4-Methoxy-2-(1H-pyrrol-1-yl)benzenethiol CAS 91166-84-6
| CAS No. | 91166-84-6 |
| Molecular Formula | C11H11NOS |
| Molecular Weight | 205.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H11NOS, 4-Methoxy-2-(1H-pyrrol-1-yl)benzenethiol contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 205.28 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.
CATO supplies 4-Methoxy-2-(1H-pyrrol-1-yl)benzenethiol (CAS 91166-84-6), a certified reference material (molecular formula C11H11NOS, MW 205.28 g/mol) for analytical method development and quality control.
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), 4-Methoxy-2-(1H-pyrrol-1-yl)benzenethiol 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 | C11H11NOS |
| Molecular Weight | 205.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
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- 6-Methoxy-4-methylquinoline-2-thiol (CAS 52323-10-1)
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Recommended Standards
- 4-Ethyl-5-phenyl-4H-1,2,4-triazol-3-yl hydrosulfide (CAS 26131-61-3)
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- 4-Benzyl-5-methyl-4h-1,2,4-triazole-3-thiol (CAS 91129-84-9)
- 4-Methyl-2-(2-methylthiazol-4-yl)phenol (CAS 744152-38-3)
- 7-Bromo-4-methyl-3,4-dihydropyrido[2,3-b]pyrazin-2(1H)-one (CAS 1368794-39-1)
- (2-(4-Chlorophenyl)indolizin-3-yl)methanamine (CAS 1176689-43-2)
- 2-Amino-5-chloroterephthalic acid (CAS 32888-88-3)
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- Oseltamivir Impurity 148 (CAS 2417645-75-9)
- RO-4582640 (4-(8-Benzo[1,2,5]oxadiazol-5-yl-[1,7]naphthyridin-6-yl)-benzoic acid) (CAS 426268-06-6)
- 5-(1-Methyl-1H-benzo[d]imidazol-2-yl)-1,3,4-oxadiazol-2-ol (CAS 83053-95-6)
- Taxachitriene A (CAS 167906-74-3)
- tert-Butyl 5-ethynyl-1H-indazole-1-carboxylate (CAS 1093307-00-6)
- Adrenal Peptide E, bovine (CAS 78355-50-7)
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