4-Hydroxybenzoic Acid-N-Heptyl Ester CAS 1085-12-7
| CAS No. | 1085-12-7 |
| Molecular Formula | C14H20O3 |
| Molecular Weight | 236.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-Hydroxybenzoic Acid-N-Heptyl Ester (CAS 1085-12-7), molecular formula C14H20O3 and molecular weight 236.31 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Hydroxybenzoic Acid-N-Heptyl Ester (C14H20O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 236.31 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C14H20O3 |
| Molecular Weight | 236.31 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Hydroxybenzoic Standards
- 3-benzyl-2-hydroxybenzoic acid (CAS 16122-06-8)
- 5-benzyl-2-hydroxybenzoic acid (CAS 4386-41-8)
- 4-Hydroxybenzoic Acid Phenyl Ester (CAS 17696-62-7)
- 4-Hydroxybenzoic acid n-nonyl ester (CAS 38713-56-3)
- 4-Hydroxybenzoic Acid Amyl Ester (CAS 6521-29-5)
- 2-Ethyl-4-hydroxybenzoic Acid ethyl ester (CAS 851334-79-7)
- 4-Hydroxybenzoic Acid-N-Butyl Ester (CAS 94-26-8)
- 3-acetyl-4-hydroxybenzoic acid (CAS 16357-40-7)
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- (1-(Benzo[d][1,3]dioxol-5-ylmethyl)-1H-imidazol-5-yl)methanol (CAS 226930-11-6)
- Bicyclo[1.1.0]butan-1-ylmethanol (CAS 4935-02-8)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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