3,5-Diiodo-DL-tyrosine CAS 66-02-4
| CAS No. | 66-02-4 |
| Molecular Formula | C9H9I2NO3 |
| Molecular Weight | 432.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3,5-Diiodo-DL-tyrosine is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, iodine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3,5-Diiodo-DL-tyrosine (CAS 66-02-4) is a high-purity analytical reference standard with the molecular formula C9H9I2NO3 and a molecular weight of 432.98 g/mol.
Structurally, 3,5-Diiodo-DL-tyrosine (C9H9I2NO3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, iodine substitution. 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 432.98 g/mol, it falls into the moderately-high-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).
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 3,5-Diiodo-DL-tyrosine 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 | C9H9I2NO3 |
| Molecular Weight | 432.98 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 1 |
Related Diiodo Standards
- 2,7-Diiodo-9h-fluoren-9-one (CAS 16218-30-7)
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Recommended Standards
- Nerandomilast impurity 8 (CAS CATO-C4X-34738)
- 3-Amino-3-(4-hydroxy-3,5-diiodophenyl)propanoic acid (CAS 3734-24-5)
- 3-(6-Chloro-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrrolo[2,3-b]pyridin-4-yloxy)-4-methylbenzoic acid (CAS 1415564-64-5)
- Clobetasol Propionate EP Impurity E (CAS CATO-C4X-159214)
- (2-(Hydroxymethyl)phenyl)propanal (CAS 14807-26-2)
- Ethyl 2-amino-2-cyclobutylacetate (CAS 1536099-38-3)
- 1-Methyl-2-oxo-1,2-dihydropyridine-4-carbonitrile (CAS 70411-83-5)
- 1215738-07-0 2-(2-Propen-1-yl)-(2-propyl-d7)propanedioic Acid 1,3-Diethyl Ester 2-Propenyl-(propyl-d7)-propanedioic Acid Diethyl Ester (CAS 1215738-07-0)
- 5-(2,5-Dimethoxyphenyl)-1-methyl-1H-imidazol-2-amine (CAS 918801-72-6)
- 4-(2,3-Dimethylphenoxy)-5-methoxy-2-phenylpyrimidine (CAS 478029-61-7)
- 1-Oxo-1,2-dihydroisoquinoline-3-carboxylic acid (CAS 7509-13-9)
- 3-aminorhodanine (CAS 1438-16-0)
- 1-(1-Piperazinyl)-2-propanone (CAS 103175-72-0)
- Peptide 435 (CAS CATO-CPTD788435)
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