12,13,71,72-Tetrahydro-11H,51H-2,4,6,8-tetraaza-1,5(1,3)-diisoindolina-3,7(2,6)-dipyridinacyclooctaphane CAS 343-44-2
| CAS No. | 343-44-2 |
| Molecular Formula | C26H16N8 |
| Molecular Weight | 440.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 12,13,71,72-Tetrahydro-11H,51H-2,4,6,8-tetraaza-1,5(1,3)-diisoindolina-3,7(2,6)-dipyridinacyclooctaphane is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
12,13,71,72-Tetrahydro-11H,51H-2,4,6,8-tetraaza-1,5(1,3)-diisoindolina-3,7(2,6)-dipyridinacyclooctaphane (CAS 343-44-2), molecular formula C26H16N8 and molecular weight 440.46 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 12,13,71,72-Tetrahydro-11H,51H-2,4,6,8-tetraaza-1,5(1,3)-diisoindolina-3,7(2,6)-dipyridinacyclooctaphane (C26H16N8) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 23.0, corresponding to approximately 23 ring(s) or double-bond equivalent(s). With a molecular weight of 440.46 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.
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.
CATO manufactures 12,13,71,72-Tetrahydro-11H,51H-2,4,6,8-tetraaza-1,5(1,3)-diisoindolina-3,7(2,6)-dipyridinacyclooctaphane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C26H16N8 |
| Molecular Weight | 440.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 8 |
Related Tetrahydro Standards
- 4,5,6,7-Tetrahydro-5-(triphenylmethyl)thieno[3,2-c]pyridin-2-ol 2-Acetate (CAS 1151904-83-4)
- 2,3,6,7-Tetrahydro-4'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-spiro[4H-azepine-4,2'-[2H-1]benzopyran]-1(5H)-carboxylic acid 1,1-dimethylethyl ester (CAS 911229-46-4)
- 3,4,5,6-Tetrahydro-1H-azepino[4,3,2-cd]indole (CAS 5698-18-0)
- 1-[4-(Tetrahydro-pyran-4-yl)-piperidin-1-yl]-nonadecan-1-one (CAS 865074-89-1)
- 3β,5β-Tetrahydro Cortisone 3,21-Diacetate (CAS 4003-93-4)
- 2,5-Bis((2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinolin-9-yl)methylene)cyclopentan-1-one (CAS 125594-50-5)
- 2-(((Tetrahydro-2H-pyran-2-yl)methyl)thio)-3-(p-tolyl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 586988-98-9)
- (17β)-3,17-Bis[(tetrahydro-2H-pyran-2-yl)oxy]-estra-1,3,5(10)-trien-6-one (CAS 53573-82-3)
Recommended Standards
- 7-Benzyl-4-(4-(trifluoromethyl)benzyl)-2,4,6,7,8,9-hexahydroimidazo[1,2-a]pyrido[3,4-e]pyrimidin-5(1H)-one (CAS 1807861-48-8)
- 2-[(5Z)-4-Oxo-2-sulfanylidene-5-{[2-(trifluoromethyl)phenyl]methylidene}-1,3-thiazolidin-3-yl]-octahydro-1H-isoindole-1,3-dione (CAS 477886-65-0)
- 2-(Acetoxymethyl)-6-(phenylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 13992-16-0)
- 3-(1-((2-Fluoro-[1,1'-biphenyl]-4-yl)oxy)ethyl)-1-((4-fluorophenyl)sulfonyl)-1H-pyrazole (CAS 477711-02-7)
- Methocarbamol D3 (CAS 1346600-86-9)
- Decyclopentyl Methyl Zafirlukast (CAS 1159195-67-1)
- Triisopropylsilanethiol (CAS 156275-96-6)
- 1-Bromo-4-[(2-methoxyethoxy)methyl]benzene (CAS 166959-29-1)
- N-Methyl-(2-thienylmethyl)amine Hydrochloride (CAS 7404-67-3)
- N-[4-[[3-(4-Hydroxy-3-methoxyphenyl)-1-oxo-2-propen-1-yl]amino]butyl]carbamic Acid 1,1-Dimethylethyl Ester (CAS 1208876-43-0)
- Methotrexate impurity 56 (CAS CATO-C4X-115456)
- 5-Benzoyl-N,N-dimethyl-3-(pyridin-3-yl)thiophen-2-amine (CAS 1383543-20-1)
- N-(2,4-Dimethoxyphenyl)-3-(3-phenoxyphenyl)acrylamide (CAS 478258-23-0)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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