4-methanesulfonyl-5-methylfuran-2-carboxylic acid CAS 910442-09-0
| CAS No. | 910442-09-0 |
| Molecular Formula | C7H8O5S |
| Molecular Weight | 204.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-methanesulfonyl-5-methylfuran-2-carboxylic 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.
4-methanesulfonyl-5-methylfuran-2-carboxylic acid (CAS 910442-09-0), molecular formula C7H8O5S and molecular weight 204.20 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-methanesulfonyl-5-methylfuran-2-carboxylic acid (C7H8O5S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 204.20 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C7H8O5S |
| Molecular Weight | 204.20 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
Related methanesulfonyl Standards
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- (1-Ethyl-2-methanesulfonyl-1h-imidazol-5-yl)methanol (CAS 1221341-97-4)
- 2-methanesulfonyl-2,7-diazaspiro[3.5]nonane (CAS 1784671-71-1)
- 3-methanesulfonyl-1H-indole (CAS 582321-06-0)
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- 5-Methanesulfonyl-1-methyl-3-nitro-1h-1,2,4-triazole (CAS 346631-21-8)
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Recommended Standards
- 4-Hydroxy-3-methoxybenzenesulfonic Acid (CAS 7134-11-4)
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- 5-(4-Fluorophenyl)-1-methyl-1H-pyrazole-4-carbaldehyde (CAS 689250-52-0)
- Methyl 7-(trifluoromethyl)-5,6-dihydrobenzo-[h]pyrazolo[5,1-b]quinazoline-10-carboxylate (CAS 313389-78-5)
- trans-2-methyl-3,4-dihydro-2H-1-benzopyran-4-amine hydrochloride (CAS 1820583-55-8)
- (2-Phenylcyclohexyl)methanol (CAS 92077-68-4)
- Yibeissine (CAS 143502-51-6)
- (3Z)-N-(4-Chlorophenyl)-3-{[(2,6-dichlorophenyl)methoxy]imino}propanamide (CAS 477851-67-5)
- 5-(1-Hydroxynaphthalen-2-yl)-1H-1,2,4-triazol-3(2H)-one (CAS 62353-83-7)
- 3-Cyclohexyl-1-ethyl-4-hydroxy-1H-1,2,4-triazol-5(4H)-one (CAS 112799-85-6)
- Ethyl 2-amino-4-(2-chlorophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate (CAS 333341-09-6)
- N-(8-bromo-4-oxo-3,4-dihydroquinazolin-2-yl)acetamide (CAS 1258630-87-3)
- D-Pro31-Tirzepatide (CAS CATO-CPTD788905)
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