(2-Aminophenyl)di-p-tolylmethanol CAS 91148-61-7
| CAS No. | 91148-61-7 |
| Molecular Formula | C21H21NO |
| Molecular Weight | 303.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (2-Aminophenyl)di-p-tolylmethanol (CAS 91148-61-7), a certified reference material (molecular formula C21H21NO, MW 303.40 g/mol) for analytical method development and quality control.
Structurally, (2-Aminophenyl)di-p-tolylmethanol (C21H21NO) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 303.40 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | C21H21NO |
| Molecular Weight | 303.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 1 |
Related Aminophenyl Standards
- (2-Aminophenyl)di-o-tolylmethanol (CAS 94964-71-3)
- Methyl 3-((2-aminophenyl)thio)-2-hydroxy-3-phenylpropanoate (CAS 902601-70-1)
- (3-Aminophenyl)-N-(4-(phenylamino)phenyl)formamide (CAS 1797861-62-1)
- N-(4-((2-aminophenyl)thio)-3-nitrophenyl)acetamide (CAS 1017060-37-5)
- 2-((4-Aminophenyl)thio)-N-(3-nitrophenyl)acetamide (CAS 882081-42-7)
- 3-[(4-Aminophenyl)thio]-1-(5-methylisoxazol-3-yl)-pyrrolidine-2,5-dione (CAS 931291-42-8)
- 4-[(2-Aminophenyl)sulfanyl]-3-nitrobenzenecarbaldehyde O-methyloxime (CAS 860786-01-2)
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Recommended Standards
- (2S)-1-[(2S)-2-Amino-2-(3-hydroxytricyclo[3.3.1.1(3,7)]dec-1-yl)acetyl]pyrrolidine-2-carbonitrile (CAS 841302-25-8)
- (1Z,4E)-5-[4-(Diethoxymethyl)phenyl]-1-(dimethylamino)penta-1,4-dien-3-one (CAS 303995-68-8)
- (3-(Dimethylamino)phenyl)diphenylmethanol (CAS 303952-84-3)
- tert-butyl 3-(5,6,7,8-tetrahydro-1,8-naphthyridin-2-yl)pyrrolidine-1-carboxylate (CAS 1955518-11-2)
- 1-(2-Bromo-phenyl)-2-(1,3-dioxolan-2-yl)-ethanone (CAS 1263365-64-5)
- m-Tolylphosphonic acid (CAS 77918-48-0)
- (2-Chlorophenyl)(2-phenylmorpholino)methanone (CAS 954066-73-0)
- 5-(Hydroxymethyl)-1,2-oxazole-3-carboxylic acid (CAS 139297-56-6)
- 1-(Cyclohex-3-en-1-yl)-1H-pyrrol-2(5H)-one (CAS 753452-46-9)
- (s)-2-(Benzofuran-2-carboxamido)-2-phenylacetic acid (CAS 1217756-92-7)
- N-{2-[2-(sec-Butyl)phenoxy]butyl}cyclohexanamine (CAS 1040681-02-4)
- 4-Chloro-2-(pyridin-4-yl)benzoic acid (CAS 1214388-93-8)
- 4-Chloro-N,N-dimethyl-6-(morpholin-4-yl)pyrimidin-2-amine (CAS 383147-83-9)
- Tirzepatide Impurity 52 (CAS CATO-C4X-324052)
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