4-[(tert-butylcarbamoyl)amino]-2-hydroxybenzoic acid CAS 1042795-14-1
| CAS No. | 1042795-14-1 |
| Molecular Formula | C12H16N2O4 |
| Molecular Weight | 252.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-[(tert-butylcarbamoyl)amino]-2-hydroxybenzoic acid.
4-[(tert-butylcarbamoyl)amino]-2-hydroxybenzoic acid (CAS 1042795-14-1), molecular formula C12H16N2O4 and molecular weight 252.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-[(tert-butylcarbamoyl)amino]-2-hydroxybenzoic acid (C12H16N2O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 252.27 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C12H16N2O4 |
| Molecular Weight | 252.27 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
Related tert Standards
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- (4-(Butylcarbamoyl)-3-chlorophenyl)boronic acid (CAS 850589-43-4)
Recommended Standards
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