7-(Chloromethyl)-12-methyltetraphene CAS 13345-62-5
| CAS No. | 13345-62-5 |
| Molecular Formula | C20H15Cl |
| Molecular Weight | 290.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 7-(Chloromethyl)-12-methyltetraphene is closely related to chlorine substitution, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
7-(Chloromethyl)-12-methyltetraphene (CAS 13345-62-5), molecular formula C20H15Cl and molecular weight 290.79 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7-(Chloromethyl)-12-methyltetraphene (C20H15Cl) contains chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 290.79 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 7-(Chloromethyl)-12-methyltetraphene 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 | C20H15Cl |
| Molecular Weight | 290.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl-containing |
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Recommended Standards
- tert-Butyl 2-((2-chloroacetamido)methyl)piperidine-1-carboxylate (CAS 1312455-22-3)
- tert-Butyl ((1-(2-chloroacetyl)piperidin-3-yl)methyl)carbamate (CAS 1353944-51-0)
- N-Adamantan-2-yl-2-chloro-nicotinamide (CAS 126497-81-2)
- tert-Butyl (2-(2-chloroacetamido)cyclohexyl)carbamate (CAS 1353944-59-8)
- 1-Benzyl 3-(tert-butyl) (S)-tetrahydropyridazine-1,3(2H)-dicarboxylate (CAS 72064-51-8)
- Potassium (5-bromothiophen-2-yl)trifluoroboranuide (CAS 1239370-98-9)
- 2-(Pyridin-3-ylmethylene)hydrazinecarbothioamide (CAS 555-90-8)
- Resorufin β-D-Galactopyranoside (CAS 95079-19-9)
- 1-(1H-Indazol-4-yl)ethanamine (CAS 1159511-31-5)
- (1-((Tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-4-yl)methanamine (CAS 1342584-81-9)
- (R)-2-(aminomethyl)pentanoic acid hydrochloride (CAS 528566-21-4)
- 2917-46-6 Silane,bis(chloromethyl)dimethyl- bis(chloromethyl)dimethylsilane (CAS 2917-46-6)
- (S)-4,4-difluoro-2-methylpyrrolidine hydrochloride (CAS 1917292-38-6)
- Des-Lys16-Tirzepatide (CAS CATO-CPTD788957)
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