Tert-butyl (4-(isocyanatomethyl)phenyl)carbamate CAS 202979-20-2
| CAS No. | 202979-20-2 |
| Molecular Formula | C13H16N2O3 |
| Molecular Weight | 248.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Tert-butyl (4-(isocyanatomethyl)phenyl)carbamate (CAS 202979-20-2) is a high-purity analytical reference standard with the molecular formula C13H16N2O3 and a molecular weight of 248.28 g/mol.
Structurally, Tert-butyl (4-(isocyanatomethyl)phenyl)carbamate (C13H16N2O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 248.28 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), Tert-butyl (4-(isocyanatomethyl)phenyl)carbamate 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 | C13H16N2O3 |
| Molecular Weight | 248.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2014 |
| Nitrogen Atoms | 2 |
Recommended Standards
- tert-Butyl (3-oxoisoindolin-5-yl)carbamate (CAS 675109-46-3)
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- tert-Butyl (1-methyl-1H-imidazo[4,5-c]pyridin-6-yl)carbamate (CAS 914952-39-9)
- Tert-butyl 3-(hydroxymethyl)-1H-indazole-1-carboxylate (CAS 882188-87-6)
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