4-(Dimethylphosphoryl)thiophene-2-carboxylic acid CAS 2361957-75-5
| CAS No. | 2361957-75-5 |
| Molecular Formula | C7H9O3PS |
| Molecular Weight | 204.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(Dimethylphosphoryl)thiophene-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-(Dimethylphosphoryl)thiophene-2-carboxylic acid (CAS 2361957-75-5) is a high-purity analytical reference standard with the molecular formula C7H9O3PS and a molecular weight of 204.18 g/mol.
Structurally, 4-(Dimethylphosphoryl)thiophene-2-carboxylic acid (C7H9O3PS) contains a sulfone group, a phosphonate group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 204.18 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C7H9O3PS |
| Molecular Weight | 204.18 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1999 |
| Sulfur Atoms | 1 |
Related Dimethylphosphoryl Standards
- 5-(Dimethylphosphoryl)thiophene-2-carboxylic acid (CAS 2361970-76-3)
- 1-(5-(Dimethylphosphoryl)thiophen-2-yl)ethanone (CAS 2551115-78-5)
- 5-(Dimethylphosphoryl)-3-methylfuran-2-carboxylic acid (CAS 2648962-63-2)
- Methyl 5-(dimethylphosphoryl)furan-2-carboxylate (CAS 2613383-31-4)
- 5-(Dimethylphosphoryl)pyrazine-2-carboxylic acid (CAS 2361983-21-1)
- 5-(Dimethylphosphoryl)pyrimidine-2-carboxylic acid (CAS 2567495-29-6)
- 2-(Dimethylphosphoryl)isonicotinic acid (CAS 1508339-39-6)
- 4-(Dimethylphosphoryl)picolinic acid (CAS 2362010-59-9)
Recommended Standards
- 4-(Allyloxy)isobenzofuran-1,3-dione (CAS 64208-35-1)
- 4-(Oxazol-4-ylamino)benzoic acid (CAS 391870-64-7)
- 4-(6-Hydroxypyridazin-3-yl)benzene-1,2-diol (CAS 87605-83-2)
- 4-[(2-cyanoacetyl)amino]benzoic acid (CAS 31557-87-6)
- 3-Methylbenzo[d]isoxazol-5-ol (CAS 214760-36-8)
- Hydroxocobalamin Acetate (CAS 22465-48-1)
- N-((Dimethylamino)methylene)-N-methylmethanaminium chloride (CAS 1071-38-1)
- 4,4-Dichloro-3-methyl-1-phenyl-3-pyrazolin-5-one (CAS 24515-10-4)
- 2-Amino-4-(3,5-dichlorophenyl)butanoic acid (CAS 1260643-60-4)
- 6-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)picolinic acid (CAS 1342022-63-2)
- 3-Methyl-3-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dien-1-yl)butanoic acid (CAS 40662-29-1)
- 1-(4-Chlorobenzenesulfonyl)-2-(4-chlorophenyl)propan-2-ol (CAS 338774-91-7)
- Azido-PEG10-Boc (CAS 2490419-48-0)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
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 18665070610 / Nicole.chen@cato-chem.com