5-Chloro-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-3-carboxylic acid CAS 1261915-14-3
| CAS No. | 1261915-14-3 |
| Molecular Formula | C18H16ClNO3 |
| Molecular Weight | 329.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Chloro-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-3-carboxylic acid (C18H16ClNO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. 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 329.78 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).
5-Chloro-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261915-14-3) is a high-purity analytical reference standard with the molecular formula C18H16ClNO3 and a molecular weight of 329.78 g/mol.
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.
Physical & Chemical Properties
| Molecular Formula | C18H16ClNO3 |
| Molecular Weight | 329.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 5-Chloro-3,6-dimethyl-1-[(4-methylphenyl)methyl]-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011399-21-5)
- (2-Chloro-6-((4-methoxybenzyl)oxy)quinolin-3-yl)methanol (CAS 1180526-38-8)
- 6-Chloro-N-cyclopropyl-1-(3-methoxybenzyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 1206969-84-7)
- 5-Chloro-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-2-carboxylic acid (CAS 1261917-64-9)
- 4-Chloro-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261936-26-8)
- 6-Chloro-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261936-34-8)
- 3-Chloro-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-4-carboxylic acid (CAS 1261995-78-1)
- 3-Chloro-2'-(pyrrolidine-3-carbonyl)-[1,1'-biphenyl]-2-carboxylic acid (CAS 1262006-44-9)
Recommended Standards
- 1242951-47-8 [(5-{[(3-Chlorophenyl)amino]carbonyl}-1,3,4-thiadiazol-2-yl)thio]acetic acid MFCD15732220 (CAS 1242951-47-8)
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- 7-tert-Butyl 2-ethyl 3-chloro-5,6-dihydroimidazo[1,2-a]pyrazine-2,7(8H)-dicarboxylate (CAS 1174069-07-8)
- (R)-4-Benzyl-3-(2-(3-chlorophenyl)acetyl)oxazolidin-2-one (CAS 1097869-92-5)
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- Benzo[d][1,3]dioxol-5-yl(furan-2-yl)methanol (CAS 102285-66-5)
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- N-(5-cyclopropyl-1,4,5,6-tetrahydro-1,3,5-triazin-2-yl)methanesulfonamide (CAS 1209203-08-6)
- 3-((4-Bromo-1H-pyrazol-1-yl)methoxy)pyridine (CAS 1708170-00-6)
- (4S)-1,3-Thiazinane-4-carboxylic acid (CAS 147331-83-7)
- 4-Bromo-N,N,1-tris(4-methoxybenzyl)-1H-pyrazol-3-amine (CAS 930286-87-6)
- (R)-Lorazepam (CAS 91402-80-1)
- Peptide 435 (CAS CATO-CPTD788435)
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