4-Formyl-2-hydroxybenzoic acid CAS 51572-88-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 51572-88-4 |
| Molecular Formula | C8H6O4 |
| Molecular Weight | 166.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Formyl-2-hydroxybenzoic acid (CAS 51572-88-4) pharmaceutical standards reference standard. Molecular formula: C8H6O4. Molecular weight: 166.13 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H6O4 |
| Molecular Weight | 166.13 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
Related Formyl Standards
- 3-Formyl-5-hydroxybenzoic acid (CAS 1022160-01-5)
- Methyl 5-formyl-2-pyrimidinecarboxylate (CAS 1086393-49-8)
- 2-Formyl-4-hydroxybenzoic acid (CAS 1243359-24-1)
- 2-Formyl-5-hydroxybenzoic acid (CAS 1243395-76-7)
- 2-Formyl-3-hydroxybenzoic acid (CAS 1243461-12-2)
- 2-Formyl-6-hydroxybenzoic acid (CAS 4743-48-0)
- 3-Formyl-2-hydroxybenzoic Acid (CAS 610-04-8)
- 4-Formyl-3-hydroxybenzoic acid (CAS 619-12-5)
Recommended Standards
- 4-Carbamoylpicolinic acid (CAS 24195-08-2)
- 4-Amino-3-nitrobenzaldehyde (CAS 51818-99-6)
- 4-Hydroxy-2H-1,3-benzodioxole-5-carbaldehyde (CAS 23780-59-8)
- Ethyl 7-(3-nitrophenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-5-carboxylate (CAS 866050-48-8)
- 6-Bromo-3-nitropicolinic acid (CAS 1211520-91-0)
- Irbesartan impurity 39 (CAS 1057501-99-1)
- 1,2-Dimethyl-1H-indole-3-carbonitrile (CAS 51072-84-5)
- (R)-2,2'-Bis(methoxymethoxy)-1,1'-binaphthyl-3,3'-diboronic acid pinacol ester (CAS 260442-17-9)
- Sodium (7-methoxy-1-oxo-1,2,3,4-tetrahydronaphthalen-2-ylidene)methanolate (CAS 1562135-97-0)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com