3-[2-oxo-2-(piperidin-1-yl)ethoxy]-5-phenylthiophene-2-carboxylic acid CAS 1181458-89-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1181458-89-8 |
| Molecular Formula | C18H19NO4S |
| Molecular Weight | 345.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[2-oxo-2-(piperidin-1-yl)ethoxy]-5-phenylthiophene-2-carboxylic acid (CAS 1181458-89-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H19NO4S. Molecular weight: 345.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H19NO4S |
| Molecular Weight | 345.41 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-(3-(5-(4-Fluorobenzyl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)-2,2-dimethylpropan-1-one (CAS 1170839-21-0)
- N-((4-(Thiophen-2-yl)tetrahydro-2H-pyran-4-yl)methyl)benzo[d][1,3]dioxole-5-carboxamide (CAS 1203243-72-4)
- 2-(1-Tosyl-1,2,3,4-tetrahydroquinolin-4-yl)acetic acid (CAS 102586-89-0)
- 4-Bromobutyl trifluoromethanesulfonate (CAS 103935-49-5)
- Potassium pentanoate (CAS 19455-21-1)
- (2AR,6aR)-decahydronaphtho[2,3-b]oxirene (CAS 21399-51-9)
- 2-[5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-yl]phenol (CAS 288271-25-0)
- ethyl 2-methylcyclopent-1-ene-1-carboxylate (CAS 64229-84-1)
- 6,6-Dimethyl-3-(methylsulfonyl)-4-oxo-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylic acid (CAS 873189-09-4)
- D-Tyr10-Tirzepatide (CAS CATO-CPTD788922)
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