| CAS No. | 22288-78-4 |
| Molecular Formula | C6H11NO2S |
| Molecular Weight | 161.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Methyl 3-amino-2-thiophenecarboxylate methyl-3-amino-2-thiophene carboxylate 3-aminothiophen-2-carboxylic acid methyl ester methyl 3-aminothiophene-2-carboxylate methyl-3-amino-2-thiophene formate 3-aminothiophene-2-carboxylic acid methyl ester 3-amino-thiophene-2-carboxylic acid methyl ester 3-amino-2-thiophenecarboxylic acid methyl ester 3-amino-2-methoxycarbonylthiophene 3-aminothiophene-2-carboxylic acidmethyl ester methyl-3-aminothiophene-2-carboxylate methyl 3-amino-2-thiophene carboxylate methyl-3-amino-thiophene-2-carboxylate methyl-3-amino-2-thiophene-carboxylate 22288-78-4.
Methyl 3-amino-2-thiophenecarboxylate methyl-3-amino-2-thiophene carboxylate 3-aminothiophen-2-carboxylic acid methyl ester methyl 3-aminothiophene-2-carboxylate methyl-3-amino-2-thiophene formate 3-aminothiophene-2-carboxylic acid methyl ester 3-amino-thiophene-2-carboxylic acid methyl ester 3-amino-2-thiophenecarboxylic acid methyl ester 3-amino-2-methoxycarbonylthiophene 3-aminothiophene-2-carboxylic acidmethyl ester methyl-3-aminothiophene-2-carboxylate methyl 3-amino-2-thiophene carboxylate methyl-3-amino-thiophene-2-carboxylate methyl-3-amino-2-thiophene-carboxylate 22288-78-4 (CAS 22288-78-4) is a high-purity analytical reference standard with the molecular formula C6H11NO2S and a molecular weight of 161.22 g/mol.
Structurally, Methyl 3-amino-2-thiophenecarboxylate methyl-3-amino-2-thiophene carboxylate 3-aminothiophen-2-carboxylic acid methyl ester methyl 3-aminothiophene-2-carboxylate methyl-3-amino-2-thiophene formate 3-aminothiophene-2-carboxylic acid methyl ester 3-amino-thiophene-2-carboxylic acid methyl ester 3-amino-2-thiophenecarboxylic acid methyl ester 3-amino-2-methoxycarbonylthiophene 3-aminothiophene-2-carboxylic acidmethyl ester methyl-3-aminothiophene-2-carboxylate methyl 3-amino-2-thiophene carboxylate methyl-3-amino-thiophene-2-carboxylate methyl-3-amino-2-thiophene-carboxylate 22288-78-4 (C6H11NO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 161.22 g/mol, it falls into the medium-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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C6H11NO2S |
| Molecular Weight | 161.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |