Ethyl 2-{2,4-dichloro-5-[5-(4-nitrophenyl)-1H-1,2,3,4-tetrazol-1-yl]phenoxy}acetate CAS 338961-66-3
| CAS No. | 338961-66-3 |
| Molecular Formula | C17H13Cl2N5O5 |
| Molecular Weight | 438.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Ethyl 2-{2,4-dichloro-5-[5-(4-nitrophenyl)-1H-1,2,3,4-tetrazol-1-yl]phenoxy}acetate 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.
Ethyl 2-{2,4-dichloro-5-[5-(4-nitrophenyl)-1H-1,2,3,4-tetrazol-1-yl]phenoxy}acetate (CAS 338961-66-3), molecular formula C17H13Cl2N5O5 and molecular weight 438.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 2-{2,4-dichloro-5-[5-(4-nitrophenyl)-1H-1,2,3,4-tetrazol-1-yl]phenoxy}acetate (C17H13Cl2N5O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 438.22 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H13Cl2N5O5 |
| Molecular Weight | 438.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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 DMSO, DMF, methanol |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Ethyl Standards
- 3-(5,6-Dichloro-1-{[3-(trifluoromethyl)phenyl]methyl}-1H-1,3-benzodiazol-2-yl)-1,2-dihydropyridin-2-one (CAS 338412-16-1)
- 5-(5,6-Dichloro-1-{[3-(trifluoromethyl)phenyl]methyl}-1H-1,3-benzodiazol-2-yl)-1,2-dihydropyridin-2-one (CAS 338774-01-9)
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Recommended Standards
- (E)-6-(2-((4-iodophenyl)amino)vinyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidine-3-carbonitrile (CAS 338966-86-2)
- (Z)-N-(3-Bromo-4-fluorophenyl)-N’-hydroxy-4-[[2-(sulfamoylamino)ethyl]amino]-1,2,5-oxadiazole-3-carboxamidine (CAS 1204669-58-8)
- Ixazomib Impurity 75 (CAS CATO-C4X-126775)
- (E)-1-(4-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)phenyl)-3-(4-chlorophenyl)prop-2-en-1-one (CAS 338401-30-2)
- 2-Methyl-N-propylaniline (CAS 83627-55-8)
- N-(5-(3-(2-Chlorophenyl)acryloyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)pyrazine-2-carboxamide (CAS 1351663-87-0)
- (3-(Aminomethyl)piperidin-1-yl)(thiophen-3-yl)methanone (CAS 1250535-86-4)
- 3-[5-amino-3-(2,4-dimethylphenyl)-1h-pyrazol-1-yl]-1lambda6-thiolane-1,1-dione (CAS 1152682-95-5)
- (2S)-1,5-dimethylpyrrolidine-2-carboxylic acid (CAS 1933769-60-8)
- 2-(5-Fluoro-2-nitrophenoxy)-N-isopropylacetamide (CAS 850183-39-0)
- Ethyl 2-amino-5-cyano-4-phenylthiophene-3-carboxylate (CAS 281195-24-2)
- 2-(1-Benzyl-3-pyrrolidinyl)acetic acid (CAS 666853-92-5)
- 7440-44-0 Carbon K 257 U 02 Acticarbone Activated carbon Activated charcoal Adsorbit AG 5 AG 3 (Adsorbent) AG 5 (Adsorbent) AK (Adsorbent) Amoco PX 21 Anthrasorb Aqua nuchar AR 3 ART 2 AU 3 BAU BG 6080 Black 140 Black pearls Calcotone Black Canesorb Carbolac Carbon-12 Carbon, colloidal Carbopol M Carbopol Z 4 Carbopol Z Extra Carbopol Extra Carbosieve Carbosorbit R Caswell No. 161 Cecarbon CF 8 CF 8 (Carbon) CLF II CMB 200 CMB 50 Coke powder Colgon BPL Colgon PCB-D Colgon PCB 12X30 Columbia LCK Conductex CUZ 3 CWN 2 Darco EINECS 231-153-3 EPA Pesticide Chemical Code 016001 Filtrasorb Filtrasorb 200 Filtrasorb 400 Grosafe HSDB 5037 Hydrodarco Irgalite 1104 Jado MA 100 (Carbon) Norit Nuchar OU-B Pelikan C 11/1431a SKG SKT SKT (adsorbent) SU 2000 Suchar 681 Supersorbon S 1 Supersorbon IV Watercarb Witcarb 940 XE 340 XF 4175L CCRIS 8681 EC 231-153-3 Graphite, synthetic UN1362 (CAS 7440-44-0)
- Heptapeptide-6 (CAS CATO-CPTD788823)
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