Carbamic acid, N-(3-methylenecyclobutyl)-N-(phenylmethyl)-, phenylmethyl ester CAS 1956355-09-1
| CAS No. | 1956355-09-1 |
| Molecular Formula | C20H21NO2 |
| Molecular Weight | 307.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Carbamic acid, N-(3-methylenecyclobutyl)-N-(phenylmethyl)-, phenylmethyl ester (C20H21NO2) 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 307.39 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.
Carbamic acid, N-(3-methylenecyclobutyl)-N-(phenylmethyl)-, phenylmethyl ester (CAS 1956355-09-1), molecular formula C20H21NO2 and molecular weight 307.39 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), Carbamic acid, N-(3-methylenecyclobutyl)-N-(phenylmethyl)-, phenylmethyl ester 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 | C20H21NO2 |
| Molecular Weight | 307.39 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 | 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.) | 1996 |
| Nitrogen Atoms | 1 |
Related Carbamic Standards
- Carbamic acid, n-[[(1R,2R)-2-(2,5-dimethoxyphenyl)cyclopropyl]methyl]-, 1,1-dimethylethyl esteR, rel- (CAS 1322700-10-6)
- Carbamic acid, [2-fluoro-6-[(trimethylsilyl)ethynyl]phenyl]-, 1,1-dimethylethyl ester (CAS 908600-89-5)
- Carbamic acid, [1-(5-nitro-2-pyridinyl)-3-pyrrolidinyl]-, 1,1-dimethylethyl ester (9CI) (CAS 478034-89-8)
- Carbamic acid, N-[5-[(2-phenylethyl)amino]pentyl]-, 1,1-dimethylethyl ester (CAS 1402612-60-5)
- Carbamic acid, [2-[(6-hydroxyhexyl)amino]-2-oxoethyl]-, phenylmethyl ester (9CI) (CAS 75937-30-3)
- Carbamic acid, N-[(1S,2S)-2-methyl-1-[(propylamino)carbonyl]butyl]-, phenylmethyl ester (CAS 1637475-49-0)
- Carbamic acid, N-[(1S,2S)-2-methyl-1-[[(1-methylethyl)amino]carbonyl]butyl]-, phenylmethyl ester (CAS 1820581-62-1)
- Carbamic acid, N-(3-isocyanato-4-methylphenyl)-, 2-ethylhexyl ester (CAS 51604-48-9)
Recommended Standards
- tert-Butyl 5-methyl-2-phenyl-1H-indole-1-carboxylate (CAS 193810-86-5)
- 3-Methyl-9-(naphthalen-2-yl)-9H-carbazole (CAS 1956377-58-4)
- tert-Butyl N-[1-(3-cyclopropyl-1,2,4-oxadiazol-5-yl)cyclohexyl]carbamate (CAS 1824014-61-0)
- 1-(1,2-Diphenylpyrazolidin-3-yl)pyrrolidin-2-one (CAS 197310-59-1)
- Methyl 3-(trifluoromethyl)quinoline-6-carboxylate (CAS 2060600-02-2)
- 4-Amino-1-ethyl-N-isobutyl-1H-pyrazole-5-carboxamide (CAS 1006453-68-4)
- 5-Amino-1,3-dimethyl-1,2-dihydropyridin-2-one (CAS 1013643-17-8)
- 3-(4-Hydroxyphenyl)-2-[(Z)-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]quinazolin-4(3H)-one (CAS 1321715-78-9)
- Dimethyl 3,4-dimethoxyphthalate (CAS 32255-87-1)
- (S)-2-Amino-N-((2-chlorothiazol-5-yl)methyl)-N-isopropylpropanamide (CAS 1353993-18-6)
- 2-Chloro-5-(piperidin-1-ylmethyl)pyridine (CAS 230617-67-1)
- 3-[5-(Hydroxymethyl)-2-furyl]benzoic acid (CAS 679821-90-0)
- 3-(Cyclopropylmethyl)-1,2,4-thiadiazol-5-amine (CAS 1538401-81-8)
- Semaglutide impurity 48 (CAS CATO-C4X-222648)
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