Diethyl bis(4-dichlorobenzyl)malonate CAS 7012-60-4
| CAS No. | 7012-60-4 |
| Molecular Formula | C21H22Cl2O4 |
| Molecular Weight | 409.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Diethyl bis(4-dichlorobenzyl)malonate.
Diethyl bis(4-dichlorobenzyl)malonate (CAS 7012-60-4) is a high-purity analytical reference standard with the molecular formula C21H22Cl2O4 and a molecular weight of 409.30 g/mol.
Structurally, Diethyl bis(4-dichlorobenzyl)malonate (C21H22Cl2O4) contains a flavonoid core, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 409.30 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.
As a certified reference material (CRM), Diethyl bis(4-dichlorobenzyl)malonate 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 | C21H22Cl2O4 |
| Molecular Weight | 409.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Cl-containing |
Related Diethyl Standards
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Recommended Standards
- 1,1-Bis(4-chlorophenyl)-2-(4-fluorobenzenesulfinyl)ethan-1-ol (CAS 303152-27-4)
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- 1-(4-Bromobenzenesulfonyl)-N-phenylpyrrolidine-2-carboxamide (CAS 317377-72-3)
- N-(2-(Benzo[d]thiazol-2-yl)phenyl)-3-bromobenzamide (CAS 477569-51-0)
- beta-Zearalanol (CAS 42422-68-4)
- 2-(Naphthalen-2-yl)-6-phenylpyrimidin-4(1H)-one (CAS 651720-51-3)
- 4-Chloro-2-isobutyl-6,7-dihydro-5h-cyclopenta[4,5]thieno[2,3-d]pyrimidine (CAS 1041602-25-8)
- 6-Methyl-N-propylthieno[2,3-d]pyrimidin-4-amine (CAS 63894-13-3)
- 6543-83-5 1,2,3,4-Tetrahydro-1-methyl-beta-carboline-1-carboxylic acid 2,3,4,9-Tetrahydro-1-methyl-1H-pyrido(3,4-b)indole-1-carboxylic acid EINECS 229-459-7 NSC 115069 (CAS 6543-83-5)
- 5-Bromo-4,6-dimethoxypyrimidine (CAS 4319-77-1)
- tert-Butyl 3-(7-(2-(cyclopropylmethoxy)-6-((4-methoxybenzyl)oxy)phenyl)-2-oxo-2,4-dihydro-1H-pyrido[2,3-d][1,3]oxazin-5-yl)piperidine-1-carboxylate (CAS 406213-01-2)
- Phenazine 5,10-dioxide (CAS 303-83-3)
- 2,4-Diamino-6-methylpyrimidin-5-yl methyl succinate (CAS 62812-20-8)
- Peptide 438 (CAS CATO-CPTD788438)
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