m-Quarterphenyl CAS 1166-18-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1166-18-3 |
| Molecular Formula | C24H18 |
| Molecular Weight | 306.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
m-Quarterphenyl (CAS 1166-18-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H18. Molecular weight: 306.40 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H18 |
| Molecular Weight | 306.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
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- 1171522-05-6 4-(2-Fluorophenyl)-5-(2-piperidin-1-ylethyl)-4H-1,2,4-triazole-3-thiol MFCD14282082 (CAS 1171522-05-6)
- 2'-Phenyl-m-terphenyl (CAS 1165-14-6)
- 2,6-DifluorobenzoylisocyanateDiscontinued (CAS 60731-73-9)
- 3-Fluoro-4'-formyl-3'-nitro-[1,1'-biphenyl]-4-carboxylic acid (CAS 1403483-89-5)
- 8,8-Difluoro-2-azaspiro[4.5]decan-1-one (CAS 1935355-06-8)
- 1-[[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl]cyclopropanesulfonic acid (CAS 1262832-99-4)
- 4-bromo-6-fluoro-isoquinoline (CAS 1416500-78-1)
- 1-N-(2-Phenylethyl)benzene-1,4-diamine (CAS 39563-55-8)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
Why CATO?
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