2-Methylanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetraone CAS 67892-42-6
| CAS No. | 67892-42-6 |
| Molecular Formula | C25H12N2O4 |
| Molecular Weight | 404.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Methylanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetraone (C25H12N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 21.0, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 404.37 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
2-Methylanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetraone (CAS 67892-42-6) is a high-purity analytical reference standard with the molecular formula C25H12N2O4 and a molecular weight of 404.37 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Methylanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetraone 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 | C25H12N2O4 |
| Molecular Weight | 404.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 2,2'-(1,4-DIoxo-3,6-diphenylpyrrolo[3,4-c]pyrrole-2,5(1h,4h)-diyl)diacetic acid (CAS 632286-84-1)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-nitrobenzoic acid (CAS 212118-80-4)
- 2,2'-((1,4-Phenylenebis(azanediyl))bis(carbonyl))dibenzoic acid (CAS 7084-12-0)
- 3-Hydroxy-5-[(1Z)-2-(4-hydroxyphenyl)ethenyl]phenyl β-D-Glucopyranosiduronic Acid (CAS 387372-23-8)
- Phenyl methylcarbamate (CAS 1943-79-9)
- 4-(4-Fluorobenzyl)tetrahydro-2h-thiopyran-4-carboxylic acid 1,1-dioxide (CAS 1922897-51-5)
- 2-(Pyridin-4-ylmethylene)hydrazinecarbothioamide (CAS 1200-00-6)
- (R)-1-Isopropyl-3-methyl-piperazine dihydrochloride (CAS 1965314-63-9)
- 4-Bromo-3-chloro-5-methyl-2-nitropyridine (CAS 1805584-28-4)
- Nebivolol-D6 (CAS 99200-09-6 (unlabeled))
- 6-Bromo-1,1-dimethylindane (CAS 67159-88-0)
- 1-(1,1-Dioxidotetrahydrothiophen-3-yl)-5-(1h-pyrrol-1-yl)-1h-pyrazole-4-carboxylic acid (CAS 1242282-02-5)
- Methyl 2-(3,4-dichlorophenyl)benzoate (CAS 1820705-26-7)
- (β-Asp5)-Delta-Sleep Inducing Peptide (CAS 82602-88-8)
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