3-(2,3-Dimethylphenyl)-5,6,7,8-tetrahydro-5,8-methanocinnoline CAS 918875-04-4
| CAS No. | 918875-04-4 |
| Molecular Formula | C17H18N2 |
| Molecular Weight | 250.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(2,3-Dimethylphenyl)-5,6,7,8-tetrahydro-5,8-methanocinnoline (CAS 918875-04-4) is a high-purity analytical reference standard with the molecular formula C17H18N2 and a molecular weight of 250.34 g/mol.
Structurally, 3-(2,3-Dimethylphenyl)-5,6,7,8-tetrahydro-5,8-methanocinnoline (C17H18N2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 250.34 g/mol, it falls into the medium-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 3-(2,3-Dimethylphenyl)-5,6,7,8-tetrahydro-5,8-methanocinnoline 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 | C17H18N2 |
| Molecular Weight | 250.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Dimethylphenyl Standards
- N-(2,3-dimethylphenyl)-2-(ethyl(2-hydroxyethyl)amino)acetamide (CAS 1311822-67-9)
- 3-(2,4-Dimethylphenyl)-1-methyl-1H-indol-2-amine (CAS 62693-65-6)
- 3-(2,4-Dimethylphenyl)-5,6,7,8-tetrahydro-5,8-methanocinnoline (CAS 918875-10-2)
- 3,5-Dimethylphenyl ((2S)-4-(dimethylamino)pyrrolidine-2-carbonyl)carbamate (CAS 60309-74-2)
- N-(2,6-Dimethylphenyl)-2-((2-methoxyethyl)(methyl)amino)acetamide (CAS 22759-46-2)
- (2E)-1-(2,4-Dimethylphenyl)-3-(2-methylphenyl)prop-2-en-1-one (CAS 1061485-22-0)
- (2E)-1-(2,4-Dimethylphenyl)-3-(3-methylphenyl)prop-2-en-1-one (CAS 1061642-64-5)
- (2E)-1-(2,4-Dimethylphenyl)-3-(4-methylphenyl)prop-2-en-1-one (CAS 200934-19-6)
Recommended Standards
- 3-((Thiophen-2-ylthio)methyl)benzoic acid (CAS 845266-20-8)
- 3-((1H-Benzo[d][1,2,3]triazol-1-yl)methyl)thiazolidine-2-thione (CAS 849414-04-6)
- 2-Heptyl-5-methyl-1,3a-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol (CAS 88104-26-1)
- 3-(2-Phenyl-1H-indol-1-yl)propylamine (CAS 19931-88-5)
- 4-Cyclopropoxy-2-ethyl-6-isopropylpyridine (CAS 1243344-57-1)
- 2-Chloro-N-methyl-5H-pyrrolo[3,2-d]pyrimidin-4-amine (CAS 1375301-41-9)
- Ethyl 8-oxo-6,7,8,9-tetrahydro-5H-pyrrolo[1,2-a]azepine-2-carboxylate (CAS 1400927-61-8)
- tert-Butyl N-(5-bromo-3-ethynylpyrazin-2-yl)-N-(tert-butoxycarbonyl)carbamate (CAS 1232423-55-0)
- 5-bromo-2-methoxybenzene-1-thiol (CAS 90150-99-5)
- 3-(4,5-Dimethylthiazol-2-yl)propan-1-amine dihydrochloride (CAS 1268991-06-5)
- Calcipotriol Impurity 29 (CAS CATO-C4X-122229)
- 1-(2,3-Difluoro-4-(trifluoromethyl)phenyl)ethan-1-one (CAS 237761-82-9)
- (S)-2-hydroxy-1-(piperazin-1-yl)propan-1-one oxalate (CAS 1592609-60-3)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
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