3-(5-Nitro-2-(pyrrolidin-1-yl)benzylidene)indolin-2-one CAS 892637-20-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 892637-20-6 |
| Molecular Formula | C19H17N3O3 |
| Molecular Weight | 335.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(5-Nitro-2-(pyrrolidin-1-yl)benzylidene)indolin-2-one (CAS 892637-20-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H17N3O3. Molecular weight: 335.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H17N3O3 |
| Molecular Weight | 335.36 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Nitro Standards
- Methyl 3-nitro-2-[(phenylsulfonyl)methyl]benzenecarboxylate (CAS 860786-93-2)
- (5E)-5-{[3-nitro-4-(pyrrolidin-1-yl)phenyl]methylidene}-2-sulfanylidene-1,3-thiazolidin-4-one (CAS 554427-06-4)
- 127074-39-9 2-Nitro-N-(2-nitrophenyl)-N-phenyl-benzenamine Bis-(2-nitrophenyl)phenylamine (CAS 127074-39-9)
- 2-Nitro-N-(4-nitrophenyl)-N-phenylaniline (CAS 887407-14-9)
- Ethyl 2-(2-nitro-5-(pentafluoro-lambda6-sulfanyl)phenyl)acetate (CAS 1309569-23-0)
- Ethyl 2-(2-nitro-4-(pentafluoro-l6-sulfaneyl)phenyl)acetate (CAS 1394319-50-6)
- 1-Nitro-2-(tetradecyloxy)benzene (CAS 122329-02-6)
- 3-Nitro-4,4'-bis(trifluoromethyl)-1,1'-biphenyl (CAS 1261804-43-6)
Recommended Standards
- 2-Methoxy-6-[2-(4-phenyl-4H-[1,2,4]triazol-3-yl)-vinyl]-benzoic acid methyl ester(trans) (CAS 365542-64-9)
- 4-(3-Methoxybenzoyl)-N-(pyridin-3-ylmethyl)-1H-pyrrole-2-carboxamide (CAS 439111-65-6)
- 2-Methoxy-6-[2-(4-phenyl-4H-[1,2,4]triazol-3-yl)-vinyl]-benzoic acid methyl ester(cis/trans) (CAS 365542-63-8)
- 5-((3-Fluorophenyl)(4-methylpiperidin-1-yl)methyl)-2-methylthiazolo[3,2-b][1,2,4]triazol-6-ol (CAS 851810-39-4)
- (((9h-Fluoren-9-yl)methoxy)carbonyl)-l-methionyl-l-alanine (CAS 684237-41-0)
- (±)-Mandelic-2,3,4,5,6-d5 Acid (CAS 70838-71-0)
- Oxcarbazepine Impurity 25 (CAS 104839-39-6)
- 1-(3-Ethoxyphenyl)-2,2,2-trifluoroethan-1-one (CAS 1256467-24-9)
- (9R,20Z)-6-hydroxy-6,12-dioxo-5,7,11-trioxa-2-aza-6lambda(5)-phosphanonacos-20-en-9-yl (9Z)-octadec-9-enoate 1,2-Dioleoyl-sn-glycero-3-phosphoethanolamine-N-monomethyl 1,2-di-(9Z-octadecenoyl)-sn-glycero-3-phospho-N-methylethanolamine 1,2-dioleoyl-sn-glycero-3-phospho-N-methylethanolamine 96687-23-9 CHEBI:85962 MMPE(18:1(9Z)/18:1(9Z)) N-Methyl-1,2-dioleoylphosphatidylethanolamine PE-NMe(18:1(9Z)/18:1(9Z)) PE-NMe(18:1/18:1) (CAS 96687-23-9)
- Insulin Degludec Impurity 15 (CAS CATO-C4X-215715)
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 13829788188 / jacky.chen@cato-chem.com