156948-00-4 2-Butenoic acid, 3-methoxy-, (2E)- CTK0B0567 CAS 156948-00-4
| CAS No. | 156948-00-4 |
| Molecular Formula | C5H8O3 |
| Molecular Weight | 116.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
156948-00-4 2-Butenoic acid, 3-methoxy-, (2E)- CTK0B0567 (CAS 156948-00-4), molecular formula C5H8O3 and molecular weight 116.12 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 156948-00-4 2-Butenoic acid, 3-methoxy-, (2E)- CTK0B0567 is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 116.12 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 156948-00-4 2-Butenoic acid, 3-methoxy-, (2E)- CTK0B0567 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H8O3 |
| Molecular Weight | 116.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2001 |
Related Butenoic Standards
- 2-Methyl-3-butenoic Acid (CAS 53774-20-2)
- 2-Oxo-3-butenoic Acid (CAS 56842-76-3)
- 2-Butenoic acid, 3-(acetylamino)-, (2Z)- (CAS 497262-04-1)
- 3-Butenoic acid, 2-hydroxy-2-methyl-, ethyl ester 50471-46-0 CTK1G6653 (CAS 50471-46-0)
- 3-Butenoic Acid (CAS 625-38-7)
- 2-Butenoic acid, 2-methyl-, butyl ester, (2Z)- (CAS 7785-64-0)
- 3-Butenoic acid, 4-(dimethylamino)-2-oxo-, methyl ester (CAS 331005-96-0)
- 2-Butenoic acid, 3-amino-, 1,1-dimethylethyl ester, (2Z)- (CAS 16052-66-7)
Recommended Standards
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- 2-(4-Hydroxy-3-methoxybenzyl)anthracene-9,10-dione (CAS 76092-01-8)
- 2-Amino-2-methyl-4-(pyrrolidin-1-yl)butan-1-ol (CAS 1343860-51-4)
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- Fluorescein impurity 14 (CAS CATO-C4X-290014)
- 6-Bromo-4-ethynylquinoline (CAS 1319205-85-0)
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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