4-(Methoxycarbonyl)thiophene-3-carboxylic acid CAS 4282-30-8
| CAS No. | 4282-30-8 |
| Molecular Formula | C7H6O4S |
| Molecular Weight | 186.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H6O4S, 4-(Methoxycarbonyl)thiophene-3-carboxylic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 186.19 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).
4-(Methoxycarbonyl)thiophene-3-carboxylic acid (CAS 4282-30-8), molecular formula C7H6O4S and molecular weight 186.19 g/mol, is a CATO reference standard with documented purity and traceability.
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), 4-(Methoxycarbonyl)thiophene-3-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.
Physical & Chemical Properties
| Molecular Formula | C7H6O4S |
| Molecular Weight | 186.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
Related Methoxycarbonyl Standards
- 2-(Methoxycarbonyl)thiophene-3-carboxylic acid (CAS 115777-72-5)
- 4-(Methoxycarbonyl)thiophene-2-carboxylic acid (CAS 135080-15-8)
- 5-(Methoxycarbonyl)-2-thiophenecarboxylic Acid (CAS 50340-79-9)
- 5-(Methoxycarbonyl)thiophene-3-carboxylic acid (CAS 2084800-64-4)
- 1-(Methoxycarbonyl)cyclohexane-1-carboxylic acid (CAS 33315-64-9)
- 2-(Methoxycarbonyl)cyclohexanecarboxylic acid (CAS 7719-08-6)
- 3-(Methoxycarbonyl)-2,2-dimethylcyclobutane-1-carboxylic acid (CAS 92939-68-9)
- 3-(Methoxycarbonyl)cyclohexanecarboxylic Acid (CAS 25090-39-5)
Recommended Standards
- 4-(carboxymethyl)thiophene-3-carboxylic acid (CAS 57279-54-6)
- 4-(4-Fluorophenyl)-1H-pyrrole-3-carbonitrile (CAS 87388-08-7)
- 3-Ureidothiophene-2-carboxylic acid (CAS 213390-50-2)
- 5-Acetamidothiazole-2-carboxylic acid (CAS 408535-86-4)
- (S)-2-methoxypropan-1-amine (CAS 907943-71-9)
- 3-(4-Fluoro-2-nitrophenoxy)-N-phenylthiophene-2-carboxamide (CAS 303152-68-3)
- 1-(pyrrolidin-2-yl)ethan-1-amine dihydrochloride (CAS 1193388-59-8)
- Methyl 6-(tert-butylthio)-2-methylnicotinate (CAS 1355215-56-3)
- Methyl 5-oxo-3-[(triethylsilyl)oxy]-1-cyclopentene-1-heptanoate (CAS 112713-92-5)
- N-((tetrahydrofuran-3-yl)methyl)-3,5-bis(trifluoromethyl)aniline (CAS 1114822-65-9)
- 4-[(3-chlorophenyl)methyl]piperidin-4-ol hydrochloride (CAS 1803590-21-7)
- 3-(Azetidin-1-yl)propanoic acid (CAS 99102-01-9)
- (R)-3-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(m-tolyl)propanoic acid (CAS 507472-28-8)
- Liraglutide Impurity 5 TFA Salt (CAS CATO-C4X-19925)
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