4-Methyl-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-2-carboxylic acid CAS 1261940-83-3
| CAS No. | 1261940-83-3 |
| Molecular Formula | C19H19NO3 |
| Molecular Weight | 309.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methyl-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-2-carboxylic acid (CAS 1261940-83-3), molecular formula C19H19NO3 and molecular weight 309.36 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Methyl-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-2-carboxylic acid (C19H19NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 309.36 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-Methyl-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H19NO3 |
| Molecular Weight | 309.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 3-Methyl-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-2-carboxylic acid (CAS 1261917-58-1)
- 2-Methyl-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261917-61-6)
- 2-Methyl-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-4-carboxylic acid (CAS 1261979-53-6)
- 4-(Pyrrolidine-1-carbonyl)benzyl benzoate (CAS 661486-92-6)
- 4-(Pyrrolidine-1-sulfonyl)benzene-1-sulfonyl chloride (CAS 165669-32-9)
- 2-(Pyrrolidine-1-sulfonyl)benzene-1-sulfonyl chloride (CAS 921160-84-1)
- 3-(Pyrrolidine-1-sulfonyl)benzene-1-sulfonyl chloride (CAS 920449-65-6)
- 5-Oxo-5-((4-(pyrrolidine-1-carbonyl)phenyl)amino)pentanoic acid (CAS 900080-57-1)
Recommended Standards
- ((6-Bromo-2-methylhexan-2-yl)oxy)(tert-butyl)dimethylsilane (CAS 1266114-93-5)
- (4R)-3-Benzoyl-4-ethyl-4-methyl-2-phenyloxazolidin-5-one (CAS 1260636-29-0)
- (Z)-3-(5-(4-Methoxybenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanoic acid (CAS 1266675-60-8)
- (S)-3-((tert-butoxycarbonyl)amino)-2-(3-methoxybenzyl)propanoic acid (CAS 1260614-47-8)
- 5-(TERT-BUTYL)-6-CHLOROPYRIDAZIN-3-AMINE (CAS 102999-49-5)
- NO-Feng-PDMPPi (CAS 1227411-35-9)
- 1-(4-Methoxybenzyl)piperidin-4-one (CAS 905986-94-9)
- Perylene-D12 (CAS CATO-LCEM501568-DC)
- 2-Hydroxy-2-methylbutanamide (CAS 1112-12-5)
- N-Methyl-1-(4-nitrophenyl)methanamine hydrochloride (CAS 6315-57-7)
- 3-Cyclopropoxy-5-methoxyisonicotinamide (CAS 1243451-50-4)
- Ethyl 2,3,3-trifluorobutanoate (CAS 1219589-17-9)
- Rimegepant Impurity 20 (CAS CATO-C4X-248720)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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