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Merck
CN

130710

Sigma-Aldrich

4-Chloro-DL-phenylalanine

99%

Synonym(s):

PCP, PCPA

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About This Item

Linear Formula:
ClC6H4CH2CH(NH2)CO2H
CAS Number:
Molecular Weight:
199.63
EC Number:
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
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Assay

99%

mp

>240 °C (dec.) (lit.)

SMILES string

NC(Cc1ccc(Cl)cc1)C(O)=O

InChI

1S/C9H10ClNO2/c10-7-3-1-6(2-4-7)5-8(11)9(12)13/h1-4,8H,5,11H2,(H,12,13)

InChI key

NIGWMJHCCYYCSF-UHFFFAOYSA-N

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Biochem/physiol Actions

Tryptophan hydroxylase inhibitor.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 3 Oral - Skin Sens. 1

Storage Class Code

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Matilda Bäckberg et al.
Clinical toxicology (Philadelphia, Pa.), 53(9), 856-864 (2015-08-22)
3-Methoxy-phencyclidine (3-MeO-PCP) and 4-methoxy-phencyclidine (4-MeO-PCP) are analogs of and drug substitutes for the dissociative substance PCP ("Angel dust"), a recreational drug that was most popular in the 1970s. In Sweden, use of methoxylated PCP analogs was noted starting in mid-2013
E Manová et al.
The British journal of dermatology, 171(6), 1368-1374 (2014-08-27)
Octocrylene (OCT) is an ultraviolet (UV) filter used in personal care products (PCPs) to prevent sun-related skin damage. OCT is photostable and has the ability to photostabilize other UV filters, which has recently led to its increased use in PCPs.
Silvina L Diaz et al.
The European journal of neuroscience, 38(5), 2650-2658 (2013-07-12)
Increased adult neurogenesis is a major neurobiological correlate of the beneficial effects of antidepressants. Indeed, selective serotonin (5-HT) re-uptake inhibitors, which increase 5-HT transmission, enhance adult neurogenesis in the dentate gyrus (DG) of the hippocampus. However, the consequences of 5-HT
Mark J Airhart et al.
Neurotoxicology and teratology, 34(1), 152-160 (2011-09-07)
In this study, p-chlorophenylalanine (pCPA), an inhibitor of tryptophan hydroxylase (the rate limiting enzyme of serotonin synthesis), was used to reduce serotonin (5HT) levels during early development in zebrafish embryos. One day old dechorionated embryos were treated with 25 μM
Alicia Izquierdo et al.
Behavioural brain research, 233(2), 494-499 (2012-06-02)
Aside from the well-known influence of serotonin (5-hydroxytryptamine, 5-HT) on emotional regulation, more recent investigations have revealed the importance of this monoamine in modulating cognition. Parachlorophenylalanine (PCPA) depletes 5-HT by inhibiting tryptophan hydroxylase, the enzyme required for 5-HT synthesis and

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