2,2'-(Thiophene-2,5-diyl)diacetic acid CAS 710-23-6
| CAS No. | 710-23-6 |
| Molecular Formula | C8H8O4S |
| Molecular Weight | 200.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
2,2'-(Thiophene-2,5-diyl)diacetic acid (CAS 710-23-6), molecular formula C8H8O4S and molecular weight 200.21 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,2'-(Thiophene-2,5-diyl)diacetic acid (C8H8O4S) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 200.21 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C8H8O4S |
| Molecular Weight | 200.21 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Related Thiophene Standards
- Methyl (thiophene-2-carbonyl)glycinate (CAS 63203-31-6)
- 4-(thiophene-2-carbonyl)dihydrofuran-2(3H)-one (CAS 88696-86-0)
- Phenyl thiophene-2-carboxylate (CAS 881-89-0)
- 3-Methyl-2-(thiophene-3-carbonyl)butanenitrile (CAS 1250351-55-3)
- 2-(thiophene-3-carbonyl)pentanenitrile (CAS 1510899-06-5)
- 4-Methyl-2-(thiophene-3-carbonyl)pentanenitrile (CAS 1247377-80-5)
- 2-(Thiophene-2-carbonyl)cyclohexan-1-one (CAS 404858-18-0)
- Thiophene-2,5-dicarbonyl dichloride (CAS 3857-36-1)
Recommended Standards
- 2-(Methylthio)-5-(trifluoromethyl)-1,3,4-thiadiazole (CAS 32539-16-5)
- 2,5-Thiophenedicarboxylic acid dimethyl ester (CAS 4282-34-2)
- 2-(Methylsulfonyl)benzoic acid, 98% (CAS 33963-55-2)
- 2-[(difluoromethyl)thio]-1H-benzimidazole (CAS 321578-79-4)
- tert-Butyl 3-((S)-2-amino-3-methylbutanamido)pyrrolidine-1-carboxylate (CAS 1354025-91-4)
- 6-((2-Chlorobenzyl)thio)-9-cyclohexyl-9H-purin-2-amine (CAS 93946-94-2)
- Fmoc-(α-Me)-L-Phe-(α-Me)-L-Phe-OH (CAS 2978738-77-9)
- Levpropoxyphene Napsylate Monohydrate (CAS 55557-30-7)
- (Butan-2-yl)[2-(2-fluorophenyl)ethyl]amine (CAS 1019530-90-5)
- 5,5-Dimethoxy-1,2,3,4-tetrachlorocyclopentadiene (CAS 2207-27-4)
- n-(5-Bromo-2-methylphenyl)-3-(1h-pyrazol-1-yl)propanamide (CAS 1157324-24-7)
- n1,n1-Dimethyl-n3-((5-methylfuran-2-yl)methyl)propane-1,3-diamine (CAS 626216-66-8)
- 1-(2-(3-Chlorophenoxy)ethyl)piperazine (CAS 401500-65-0)
- D-Ile17-Tirzepatide (CAS CATO-CPTD788917)
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