2-Chloro-4,5-dihydroxybenzoic acid CAS 87932-51-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 87932-51-2 |
| Molecular Formula | C7H5ClO4 |
| Molecular Weight | 188.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Chloro-4,5-dihydroxybenzoic acid (CAS 87932-51-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H5ClO4. Molecular weight: 188.57 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H5ClO4 |
| Molecular Weight | 188.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 2-Chloro-5-methoxy-3-nitropyridine (CAS 1003711-55-4)
- 4-Chloro-3,5-dihydroxybenzoic acid (CAS 102338-87-4)
- 2-Chloro-3-methoxy-4-nitropyridine (CAS 109613-91-4)
- 2-Chloro-4-methyl-5-nitropyridine 1-oxide (CAS 1253378-56-1)
- 2-Chloro-4-methoxypyrimidine-5-carboxylic acid (CAS 1375064-78-0)
- 6-Chloro-4-methoxypyridazine-3-carboxylic acid (CAS 1517036-80-4)
- 2-(4-chloro-5-formylfuran-2-yl)acetic acid (CAS 1525671-23-1)
- 5-Chloro-3-methoxy-2-nitropyridine (CAS 152684-28-1)
Recommended Standards
- 2-Chloro-4-(methylamino)-5-nitropyrimidine (CAS 89283-49-8)
- 2-Chloro-4-methoxy-5-nitropyridine (CAS 607373-83-1)
- 2-Chloro-3-methyl-4-nitropyridine 1-oxide (CAS 60323-95-7)
- 3-(3-Chlorophenyl)-4-((2-hydroxy-3-methoxybenzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 478254-64-7)
- Adenosine Impurity 24 (CAS 13089-44-6)
- 2-Bromo-N-[3-(1-piperidinylcarbonyl)phenyl]-acetamide (CAS 1138443-37-4)
- Pitavastatin Impurity 27 (CAS CATO-C4X-103727)
- 1-(Butylthio)-3-phenylpropan-2-one (CAS 1157305-70-8)
- 5-[(Acetyloxy)methyl]-3a,6,7,7a-tetrahydro-2-methyl-(3aR,5R,6S,7R,7aR)-5H-Pyrano[3,2-d]thiazole-6,7-diol Diacetate (Ester) (CAS 67109-74-4)
- Semaglutide impurity 103 (CAS 1446013-07-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com