4-Acetamido-3-amino-5-hydroxybenzoic acid CAS 162252-46-2
| CAS No. | 162252-46-2 |
| Molecular Formula | C9H10N2O4 |
| Molecular Weight | 210.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Acetamido-3-amino-5-hydroxybenzoic acid (C9H10N2O4) 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 210.19 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-Acetamido-3-amino-5-hydroxybenzoic acid (CAS 162252-46-2), molecular formula C9H10N2O4 and molecular weight 210.19 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Acetamido-3-amino-5-hydroxybenzoic acid 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 | C9H10N2O4 |
| Molecular Weight | 210.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 2003 |
| Nitrogen Atoms | 2 |
Related Acetamido Standards
- Methyl 6-acetamido-3-hydroxypicolinate (CAS 152824-40-3)
- 4-Acetamido-1-ethyl-3-methyl-1H-pyrazole-5-carboxamide (CAS 89239-63-4)
- 2-Acetamido-4-oxo-1,4-dihydropyrimidin-5-yl acetate (CAS 88405-61-2)
- 4-Acetamido-1-acetyl-1H-pyrazole-3-carboxylic acid (CAS 442870-49-7)
- 3-Acetamido-4-methoxybenzoic acid (CAS 130017-51-5)
- Methyl 2-acetamido-5-hydroxybenzoate, 97% (CAS 154664-44-5)
- 2-Acetamido-2-(3-hydroxyphenyl)acetic acid (CAS 72973-09-2)
- 2-Acetamido-2-(4-hydroxyphenyl)acetic acid (CAS 37784-25-1)
Recommended Standards
- 1-(5-(Hydroxymethyl)-2,5-dihydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 159163-65-3)
- ethyl 1,4,4-trifluorocyclohexanecarboxylate (CAS 1627933-14-5)
- Ethyl 2-(3-nitropyridin-2-yl)acetate (CAS 154078-83-8)
- 4-Methoxy-4-(trifluoromethyl)cyclohexane-1-carbaldehyde (CAS 1637310-72-5)
- 2-(Difluoromethyl)-3-methoxythiophene (CAS 2149591-23-9)
- Di-tert-Butylsilane di-t-butylsilane di-t-butyl silane di-tert-butyl silane Bis(1,1-dimethylethyl)silane 30736-07-3 (CAS 30736-07-3)
- IC-BT-Br (CAS 2222146-77-0)
- (2-(Allyloxy)-5-chlorophenyl)methanol (CAS 787619-52-7)
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)prop-2-en-1-one (CAS 1467860-07-6)
- (S)-2-Amino-N-ethyl-N-(4-fluorobenzyl)-3-methylbutanamide (CAS 1353994-63-4)
- Vilanterol Impurity 34 (CAS 503070-64-2)
- 773-64-8 Benzenesulfonyl chloride, 2,4,6-trimethyl- 2-Mesitylenesulfonyl chloride (8CI) Mesitylene-2-sulphonyl chloride 3-11-00-00346 (Beilstein Handbook Reference) BRN 1107601 EINECS 212-257-8 Mesitylenesulfonyl chloride 2-Mesitylenesulfonyl chloride Mesitylsulfonyl chloride NSC 403295 2,4,6-Trimethylbenzenesulfonyl chloride (CAS 773-64-8)
- Erythro-1,2-Diphenyl-2-(Propylamino)Ethanol (CAS 307310-75-4)
- Semaglutide impurity 270 (CAS CATO-C4X-2226270)
Why CATO?
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