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Merck
CN

C3909

D-Cycloserine

synthetic

Synonym(s):

(R)-4-Amino-3-isoxazolidone, 4-Amino-3-isoxazolidinone

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About This Item

Empirical Formula (Hill Notation):
C3H6N2O2
CAS Number:
68-41-7
Molecular Weight:
102.09
UNSPSC Code:
12352209
NACRES:
NA.28
PubChem Substance ID:
24277962
EC Number:
200-688-4
Beilstein/REAXYS Number:
80798
MDL number:
MFCD00005353

Key Documents

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InChI key

DYDCUQKUCUHJBH-UWTATZPHSA-N

InChI

1S/C3H6N2O2/c4-2-1-7-5-3(2)6/h2H,1,4H2,(H,5,6)/t2-/m1/s1

SMILES string

N[C@@H]1CONC1=O

biological source

synthetic

form

powder

mp

147 °C (dec.) (lit.)

solubility

water: 50 mg/mL, clear, colorless to light yellow

antibiotic activity spectrum

Gram-negative bacteria, Gram-positive bacteria, mycobacteria

mode of action

cell wall synthesis | interferes

storage temp.

−20°C

Quality Level

200

Gene Information

human ... GRIN1(2902), GRIN2A(2903), GRIN2B(2904), GRIN2C(2905), GRIN2D(2906), GRINA(2907)

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Application

D-cycloserine has been used to inhibit serine hydroxymethyltransferase.

Biochem/physiol Actions

Mode of Action: Inhibits cell wall biosynthesis (D-Ala peptide bond formation). Also prevents conversion of D-Ala to L-Ala. Bacteriostatic.
Partial agonist at the glycine modulatory site of NMDA glutamatergic receptors; antibiotic against Gram-negative bacteria.
Mode of Resistance: D-Ala transport interference.

General description

Chemical structure: amino acid derivatives

Other Notes

Keep container tightly closed in a dry and well-ventilated place.Keep in a dry place.

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
0000504162
0000504162
0000500600
0000500607
0000500607

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L-serine treatment may improve neurorestoration of rats after permanent focal cerebral ischemia potentially through improvement of neurorepair
Sun L, et al.
PLoS ONE, 9(3), e93405-e93405 (2014)
Michael Davis et al.
Biological psychiatry, 60(4), 369-375 (2006-08-22)
Administration of benzodiazepines or serotonin reuptake inhibitors in combination with behavior therapy for the treatment of many anxiety disorders has generally lead to only modest gains. In this article we suggest that pharmacotherapy aimed not at treating the symptoms of
Bram Vervliet
Acta psychologica, 127(3), 601-613 (2007-08-21)
This review addresses the effects of the cognitive enhancer D-cycloserine (DCS) on the memory processes that occur in conditioned fear extinction, which is the experimental model for exposure techniques to reduce clinical anxiety. All reported rat studies show an enhanced
Kathryn D Baker et al.
Learning & memory (Cold Spring Harbor, N.Y.), 19(10), 461-469 (2012-09-18)
The NMDA receptor partial agonist d-cycloserine (DCS) enhances the extinction of learned fear in rats and exposure therapy in humans with anxiety disorders. Despite these benefits, little is known about the mechanisms by which DCS promotes the loss of fear.
Karyn M Myers et al.
Biological psychiatry, 71(11), 947-955 (2012-05-15)
D-cycloserine (DCS) is an N-methyl-D-aspartate (NMDA) receptor partial agonist that facilitates extinction of conditioned fear in animals and cue exposure therapy (CET) for fear and anxiety disorders in people. Recent preclinical and clinical studies have examined the effect of DCS
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