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Y0000479

Chlorpromazine impurity D

European Pharmacopoeia (EP) Reference Standard

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Synonym(s):
Desmethylchlorpromazine, 3-(2-Chloro-10H-phenothiazin-10-yl)-N-methylpropan-1-amine
Empirical Formula (Hill Notation):
C16H17ClN2S
CAS Number:
Molecular Weight:
304.84
UNSPSC Code:
41116107
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

chlorpromazine

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

InChI

1S/C16H17ClN2S/c1-18-9-4-10-19-13-5-2-3-6-15(13)20-16-8-7-12(17)11-14(16)19/h2-3,5-8,11,18H,4,9-10H2,1H3

InChI key

YHFXGBOUSIKGMZ-UHFFFAOYSA-N

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Chlorpromazine impurity D EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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M Chetty et al.
Therapeutic drug monitoring, 13(4), 350-355 (1991-07-01)
The concentrations of chlorpromazine (CPZ) and six of its metabolites in patient plasma samples that had been stored for 24 h at -20 degrees C, for 1 week at -20 degrees C, and for 4 weeks at -70 degrees C
G Alfredsson et al.
Acta psychiatrica Scandinavica. Supplementum, 311, 49-74 (1984-01-01)
Schizophrenic patients were treated with fixed doses of sulpiride (800 mg) or chlorpromazine (400 mg) during eight weeks using a double-blind design. In order to examine relationships between pharmacokinetic, clinical and biochemical parameters in relation to treatment the following variables
R C Young
Therapeutic drug monitoring, 8(1), 23-26 (1986-01-01)
Plasma nor1-chlorpromazine (nor1-CPZ) and chlorpromazine concentrations were measured by gas chromatography--mass fragmentometry in 15 inpatients receiving stable doses of chlorpromazine. Nor1-CPZ concentrations averaged 20% of chlorpromazine concentrations and were highly correlated with them. Relative concentrations of nor1-CPZ increased with age.
D L Newton et al.
Biochemistry, 28(9), 3750-3757 (1989-05-02)
In the presence of Ca2+ norchlorpromazine isothiocyanate forms a monocovalent complex with calmodulin: CAPP1-calmodulin (Newton et al, 1983). Trypsin digestion of [3H]CAPP1-calmodulin yields as the major radioactive peptide N epsilon-CAPP-Lys-Met-Lys, corresponding to residues 75-77 of calmodulin. Stoichiometric amounts of all
J L Borowitz et al.
Research communications in chemical pathology and pharmacology, 48(2), 305-308 (1985-05-01)
Although no differences in membrane stabilization by calcium were noted between leukemic (P-388) and normal murine leukocytes, tumor cells were shown to be more resistant to damage by ethanol but not by desmethylchlorpromazine. Furthermore, verapamil protected tumor cells but not

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