methylpyrimidine-4-carboxylate (CAS 878158-18-0)
Recommended Standards
- 2-(Furan-2-yl)succinic acid (CAS 90111-44-7)
- 2,3-Dimethoxy-5-nitropyridine (CAS 507473-22-5)
- 2-(6-Methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)acetic acid (CAS 61736-34-3)
- 3-(3-Hydroxypropyl)indolin-2-one (CAS 58025-85-7)
- 6-Chloro-2-(2-methoxyphenyl)quinoline-4-carboxylic acid (CAS 895964-96-2)
- Dexrazoxane Impurity 3 (CAS CATO-C4X-20203)
- Acifluorfen Impurity 4 (CAS 77207-01-3)
- 1-(3-Bromobenzyl)-5-methyl-1h-pyrazol-3-amine (CAS 1240573-55-0)
- 3-(Chloromethyl)-2,4-dichloropyridine (CAS 1227576-38-6)
- (Asp28)-Exenatide trifluoroacetate salt (CAS 1678417-24-7)
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