Na-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-l-tyrosinol CAS 220237-31-0
| CAS No. | 220237-31-0 |
| Molecular Formula | C19H25NO4 |
| Molecular Weight | 331.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Na-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-l-tyrosinol is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Na-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-l-tyrosinol (CAS 220237-31-0), molecular formula C19H25NO4 and molecular weight 331.41 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Na-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-l-tyrosinol is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 331.41 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), Na-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-l-tyrosinol 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 | C19H25NO4 |
| Molecular Weight | 331.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Nitrogen Atoms | 1 |
Related Na Standards
- 2-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-oxo-4-propylpyrimidin-1(6H)-yl)-N-propylacetamide (CAS 1002043-56-2)
- 2-(4-((3,5-Dimethyl-1H-pyrazol-1-yl)methyl)piperidin-1-yl)-N-(5-methylisoxazol-3-yl)acetamide (CAS 1396865-98-7)
- 1,3-Dimethyl-7-(2-methylallyl)-8-(4-methylpiperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione (CAS 585559-31-5)
- Propyl 4-((5,6-dimethyl-2H-pyran-2-yl)(ethoxy)amino)benzoate (CAS 20983-84-0)
- 4,6-Dimethyl-1-(2-methylallyl)-3-(m-tolylsulfonyl)pyridin-2(1H)-one (CAS 866051-49-2)
- 4,6-Dimethyl-1-(2-methylallyl)-3-(o-tolylsulfonyl)pyridin-2(1H)-one (CAS 477864-60-1)
- 4,6-Dimethyl-1-(2-methylallyl)-3-tosylpyridin-2(1H)-one (CAS 866051-46-9)
- Dimethyl 5-(m-tolyl)-1H,3H-pyrrolo[1,2-c]thiazole-6,7-dicarboxylate (CAS 339113-00-7)
Recommended Standards
- N,N-Diethyl-2-(6-(4-fluorophenyl)imidazo[2,1-b]thiazol-3-yl)acetamide (CAS 897463-61-5)
- N-benzyl-1,1-bis(4-methoxyphenyl)methanimine (CAS 524-96-9)
- N,N'-((((1E,1'E)-Pyridine-2,6-diylbis(ethan-1-yl-1-ylidene))bis(azanylylidene))bis(ethane-2,1-diyl))diacetamide (CAS 908864-14-2)
- N-Butyl-2,4-dioxo-3-pentyl-1,2,3,4-tetrahydroquinazoline-7-carboxamide (CAS 892263-02-4)
- 1-(3,4-Dimethylphenyl)butan-1-one (CAS 35028-15-0)
- (S)-2-Acetamido-4,4-dimethylpentanoic acid (CAS 112674-65-4)
- 1-(3,5-Dimethylisoxazol-4-yl)-N-methylmethanamine hydrochloride (CAS 1177326-01-0)
- Methyl 2-(4-amino-1h-indol-1-yl)acetate (CAS 1343385-31-8)
- 2-Methyl-N-(pentan-2-yl)pyridin-3-amine (CAS 1542409-62-0)
- 2-(4-Bromo-phenylsulfanylmethyl)-4-chloro-5,6,7,8-tetrahydro-benzo[4,5]thieno[2,3-d]pyrimidine (CAS 556020-42-9)
- Azilsartan Impurity 172 (CAS CATO-C4X-1096172)
- (1S,2S)-2-Piperazin-1-yl-cyclohexanol 3674AF 936940-36-2 C10H20N2O (CAS 936940-36-2)
- (1-(3-Bromo-5-fluorobenzyl)cyclopropyl)methanamine (CAS 1520956-86-8)
- Hexapeptide-11 (CAS 100684-36-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com