8,9,10,11-Tetrachloro-12H-phthaloperin-12-one CAS 20749-68-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20749-68-2 |
| Molecular Formula | C18H6Cl4N2O |
| Molecular Weight | 408.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 8,9,10,11-Tetrachloro-12H-phthaloperin-12-one (CAS 20749-68-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H6Cl4N2O. Molecular weight: 408.07 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H6Cl4N2O |
| Molecular Weight | 408.07 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Tetrachloro Standards
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- 3-(4,5,6,7-Tetrachloro-1,3-dioxoisoindolin-2-yl)benzoic acid (CAS 351998-37-3)
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Recommended Standards
- 3-[1-[Difluoro[(trifluoroethenyl)oxy]methyl]-1,2,2,2-tetrafluoroethoxy]-2,2,3,3-tertrafluoropropanoic acid (CAS 69087-46-3)
- (S)-4-(tert-Butoxy)-2-(3,5-dibromophenyl)-4-oxobutanoic acid (CAS 2615912-70-2)
- 2-((6,8-Dibromo-3-methyl-4-oxo-3,4-dihydroquinazolin-2-yl)thio)acetic acid (CAS 886501-04-8)
- N-Phenylpropanamide-d3 (CAS 1346598-63-7)
- N4,N4-dimethyl-N2-(thietan-3-yl)pyridine-2,4-diamine (CAS 1882033-88-6)
- (E)-[1-(4-Methyl-2-phenyl-1,3-thiazol-5-yl)ethylidene]amino N-(2,4-dichlorophenyl)carbamate (CAS 477858-14-3)
- tert-Butyl 3-amino-3-methylpiperidine-1-carboxylate (CAS 1158759-06-8)
- (S)-2-Amino-3-(7-amino-1H-indol-3-yl)propanoic acid (CAS 1065237-08-2)
- tert-Butyl 4-(2-cyano-2-hydroxyethyl)piperidine-1-carboxylate (CAS 885516-98-3)
- Peptide Impurity 09 X TFA Salt (CAS CATO-CPTD788809)
Why CATO?
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