2-(3,5-Di-tert-butyl-4-hydroxyphenyl)acetic acid CAS 1611-03-6
| CAS No. | 1611-03-6 |
| Molecular Formula | C16H24O3 |
| Molecular Weight | 264.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3,5-Di-tert-butyl-4-hydroxyphenyl)acetic acid (CAS 1611-03-6), molecular formula C16H24O3 and molecular weight 264.36 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(3,5-Di-tert-butyl-4-hydroxyphenyl)acetic acid (C16H24O3) 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 264.36 g/mol, it falls into the medium-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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-(3,5-Di-tert-butyl-4-hydroxyphenyl)acetic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H24O3 |
| Molecular Weight | 264.36 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- 2,2'-(Mesitylmethylene)bis(1H-pyrrole) (CAS 159152-14-4)
- (2E)-1-(2-Methylphenyl)-3-[4-(propan-2-yl)phenyl]prop-2-en-1-one (CAS 1623003-45-1)
- tert-butyl N-(4-amino-1-phenylbutan-2-yl)carbamate (CAS 159025-91-9)
- tert-Butyl (2-(4-aminophenyl)-2-methylpropyl)carbamate (CAS 180081-10-1)
- 6-Methyl-5,6-dihydroindolizine (CAS 355114-79-3)
- (2Z)-3-hydroxy-1-(4-methoxyphenyl)-2-((4-methoxyphenyl)diazenyl)prop-2-en-1-one (CAS 77083-70-6)
- (R)-1-(2-Chloro-5-iodophenyl)ethanamine (CAS 1213644-51-9)
- 1-Benzyl-3-bromo-3-methylazetidine (CAS 1366037-48-0)
- 4-Methyl-2-(naphthalen-1-yl)pyrrolidine (CAS 603068-45-7)
- Gefitinib Impurity 43 (CAS CATO-C4X-111743)
- (3R)-3-Methylnipecotic acid ethyl ester (CAS 297172-01-1)
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- 1-Benzyl-n,2-dimethylpiperidin-4-amine (CAS 1248088-14-3)
- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
Why CATO?
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