(E)-[2,3'-Biindolinylidene]-2',3-dione CAS 397242-72-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 397242-72-7 |
| Molecular Formula | C16H10N2O2 |
| Molecular Weight | 262.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-[2,3'-Biindolinylidene]-2',3-dione (CAS 397242-72-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H10N2O2. Molecular weight: 262.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H10N2O2 |
| Molecular Weight | 262.26 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.) | 2025 |
| Nitrogen Atoms | 2 |
Related E Standards
Recommended Standards
- (E)-1-morpholino-3-(4-nitrophenyl)prop-2-en-1-one (CAS 21497-13-2)
- (3E)-3-[(4-methyl-2-nitro-phenyl)hydrazono]piperidin-2-one (CAS 94850-47-2)
- (E)-2-((furan-3-ylmethylene)amino)-5-phenylfuran-3-carbonitrile (CAS 478033-43-1)
- (2,2-Diethoxyethyl)hydrazine (CAS 42351-81-5)
- 6813U5R1GP 1955-45-9 Pivalolactone 2-Oxetanone, 3,3-dimethyl- 5-17-09-00032 (Beilstein Handbook Reference) BRN 1280648 CCRIS 524 Dimethyl propiolactone 3,3-Dimethyl-2-oxetanone 3,3-Dimethyl-2-oxethanone alpha,alpha-Dimethyl-beta-propiolactone 3,3-Dimethyl-beta-propiolactone HSDB 4117 NCI-C04126 Pivalic acid lactone Propanoic acid, 3-hydroxy-2,2-dimethyl-, beta-lactone UNII-6813U5R1GP (CAS 1955-45-9)
- 4-Methoxyphenyl 2-chloroacetate (CAS 36560-13-1)
- Ethyl 1-(2-chloropropanoyl)piperidine-4-carboxylate (CAS 731012-11-6)
- 6-Chloro-4-(difluoromethyl)-5-methoxypyridin-3-amine (CAS 1806070-37-0)
- 4-(Difluoromethyl)-6-fluoronicotinaldehyde (CAS 1805306-89-1)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788679)
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