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Merck
CN

PHR1177

N-乙酰基-L-色氨酸

Pharmaceutical Secondary Standard; Certified Reference Material

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关于此项目

经验公式(希尔记法):
C13H14N2O3
化学文摘社编号:
分子量:
246.26
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
41116107
MDL number:
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产品名称

N-乙酰基-L-色氨酸, Pharmaceutical Secondary Standard; Certified Reference Material

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

SMILES string

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

InChI key

DZTHIGRZJZPRDV-LBPRGKRZSA-N

grade

certified reference material
pharmaceutical secondary standard

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

Quality Level

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Analysis Note

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

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.

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.

Other Notes

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.
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.
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.
Values of analytes vary lot to lot.

存储类别

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


分析证书(COA)

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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)
Renée J Turner et al.
Brain research, 1393, 84-90 (2011-04-07)
Previous studies have suggested that substance P (SP) plays a critical role in the development of brain oedema and functional deficits following traumatic brain injury and that SP receptor antagonism may improve outcome. No studies have described such a role
M Lehnig et al.
Free radical research, 41(5), 523-535 (2007-04-25)
Tryptophan and melatonin are nitrated by peroxynitrite; tryptophan residues in proteins are susceptible to attack by reactive nitrogen species. Nitrated tryptophan might therefore be used as a biomarker for the involvement of reactive species derived from nitrogen oxide in a
Kate M Lewis et al.
Anti-cancer drugs, 24(4), 344-354 (2013-02-15)
Emend, an NK1 antagonist, and dexamethasone are used to treat complications associated with metastatic brain tumours and their treatment. It has been suggested that these agents exert anticancer effects apart from their current use. The effects of the NK1 antagonists
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

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