Pentachlorophenyl Laurate CAS 3772-94-9
| CAS No. | 3772-94-9 |
| Molecular Formula | C18H23Cl5O2 |
| Molecular Weight | 448.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Pentachlorophenyl Laurate (CAS 3772-94-9), molecular formula C18H23Cl5O2 and molecular weight 448.64 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Pentachlorophenyl Laurate (C18H23Cl5O2) contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 448.64 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C18H23Cl5O2 |
| Molecular Weight | 448.64 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
Related Pentachlorophenyl Standards
- (2,3,4,5,6-Pentachlorophenyl)methyl 4-(diethylamino)-3-fluorobenzoate (CAS 329701-56-6)
- (2,3,4,5,6-Pentachlorophenyl)methyl 4-methyl-1,3-thiazole-5-carboxylate (CAS 329695-79-6)
- Pentachlorophenyl dichloroacetate (CAS 19745-69-8)
- (2,3,4,5,6-Pentachlorophenyl)methyl 3-ethyl-4-methanesulfonyl-2-methoxybenzoate (CAS 329701-57-7)
- 5-(Pentachlorophenyl)-1,2,3,4,7,7-hexachloro-2-norbornene (CAS 36439-47-1)
- Methyl-Pentachlorophenyl Sulfide (CAS 1825-19-0)
- 1-[Bis(2,3,4,5,6-pentachlorophenyl)methyl]-2,3,4,5,6-pentachlorobenzene (CAS 33240-61-8)
- Pentachlorophenyl(tetrahydrothiophene)gold (CAS 71521-30-7)
Recommended Standards
- Deoxycholic acid Impurity 28 (CAS 2309-12-8)
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- Deoxycholic acid Impurity 16 (CAS CATO-C4X-335916)
- [(2-Dimethylamino)propyldiphenylphosphine]palladium(II) Dichloride (CAS 85719-56-8)
- 6-(4-(2-(2-Methoxyphenoxy)ethyl)piperazin-1-yl)-9H-purine (CAS 24926-58-7)
- (2-(Ethoxymethyl)-4-fluorophenyl)boronic acid (CAS 1704063-87-5)
- 4-Chloro-3-(1,1-difluoroethyl)-1H-pyrazolo[4,3-c]pyridine (CAS 2756656-91-2)
- Irbesartan Impurity 26 (CAS CATO-C4X-166626)
- 1-(4,6-Dichloro-2-methylpyrimidin-5-yl)ethan-1-one (CAS 1663485-97-9)
- (2S,6S)-Benzyl 2-(cyanomethyl)-6-methylpiperazine-1-carboxylate (CAS 2759855-87-1)
- (S)-2-Amino-3-(4-vinylphenyl)propanoic acid (CAS 61262-56-4)
- 4-Amino-6-chloro-2-(methylthio)pyrimidine (CAS 1005-38-5)
- Rivaroxaban Impurity 87 (CAS CATO-C4X-109087)
- Ac, Gastrin Releasing Peptide (20-27), porcine (CAS 77714-20-6)
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