Diindeno(1,2,3-cd-1',2',3'-lm)perylene CAS 188-94-3
| CAS No. | 188-94-3 |
| Molecular Formula | C32H16 |
| Molecular Weight | 400.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Diindeno(1,2,3-cd-1',2',3'-lm)perylene is closely related to a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Diindeno(1,2,3-cd-1',2',3'-lm)perylene (CAS 188-94-3), molecular formula C32H16 and molecular weight 400.47 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C32H16, Diindeno(1,2,3-cd-1',2',3'-lm)perylene contains a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 400.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Diindeno(1,2,3-cd-1',2',3'-lm)perylene 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.
Physical & Chemical Properties
| Molecular Formula | C32H16 |
| Molecular Weight | 400.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 25.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Diindeno Standards
- Diindeno[7,1-qr:1′,7′-st][1,4,7,10,13,16]hexaoxacycloheneicosin, 5,6,8,9,11,12,14,15,17,18,23,24,25,26-tetradecahydro-, (24aR)- (CAS 879014-42-3)
- Diindeno[7,1-de:1′,7′-fg][1,3,2]dioxaphosphocin, 1,9-dibromo-10,11,12,13-tetrahydro-5-hydroxy-, 5-oxide, (11aS)- (CAS 2445479-69-4)
- Diindeno[1,2,3,4-defg:1',2',3',4'-mnop]chrysene (CAS 169331-80-0)
- Diindeno[7,1-de:1′,7′-fg][1,3,2]dioxaphosphocin, 3,7-bis[3,5-bis(1,1-dimethylethyl)phenyl]-10,11,12,13-tetrahydro-5-hydroxy-, 5-oxide, (11aS)- (CAS 2280013-47-8)
- Diindeno[7,1-de:1′,7′-fg][1,3,2]dioxaphosphocin, 10,11,12,13-tetrahydro-5-hydroxy-3,7-bis[2,4,6-tris(1-methylethyl)phenyl]-, 5-oxide (CAS 2171300-28-8)
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