2-Amino-N-(3-methoxyphenyl)-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxamide CAS 725687-83-2
| CAS No. | 725687-83-2 |
| Molecular Formula | C18H22N2O2S |
| Molecular Weight | 330.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Amino-N-(3-methoxyphenyl)-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxamide (CAS 725687-83-2) is a high-purity analytical reference standard with the molecular formula C18H22N2O2S and a molecular weight of 330.44 g/mol.
Structurally, 2-Amino-N-(3-methoxyphenyl)-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxamide (C18H22N2O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 330.44 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 2-Amino-N-(3-methoxyphenyl)-4,5,6,7,8,9-hexahydrocycloocta[b]thiophene-3-carboxamide 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 | C18H22N2O2S |
| Molecular Weight | 330.44 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1986 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Amino Standards
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Recommended Standards
- 2-Isopropyl-5-methylcyclohexyl 5-acetoxy-1,3-oxathiolane-2-carboxylate (CAS 200396-20-9)
- 2-Methyl-N-(2-morpholino-2-(thiophen-3-yl)ethyl)benzamide (CAS 954620-74-7)
- 3-Methanesulfonyl-4-methyl-6-phenyl-2-(piperidin-1-yl)pyridine (CAS 339017-12-8)
- 1-Nitro Febantel (CAS 63470-85-9)
- 2-Isothiocyanatomethyl-thiophene (CAS 36810-92-1)
- 1,8-Dimethyl-2-oxo-1,2,3,4-tetrahydroquinoline-4-carboxylic acid (CAS 1269530-15-5)
- Ethyl 2-hydroxy-6-methylnicotinate (CAS 51146-04-4)
- 5-Bromo-1,3-dimethyl-1H-pyrazole-4-carboxylic acid, 97% (CAS 1369357-72-1)
- 5-Bromo-2-(1-methyl-1H-1,2,4-triazol-5-yl)thiazole (CAS 1014983-33-5)
- 3-(p-Tolyl)-1,4,8-triazaspiro[4.5]dec-3-ene-2-thione (CAS 931937-33-6)
- 1-(2-Phenylethyl)-1,4-diazepane dihydrochloride (CAS 198895-79-3)
- Ethyl 4-(4-chlorophenoxy)-3-oxobutanoate (CAS 97900-77-1)
- Methyl 4-methoxy-3-(2-methylthiazol-4-yl)benzoate (CAS 1387563-02-1)
- Insulin Degludec Impurity 28 (CAS CATO-C4X-215728)
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