H-3,5-Diiodo-Tyr-OMe · HCl CAS 151266-48-7
| CAS No. | 151266-48-7 |
| Molecular Formula | C10H11I2NO3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
H-3,5-Diiodo-Tyr-OMe · HCl (C10H11I2NO3HCl) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/iodine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
H-3,5-Diiodo-Tyr-OMe · HCl (CAS 151266-48-7), molecular formula C10H11I2NO3HCl and molecular weight 483.46 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | C10H11I2NO3 HCl |
| Molecular Weight | 483.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | >95% |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 1 |
Related H Standards
- 3,7-Diiodo-1H-indazole (CAS 1000342-61-9)
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- 4,5-Diiodo-2-phenyl-1H-imidazole (CAS 10045-66-6)
- 2,2'-Diiodo-6,6'-dimethoxy-1,1'-biphenyl (CAS 100871-97-4)
- 3,5-Diiodo-4-pyridone-1-acetic Acid (CAS 101-29-1)
- 3,5-Diiodo-4-(4-methoxyphenoxy)-benzenepropanoic Acid Ethyl Ester (CAS 101792-51-2)
Recommended Standards
- 2-(Pyridin-3-ylmethyl)pyridine (CAS 128802-93-7)
- D-Penicillamine (CAS 52-67-5)
- N-(3-(Cyclopropylmethoxy)-2-hydroxyphenyl)methanesulfonamide (CAS 1243358-11-3)
- 1,4-Bis(allyloxy)anthracene-9,10-dione (CAS 79207-97-9)
- 2-(Bromomethyl)-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxaldehyde (CAS 1804752-16-6)
- H-Leu-D-Leu-OH (CAS 17665-02-0)
- N-(4-(Benzyloxy)phenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 618879-61-1)
- (3R,4R)-3,4-dimethylpiperidin-3-ol hydrochloride (CAS 1951439-22-7)
- (1-Ethyl-1h-pyrazol-5-yl)methanol (CAS 1007488-29-0)
- Semaglutide impurity 255 (CAS CATO-C4X-2226255)
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