(Z)-3-((2-chloroacetoxy)imino)-1-(4-methylbenzyl)indolin-2-one CAS 303149-28-2
| CAS No. | 303149-28-2 |
| Molecular Formula | C18H15ClN2O3 |
| Molecular Weight | 342.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, (Z)-3-((2-chloroacetoxy)imino)-1-(4-methylbenzyl)indolin-2-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 342.78 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
(Z)-3-((2-chloroacetoxy)imino)-1-(4-methylbenzyl)indolin-2-one (CAS 303149-28-2), molecular formula C18H15ClN2O3 and molecular weight 342.78 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.
CATO manufactures (Z)-3-((2-chloroacetoxy)imino)-1-(4-methylbenzyl)indolin-2-one 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 | C18H15ClN2O3 |
| Molecular Weight | 342.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Z Standards
- 3-Chloroacetoxy-2-naphthoicacidanilide (CAS 84522-14-5)
- N-(2-Chloroacetoxy)-2-(quinolin-8-yloxy)acetimidamide (CAS 88757-14-6)
- (Z)-3-((2-chloroacetoxy)imino)-1-(3-(trifluoromethyl)benzyl)indolin-2-one (CAS 303996-88-5)
- 4-(Chloroacetoxy)butyl acrylate (CAS 157525-13-8)
- N-(Chloroacetoxy)succinimide (CAS 27243-15-8)
- 2-(2-chloroacetoxy)acetic acid (CAS 30450-82-9)
Recommended Standards
- (Z)-3-(((4-chlorobutanoyl)oxy)imino)-1-phenylindolin-2-one (CAS 478261-24-4)
- [(3Z)-1-[(4-Chlorophenyl)methyl]-5-methyl-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino acetate (CAS 320420-83-5)
- (R)-2-(4-Chlorobenzamido)-3-(1H-indol-3-yl)propanoic acid (CAS 95672-29-0)
- [1-(4-Chlorophenyl)-1H-1,2,3-triazol-4-yl]methyl N-(2-methylphenyl)carbamate (CAS 338419-20-8)
- [(3-Fluorophenyl)methyl][1-(4-fluorophenyl)propyl]amine (CAS 1039916-93-2)
- (±)-1-Bromo-2-ethylhexane-d17 (CAS 1398065-97-8)
- Lead(II) perchlorate trihydrate (CAS 13453-62-8)
- 1-(2-Chloroethyl)-2-ethyl-1H-imidazole hydrochloride (CAS 1158269-27-2)
- [1-(2-fluorophenyl)-1h-pyrazol-3-yl]methanol (CAS 1482422-89-8)
- Methyl 1-oxo-1,2-dihydroisoquinoline-8-carboxylate (CAS 1368336-35-9)
- Alectinib Impurity 75 (CAS CATO-C4X-283675)
- 4-Bromo-1H-indazole-6-boronic acid pinacol ester (CAS 2379560-97-9)
- 4-Phenyltetrahydro-2H-pyran-4-ol (CAS 81462-07-9)
- Peptide 74 (H-8545.0500) (CAS 132116-39-3)
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