Ethyl 2-amino-4-(benzo[d][1,3]dioxol-5-yl)thiophene-3-carboxylate CAS 849659-34-3
| CAS No. | 849659-34-3 |
| Molecular Formula | C14H13NO4S |
| Molecular Weight | 291.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Ethyl 2-amino-4-(benzo[d][1,3]dioxol-5-yl)thiophene-3-carboxylate (CAS 849659-34-3), molecular formula C14H13NO4S and molecular weight 291.32 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H13NO4S, Ethyl 2-amino-4-(benzo[d][1,3]dioxol-5-yl)thiophene-3-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 291.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), Ethyl 2-amino-4-(benzo[d][1,3]dioxol-5-yl)thiophene-3-carboxylate 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 | C14H13NO4S |
| Molecular Weight | 291.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 4-Amino-4'-(methylsulfonyl)[1,1'-biphenyl]-3-carboxylic acid (CAS 893738-43-7)
- 5-Amino-1-((4-fluorophenyl)(phenyl)methyl)-1H-pyrrole-3-carbonitrile (CAS 648893-66-7)
- Ethyl 3-amino-5-(1,3-dioxaindan-5-yl)thiophene-2-carboxylate (CAS 877140-10-8)
- Methyl 3-amino-4-(benzenesulfonyl)benzoate (CAS 478249-92-2)
- Ethyl 5-amino-1-(5-ethyl-4-hydroxy-6-methylpyrimidin-2-yl)-1h-pyrazole-4-carboxylate (CAS 1175795-58-0)
- 4-[[2-(2-Amino-4-thiazolyl)acetyl]amino]-benzeneacetic Acid (CAS 1365244-64-9)
- (1-(4-Amino-1,2,5-oxadiazol-3-yl)-5-methyl-1H-1,2,3-triazol-4-yl)(azepan-1-yl)methanone (CAS 312511-59-4)
- 2-((4-Amino-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)thio)-N-(m-tolyl)acetamide (CAS 869068-13-3)
Recommended Standards
- Ethyl 2-(2,3-dihydrobenzo[b][1,4]dioxin-2-yl)thiazole-4-carboxylate (CAS 465514-25-4)
- 6-((4-Fluorophenyl)carbamoyl)-3,4-dimethylcyclohex-3-ene-1-carboxylic acid (CAS 401629-70-7)
- HawkinsinDiscontinued, see H195025 (CAS 63224-90-8)
- Methyl 2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 314279-09-9)
- 1,2,3,4-Tetrahydro-1-methyl-6-quinolinemethanol (CAS 68031-99-2)
- Big Endothelin-3 (22-41) amide (human) (CAS 174283-52-4)
- Methyl 2-amino-5-fluoronicotinate (CAS 1211535-54-4)
- (R)-1-(2,4,6-Trimethoxyphenyl)ethan-1-ol (CAS 1821705-66-1)
- 2,3-Dimethylpyrazolo[1,5-a]pyrimidin-7(1H)-one (CAS 1822715-83-2)
- 3-(Benzyloxy)-4-methoxybenzonitrile (CAS 52805-37-5)
- 4-Iodo-3-nitrobenzonitrile (CAS 101420-79-5)
- 2-Amino-4-(3-(trifluoromethyl)-1h-pyrazol-1-yl)butanoic acid (CAS 1342672-07-4)
- 5-Benzoylfuran-2-carboxylic acid (CAS 35897-51-9)
- Peptide WE-14 (CAS 115136-18-0)
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