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Key Documents

PHR1177

Supelco

N-Acetyl-L-tryptophan

Pharmaceutical Secondary Standard; Certified Reference Material

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About This Item

Empirical Formula (Hill Notation):
C13H14N2O3
CAS Number:
Molecular Weight:
246.26
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

certified reference material
pharmaceutical secondary standard

Quality Level

Agency

traceable to Ph. Eur. A0208000
traceable to USP 1700523

API family

tryptophan

CofA

current certificate can be downloaded

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

CC(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(O)=O

InChI

1S/C13H14N2O3/c1-8(16)15-12(13(17)18)6-9-7-14-11-5-3-2-4-10(9)11/h2-5,7,12,14H,6H2,1H3,(H,15,16)(H,17,18)/t12-/m0/s1

InChI key

DZTHIGRZJZPRDV-LBPRGKRZSA-N

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General description

N-Acetyl-L-tryptophan is a substance-P receptor antagonist, which is proposed as a potential therapeutic option against neurokinin substance P utilized for the treatment of neuroinflammation during the pathophysiology of Alzheimer′s disease.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Application

These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Analysis Note

These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
Values of analytes vary lot to lot.

Footnote

To see an example of a Certificate of Analysis for this material enter LRAA7146 in the slot below. This is an example certificate only and may not be the lot that you receive.

Recommended products

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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N-acetyl-L-tryptophan, a substance-P receptor antagonist attenuates aluminum-induced spatial memory deficit in rats
Fernandes J, et al.
Toxicology Mechanisms and Methods, 28(5), 328-334 (2018)
James J Donkin et al.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 29(8), 1388-1398 (2009-05-14)
Brain edema and swelling is a critical factor in the high mortality and morbidity associated with traumatic brain injury (TBI). Despite this, the mechanisms associated with its development are poorly understood and interventions have not changed in over 30 years.
Liqiong Fang et al.
Journal of chromatography. A, 1218(41), 7316-7324 (2011-09-10)
N-acetyltryptophan (NAT) has long been used as a stabilizer in some protein solutions, such as human serum albumin, to prevent oxidative protein degradation. However, the fate of NAT has not been discussed in literature. Two NAT degradation products have been
Ya-Ting Kao et al.
The journal of physical chemistry. B, 116(30), 9130-9140 (2012-06-28)
We report here our systematic characterization of a photoinduced electron-transfer (ET) redox cycle in a covalently linked donor-spacer-acceptor flexible system, consisting of N-acetyl-tryptophan methylester as an electron donor and thymine as an electron acceptor in three distinct solvents of water
P A Reine et al.
Acta anaesthesiologica Scandinavica, 54(4), 430-434 (2009-11-03)
In vitro and in vivo studies have indicated that stabilizers present in pharmaceutical-grade albumin influence the albumin-binding capacity for highly protein-bound drugs. However, the half-life of the stabilizers and the quantitative effect have been difficult to determine. A randomized crossover

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