Bis(p-chlorophenyl)dichloromethane CAS 7457-25-2
| CAS No. | 7457-25-2 |
| Molecular Formula | C13H8Cl4 |
| Molecular Weight | 306.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Bis(p-chlorophenyl)dichloromethane (CAS 7457-25-2), a certified reference material (molecular formula C13H8Cl4, MW 306.01 g/mol) for analytical method development and quality control.
Owing to chlorine substitution, an aromatic ring system, Bis(p-chlorophenyl)dichloromethane is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 306.01 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H8Cl4 |
| Molecular Weight | 306.01 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Cl-containing |
Recommended Standards
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- 8-bromo-2,4-dichloro-6-fluoro-quinazoline (CAS 864292-32-0)
- 4-Bromo-2-(bromomethyl)benzo[b]thiophene (CAS 1312118-04-9)
- tert-Butyl (3R)-3-(difluoromethyl)pyrrolidine-1-carboxylate (CAS 1443983-90-1)
- 3-(3-Methoxyphenyl)-5-methyl-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 1326811-79-3)
- 4,4,6-Trimethyl-1,3-dioxane-2-thione (CAS 102368-18-3)
- 2-(Pyrrolidin-1-yl)pentanenitrile (CAS 452899-52-4)
- cis/trans-1,3,5-Hexatriene (CAS 821-07-8)
- 3-Bromo-4-chloro-5-fluorobenzonitrile (CAS 1357944-86-5)
- (4-Bromo-2,6-dimethylphenyl)methanamine (CAS 1114822-90-0)
- 1,2:8,9-Dibenzpentacene (CAS 227-09-8)
- tert-Butyl 5-cyanoindoline-1-carboxylate (CAS 874841-30-2)
- 107444-51-9 0JS9125PIZ Glucagon-like peptide 1 (7-36) Glucagon-related peptide 1 (Rana catesbeiana), 3-L-glutamic acid-10-L-valine-16-glycine-17-L-glutamine-23-L-isoleucine-24-L-alanine-27-L-valine-30-L-argininamide-31-de-L-proline-32-de-L-lysine- Glp-I (7-36) Proglucagon (78-107) Human glucagon-like peptide-1-(7-36) amide Human GLP-1-(7-36)-amide Glucagon-like peptide-I(7-36) amide Rat GLP-I(7-36)amide Insulinotropin (human) MKC 253 UNII-0JS9125PIZ (CAS 107444-51-9)
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