Piperazine, 1,4-bis[(p-chlorophenoxy)acetyl]- CAS 4190-83-4
| CAS No. | 4190-83-4 |
| Molecular Formula | C20H20Cl2N2O4 |
| Molecular Weight | 423.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Piperazine, 1,4-bis[(p-chlorophenoxy)acetyl]- is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Piperazine, 1,4-bis[(p-chlorophenoxy)acetyl]- (CAS 4190-83-4), molecular formula C20H20Cl2N2O4 and molecular weight 423.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Piperazine, 1,4-bis[(p-chlorophenoxy)acetyl]- (C20H20Cl2N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 423.29 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Piperazine, 1,4-bis[(p-chlorophenoxy)acetyl]- 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 | C20H20Cl2N2O4 |
| Molecular Weight | 423.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Piperazine Standards
- (Piperazine-1,4-diylbis(methylene))bis(phosphonicacid) (CAS 89280-71-7)
- Piperazine impurity 51 (CAS CATO-C4X-242751)
- 3,3'-(piperazine-1,4-diyl)bis(1-(2-methyl-5-nitro-1H-imidazol-1-yl)propan-2-ol) (CAS 157493-58-8)
- 2,2'-(Piperazine-1,4-dicarbonyl)dibenzoic acid (CAS 195526-67-1)
- Piperazine Impurity 65 (CAS CATO-C4X-242765)
- Piperazine Impurity 48 (CAS CATO-C4X-242748)
- Piperazine-1,4-diylbis((4-chlorophenyl)methanone) (CAS 107785-63-7)
- Piperazine Impurity 35 (CAS CATO-C4X-242735)
Recommended Standards
- N,2-bis(4-chlorophenyl)-N-methyl-1-oxo-1,2-dihydroisoquinoline-4-carboxamide (CAS 439140-70-2)
- Baclofen impurity 73（E-Isomer） (CAS CATO-C4X-101273)
- N-(3,5-dichlorophenyl)-2-(4-methoxyphenyl)quinoline-4-carboxamide (CAS 332157-16-1)
- Clevidipine butyrate Impurity 21 (CAS 175688-78-5)
- 4-Chloro-3-methyl-2,2-diphenylbutyronitrile (CAS 133132-74-8)
- 6-amino-1-(cyclopentylmethyl)-1,2,3,4-tetrahydroquinolin-2-one (CAS 1308263-41-3)
- 4-(3-Chlorophenyl)-5-(trimethylsilyl)-1H-pyrazole-3-carbonitrile (CAS 89864-92-6)
- Tricyclohexylphosphonium trifluoromethanesulfonate (CAS 952649-12-6)
- 1-(Isobutoxycarbonyl)pyrrolidine-2-carboxylic acid (CAS 1161601-91-7)
- 1-(2-Fluorophenyl)-6-(thiophen-2-yl)-1h-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011398-29-0)
- Ethyl 4,5,6,7-tetrahydrothieno[2,3-c]pyridine-2-carboxylate (CAS 1396762-11-0)
- 4-Bromo-2-chloro-6-methylphenyl isocyanate (CAS 77159-77-4)
- n-[(1-aminocyclohexyl)methyl]-4-methylbenzene-1-sulfonamide hydrochloride (CAS 1423032-54-5)
- (Tyr?)-C-Peptide (human) (CAS 57327-90-9)
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