3-Methyl-3'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-2-carboxylic acid CAS 1261899-46-0
| CAS No. | 1261899-46-0 |
| Molecular Formula | C18H19NO4S |
| Molecular Weight | 345.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Methyl-3'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-2-carboxylic acid 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.
3-Methyl-3'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-2-carboxylic acid (CAS 1261899-46-0), molecular formula C18H19NO4S and molecular weight 345.41 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Methyl-3'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-2-carboxylic acid (C18H19NO4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 345.41 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.
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.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 2-Methyl-3'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261916-00-0)
- 2-Methyl-4'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-4-carboxylic acid (CAS 1261941-09-6)
- 2-Methyl-4'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261941-12-1)
- 2-Methyl-3'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-4-carboxylic acid (CAS 1261969-59-8)
- 4-Methyl-3'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-2-carboxylic acid (CAS 1261996-65-9)
- 3-Methyl-4'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-2-carboxylic acid (CAS 1262007-21-5)
- 1-(Pyrrolidin-1-yl)-2-((3-(thiophen-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)ethan-1-one (CAS 868966-31-8)
- N-(3-(Pyrrolidin-1-yl)propyl)-2-(m-tolyl)quinolin-4-amine (CAS 918970-07-7)
Recommended Standards
- 4'-(Piperidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261889-61-5)
- tert-Butyl 4-[(6-fluoroquinolin-2-yl)methyl]piperazine-1-carboxylate (CAS 1221411-13-7)
- N-((4-(Thiophen-2-yl)tetrahydro-2H-pyran-4-yl)methyl)benzo[d][1,3]dioxole-5-carboxamide (CAS 1203243-72-4)
- 3-[2-oxo-2-(piperidin-1-yl)ethoxy]-5-phenylthiophene-2-carboxylic acid (CAS 1181458-89-8)
- 2-(3-Bromophenyl)-2-(piperidin-1-yl)acetic acid (CAS 1218531-32-8)
- 2-(4-Chloro-2-fluorophenyl)-1,3-dioxolane (CAS 773102-67-3)
- 2-(4-Phenylpiperazin-1-yl)-N-(4-(trifluoromethoxy)phenyl)acetamide (CAS 524062-32-6)
- (S)-2-Amino-N-((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)methyl)-N-isopropylpropanamide (CAS 1354008-07-3)
- 3-(4-Acetoxy-3-methoxyphenyl)acrylic acid (CAS 2596-47-6)
- Drotaverine Impurity 16 (CAS 37491-68-2)
- 5-Cyclopropoxy-2-ethyl-3-isopropoxypyridine (CAS 1243316-24-6)
- 4-chloro-5,6-dimethyl-2-(pyridin-2-yl)pyrimidine (CAS 204394-63-8)
- N-(4-(Benzofuran-2-yl)thiazol-2-yl)-3-phenylpropanamide (CAS 923504-47-6)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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