5-Fluoro-2-(phosphonooxy)benzoic acid CAS 137372-07-7
| CAS No. | 137372-07-7 |
| Molecular Formula | C7H6FO6P |
| Molecular Weight | 236.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Fluoro-2-(phosphonooxy)benzoic acid (CAS 137372-07-7) is a high-purity analytical reference standard with the molecular formula C7H6FO6P and a molecular weight of 236.09 g/mol.
Based on its molecular formula C7H6FO6P, 5-Fluoro-2-(phosphonooxy)benzoic acid contains a carbohydrate-derived structure, a phosphate ester group, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 236.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Fluoro-2-(phosphonooxy)benzoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H6FO6P |
| Molecular Weight | 236.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
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- 2-Fluoro-4-methylbenzeneboronic acid pinacol ester, 97% (CAS 1165936-03-7)
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Recommended Standards
- 2-(2-Bromo-5-methylthiazol-4-yl)acetic acid (CAS 1368320-93-7)
- Methyl 2-(5-bromo-1,3-thiazol-2-yl)acetate (CAS 1375065-91-0)
- 3-Fluorophenylmethylboronic acid pinacol ester (CAS 1310048-95-3)
- Methyl 4-(bromomethyl)thiazole-2-carboxylate (CAS 1378873-75-6)
- 1-Oxo-1,2,3,4-tetrahydroisoquinoline-7-sulfonamide (CAS 885273-77-8)
- N,4-dimethylthiazole-5-sulfonamide (CAS 1823927-61-2)
- 2-Chloro-4-ethylaniline hydrochloride (CAS 1214622-59-9)
- 2,3,4,5,6-Pentamethylbenzonitrile (CAS 5144-10-5)
- 1-(2'-Fluoro-[1,1'-biphenyl]-3-yl)ethan-1-one (CAS 893738-82-4)
- ethyl 6-hydroxy-1,5-naphthyridine-3-carboxylate (CAS 2007920-40-1)
- Ethyl 5-chloro-1,2,4-oxadiazole-3-carboxylate (CAS 1393552-64-1)
- 9-N-Butylfluorene (CAS 3952-42-9)
- Dibenzo(B,K)Fluoranthene (CAS 205-97-0)
- Insulin B (22-25) (CAS 34367-73-2)
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